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A curated list of awesome Java frameworks, libraries and software.
https://github.com/uhub/awesome-java

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A curated list of awesome Java frameworks, libraries and software.

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# awesome-java



A curated list of awesome Java frameworks, libraries and software.



* [Snailclimb/JavaGuide](https://github.com/Snailclimb/JavaGuide) - 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！

* [spring-projects/spring-boot](https://github.com/spring-projects/spring-boot) - Spring Boot

* [skylot/jadx](https://github.com/skylot/jadx) - Dex to Java decompiler

* [greenrobot/EventBus](https://github.com/greenrobot/EventBus) - Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

* [redisson/redisson](https://github.com/redisson/redisson) - Redisson - Easy Valkey/Redis Java client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring Cache, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache ...

* [alibaba/Sentinel](https://github.com/alibaba/Sentinel) - A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)

* [google/ExoPlayer](https://github.com/google/ExoPlayer) - An extensible media player for Android

* [Anuken/Mindustry](https://github.com/Anuken/Mindustry) - The automation tower defense RTS

* [apache/rocketmq](https://github.com/apache/rocketmq) - Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

* [oracle/graal](https://github.com/oracle/graal) - GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

* [brettwooldridge/HikariCP](https://github.com/brettwooldridge/HikariCP) - 光 HikariCP・A solid, high-performance, JDBC connection pool at last.

* [mybatis/mybatis-3](https://github.com/mybatis/mybatis-3) - MyBatis SQL mapper framework for Java

* [dianping/cat](https://github.com/dianping/cat) - CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

* [LMAX-Exchange/disruptor](https://github.com/LMAX-Exchange/disruptor) - High Performance Inter-Thread Messaging Library

* [winterbe/java8-tutorial](https://github.com/winterbe/java8-tutorial) - Modern Java - A Guide to Java 8

* [yuliskov/SmartTube](https://github.com/yuliskov/SmartTube) - SmartTube - an advanced player for set-top boxes and tvs running Android OS

* [antlr/antlr4](https://github.com/antlr/antlr4) - ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

* [infinilabs/analysis-ik](https://github.com/infinilabs/analysis-ik) - 🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.

* [Grasscutters/Grasscutter](https://github.com/Grasscutters/Grasscutter) - A server software reimplementation for a certain anime game.

* [dromara/Sa-Token](https://github.com/dromara/Sa-Token) - 一个轻量级 Java 权限认证框架，让鉴权变得简单、优雅！—— 登录认证、权限认证、分布式Session会话、微服务网关鉴权、单点登录、OAuth2.0

* [prestodb/presto](https://github.com/prestodb/presto) - The official home of the Presto distributed SQL query engine for big data

* [kunal-kushwaha/DSA-Bootcamp-Java](https://github.com/kunal-kushwaha/DSA-Bootcamp-Java) - This repository consists of the code samples, assignments, and notes for the Java data structures & algorithms + interview preparation bootcamp of WeMakeDevs.

* [android10/Android-CleanArchitecture](https://github.com/android10/Android-CleanArchitecture) - This is a sample app that is part of a series of blog posts I have written about how to architect an android application using Uncle Bob's clean architecture approach.

* [ben-manes/caffeine](https://github.com/ben-manes/caffeine) - A high performance caching library for Java

* [mockito/mockito](https://github.com/mockito/mockito) - Most popular Mocking framework for unit tests written in Java

* [Konloch/bytecode-viewer](https://github.com/Konloch/bytecode-viewer) - A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

* [eclipse-vertx/vert.x](https://github.com/eclipse-vertx/vert.x) - Vert.x is a tool-kit for building reactive applications on the JVM

* [elastic/logstash](https://github.com/elastic/logstash) - Logstash - transport and process your logs, events, or other data

* [questdb/questdb](https://github.com/questdb/questdb) - An open source time-series database for fast ingest and SQL queries

* [orhanobut/logger](https://github.com/orhanobut/logger) - ✔️ Simple, pretty and powerful logger for android

* [gyoogle/tech-interview-for-developer](https://github.com/gyoogle/tech-interview-for-developer) - 👶🏻 신입 개발자 전공 지식 & 기술 면접 백과사전 📖

* [java-decompiler/jd-gui](https://github.com/java-decompiler/jd-gui) - A standalone Java Decompiler GUI

* [deeplearning4j/deeplearning4j](https://github.com/deeplearning4j/deeplearning4j) - Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running math code and a java based math library on top of the core c++ library. Also includes samediff: a pytorch/tensorflow like library for running deep learning using automatic differentiation.

* [tink-crypto/tink](https://github.com/tink-crypto/tink) - Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

* [GoogleContainerTools/jib](https://github.com/GoogleContainerTools/jib) - 🏗 Build container images for your Java applications.

* [quarkusio/quarkus](https://github.com/quarkusio/quarkus) - Quarkus: Supersonic Subatomic Java.

* [Netflix/conductor](https://github.com/Netflix/conductor) - Conductor is a microservices orchestration engine.

* [projectlombok/lombok](https://github.com/projectlombok/lombok) - Very spicy additions to the Java programming language.

* [DuGuQiuBai/Java](https://github.com/DuGuQiuBai/Java) - 27天成为Java大神

* [google/guice](https://github.com/google/guice) - Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

* [codecentric/spring-boot-admin](https://github.com/codecentric/spring-boot-admin) - Admin UI for administration of spring boot applications

* [itwanger/toBeBetterJavaer](https://github.com/itwanger/toBeBetterJavaer) - 一份通俗易懂、风趣幽默的Java学习指南，内容涵盖Java基础、Java并发编程、Java虚拟机、Java企业级开发、Java面试等核心知识点。学Java，就认准二哥的Java进阶之路😄

* [supertokens/supertokens-core](https://github.com/supertokens/supertokens-core) - Open source alternative to Auth0 / Firebase Auth / AWS Cognito

* [apache/zookeeper](https://github.com/apache/zookeeper) - Apache ZooKeeper

* [pxb1988/dex2jar](https://github.com/pxb1988/dex2jar) - Tools to work with android .dex and java .class files

* [Yalantis/uCrop](https://github.com/Yalantis/uCrop) - Image Cropping Library for Android

* [redis/jedis](https://github.com/redis/jedis) - Redis Java client

* [xiaojieonly/Ehviewer_CN_SXJ](https://github.com/xiaojieonly/Ehviewer_CN_SXJ) - ehviewer，用爱发电，快乐前行

* [frank-lam/fullstack-tutorial](https://github.com/frank-lam/fullstack-tutorial) - 🚀 fullstack tutorial 2022，后台技术栈/架构师之路/全栈开发社区，春招/秋招/校招/面试

* [realm/realm-java](https://github.com/realm/realm-java) - Realm is a mobile database: a replacement for SQLite & ORMs

* [macrozheng/mall-swarm](https://github.com/macrozheng/mall-swarm) - mall-swarm是一套微服务商城系统，采用了 Spring Cloud 2021 & Alibaba、Spring Boot 2.7、Oauth2、MyBatis、Docker、Elasticsearch、Kubernetes等核心技术，同时提供了基于Vue的管理后台方便快速搭建系统。mall-swarm在电商业务的基础集成了注册中心、配置中心、监控中心、网关等系统功能。文档齐全，附带全套Spring Cloud教程。

* [code4craft/webmagic](https://github.com/code4craft/webmagic) - A scalable web crawler framework for Java.

* [permissions-dispatcher/PermissionsDispatcher](https://github.com/permissions-dispatcher/PermissionsDispatcher) - A declarative API to handle Android runtime permissions.

* [grpc/grpc-java](https://github.com/grpc/grpc-java) - The Java gRPC implementation. HTTP/2 based RPC

* [conductor-oss/conductor](https://github.com/conductor-oss/conductor) - Conductor is an event driven orchestration platform

* [careercup/CtCI-6th-Edition](https://github.com/careercup/CtCI-6th-Edition) - Cracking the Coding Interview 6th Ed. Solutions

* [androidannotations/androidannotations](https://github.com/androidannotations/androidannotations) - Fast Android Development. Easy maintainance.

* [newbee-ltd/newbee-mall](https://github.com/newbee-ltd/newbee-mall) - 🔥 🎉newbee-mall是一套电商系统，包括基础版本(Spring Boot+Thymeleaf)、前后端分离版本(Spring Boot+Vue 3+Element-Plus+Vue-Router 4+Pinia+Vant 4) 、秒杀版本、Go语言版本、微服务版本(Spring Cloud Alibaba+Nacos+Sentinel+Seata+Spring Cloud Gateway+OpenFeign+ELK)。 前台商城系统包含首页门户、商品分类、新品上线、首页轮播、商品推荐、商品搜索、商品展示、购物车、订单结算、订单流程、个人订单管理、会员中心、帮助中心等模块。 后台管理系统包含数据面板、轮播图管理、商品管理、订单管理、会员管理、分类管理、设置等模块。

* [cryptomator/cryptomator](https://github.com/cryptomator/cryptomator) - Multi-platform transparent client-side encryption of your files in the cloud

* [jhy/jsoup](https://github.com/jhy/jsoup) - jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

* [square/javapoet](https://github.com/square/javapoet) - A Java API for generating .java source files.

* [apereo/cas](https://github.com/apereo/cas) - Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

* [android-async-http/android-async-http](https://github.com/android-async-http/android-async-http) - An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries.

* [OpenRefine/OpenRefine](https://github.com/OpenRefine/OpenRefine) - OpenRefine is a free, open source power tool for working with messy data and improving it

* [google/auto](https://github.com/google/auto) - A collection of source code generators for Java.

* [TooTallNate/Java-WebSocket](https://github.com/TooTallNate/Java-WebSocket) - A barebones WebSocket client and server implementation written in 100% Java.

* [doocs/jvm](https://github.com/doocs/jvm) - 🤗 JVM 底层原理最全知识总结

* [kekingcn/kkFileView](https://github.com/kekingcn/kkFileView) - Universal File Online Preview Project based on Spring-Boot

* [Activiti/Activiti](https://github.com/Activiti/Activiti) - Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.

* [jwtk/jjwt](https://github.com/jwtk/jjwt) - Java JWT: JSON Web Token for Java and Android

* [wasabeef/glide-transformations](https://github.com/wasabeef/glide-transformations) - An Android transformation library providing a variety of image transformations for Glide.

* [plantuml/plantuml](https://github.com/plantuml/plantuml) - Generate diagrams from textual description

* [trinodb/trino](https://github.com/trinodb/trino) - Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

* [apple/pkl](https://github.com/apple/pkl) - A configuration as code language with rich validation and tooling.

* [uknownothingsnow/JsBridge](https://github.com/uknownothingsnow/JsBridge) - android java and javascript bridge, inspired by wechat webview jsbridge

* [perwendel/spark](https://github.com/perwendel/spark) - A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

* [lihengming/spring-boot-api-project-seed](https://github.com/lihengming/spring-boot-api-project-seed) - :seedling::rocket:一个基于Spring Boot & MyBatis的种子项目，用于快速构建中小型API、RESTful API项目~

* [stanfordnlp/CoreNLP](https://github.com/stanfordnlp/CoreNLP) - CoreNLP: A Java suite of core NLP tools for tokenization, sentence segmentation, NER, parsing, coreference, sentiment analysis, etc.

* [OpenFeign/feign](https://github.com/OpenFeign/feign) - Feign makes writing java http clients easier

* [awsdocs/aws-doc-sdk-examples](https://github.com/awsdocs/aws-doc-sdk-examples) - Welcome to the AWS Code Examples Repository.  This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.

* [PaperMC/Paper](https://github.com/PaperMC/Paper) - The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies

* [cats-oss/android-gpuimage](https://github.com/cats-oss/android-gpuimage) - Android filters based on OpenGL (idea from GPUImage for iOS)

* [opensearch-project/OpenSearch](https://github.com/opensearch-project/OpenSearch) - 🔎 Open source distributed and RESTful search engine.

* [json-path/JsonPath](https://github.com/json-path/JsonPath) - Java JsonPath implementation

* [LawnchairLauncher/lawnchair](https://github.com/LawnchairLauncher/lawnchair) - No clever tagline needed.

* [Blankj/awesome-java-leetcode](https://github.com/Blankj/awesome-java-leetcode) - :crown: LeetCode of algorithms with java solution(updating).

* [Team-xManager/xManager](https://github.com/Team-xManager/xManager) - Ad-Free, New Features & Freedom

* [sohutv/cachecloud](https://github.com/sohutv/cachecloud) - 搜狐视频(sohu tv)Redis私有云平台 ：支持Redis多种架构(Standalone、Sentinel、Cluster)高效管理、有效降低大规模redis运维成本，提升资源管控能力和利用率。平台提供快速搭建/迁移，运维管理，弹性伸缩，统计监控，客户端整合接入等功能。(CacheCloud is a Redis cloud management platform. It supports Standalone, Sentinel, and Cluster architectures for Redis, effectively reducing large-scale Redis operation and maintenance costs, and improving resource management and utilization. The platform provides rapid construction/migration, operation and maintenance management, elastic scaling, statistical monitoring, client integration and access and other functions)

* [junit-team/junit4](https://github.com/junit-team/junit4) - A programmer-oriented testing framework for Java.

* [spring-projects/spring-security](https://github.com/spring-projects/spring-security) - Spring Security

* [dropwizard/dropwizard](https://github.com/dropwizard/dropwizard) - A damn simple library for building production-ready RESTful web services.

* [roughike/BottomBar](https://github.com/roughike/BottomBar) - (Deprecated) A custom view component that mimics the new Material Design Bottom Navigation pattern.

* [apache/shenyu](https://github.com/apache/shenyu) - Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.

* [java-native-access/jna](https://github.com/java-native-access/jna) - Java Native Access

* [hs-web/hsweb-framework](https://github.com/hs-web/hsweb-framework) - hsweb (haʊs wɛb) 是一个基于spring-boot 2.x开发 ,首个使用全响应式编程的企业级后台管理系统基础项目。

* [checkstyle/checkstyle](https://github.com/checkstyle/checkstyle) - Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.

* [florent37/MaterialViewPager](https://github.com/florent37/MaterialViewPager) - A Material Design ViewPager easy to use library

* [apache/jmeter](https://github.com/apache/jmeter) - Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services

* [flyway/flyway](https://github.com/flyway/flyway) - Flyway by Redgate • Database Migrations Made Easy.

* [testcontainers/testcontainers-java](https://github.com/testcontainers/testcontainers-java) - Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

* [dropwizard/metrics](https://github.com/dropwizard/metrics) - :chart_with_upwards_trend: Capturing JVM- and application-level metrics. So you know what's going on.

* [vipshop/vjtools](https://github.com/vipshop/vjtools) - The vip.com's java coding standard, libraries and tools

* [apache/beam](https://github.com/apache/beam) - Apache Beam is a unified programming model for Batch and Streaming data processing.

* [kaushikgopal/RxJava-Android-Samples](https://github.com/kaushikgopal/RxJava-Android-Samples) - Learning RxJava for Android by example

* [flowable/flowable-engine](https://github.com/flowable/flowable-engine) - A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

* [google/android-classyshark](https://github.com/google/android-classyshark) - Android and Java bytecode viewer

* [frohoff/ysoserial](https://github.com/frohoff/ysoserial) - A proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.

* [swagger-api/swagger-core](https://github.com/swagger-api/swagger-core) - Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

* [bytedeco/javacv](https://github.com/bytedeco/javacv) - Java interface to OpenCV, FFmpeg, and more

* [apache/tomcat](https://github.com/apache/tomcat) - Apache Tomcat

* [square/dagger](https://github.com/square/dagger) - A fast dependency injector for Android and Java.

* [alibaba/transmittable-thread-local](https://github.com/alibaba/transmittable-thread-local) - 📌 a missing Java std lib(simple & 0-dependency) for framework/middleware, provide an enhanced InheritableThreadLocal that transmits values between threads even using thread pooling components.

* [Bearded-Hen/Android-Bootstrap](https://github.com/Bearded-Hen/Android-Bootstrap) - Bootstrap style widgets for Android, with Glyph Icons

* [cymcsg/UltimateRecyclerView](https://github.com/cymcsg/UltimateRecyclerView) - A RecyclerView(advanced and flexible version of ListView in Android) with refreshing,loading more,animation and many other features.

* [microg/GmsCore](https://github.com/microg/GmsCore) - Free implementation of Play Services

* [real-logic/aeron](https://github.com/real-logic/aeron) - Efficient reliable UDP unicast, UDP multicast, and IPC message transport

* [NanoHttpd/nanohttpd](https://github.com/NanoHttpd/nanohttpd) - Tiny, easily embeddable HTTP server in Java.

* [rest-assured/rest-assured](https://github.com/rest-assured/rest-assured) - Java DSL for easy testing of REST services

* [MinecraftForge/MinecraftForge](https://github.com/MinecraftForge/MinecraftForge) - Modifications to the Minecraft base files to assist in compatibility between mods. New Discord: https://discord.minecraftforge.net/

* [h2pl/JavaTutorial](https://github.com/h2pl/JavaTutorial) - 【Java工程师面试复习指南】本仓库涵盖大部分Java程序员所需要掌握的核心知识，整合了互联网上的很多优质Java技术文章，力求打造为最完整最实用的Java开发者学习指南，如果对你有帮助，给个star告诉我吧，谢谢！

* [PowerJob/PowerJob](https://github.com/PowerJob/PowerJob) - Enterprise job scheduling middleware with distributed computing ability.

* [processing/processing](https://github.com/processing/processing) - Source code for the Processing Core and Development Environment (PDE)

* [fuzhengwei/itstack-demo-design](https://github.com/fuzhengwei/itstack-demo-design) - :art: 《重学Java设计模式》是一本互联网真实案例实践书籍。以落地解决方案为核心，从实际业务中抽离出，交易、营销、秒杀、中间件、源码等22个真实场景，来学习设计模式的运用。欢迎关注小傅哥，微信(fustack)，公众号：bugstack虫洞栈，博客：https://bugstack.cn

* [macrozheng/springcloud-learning](https://github.com/macrozheng/springcloud-learning) - 一套涵盖大部分核心组件使用的Spring Cloud教程，包括Spring Cloud Alibaba及分布式事务Seata，基于Spring Cloud Greenwich及SpringBoot 2.1.7。篇篇精华，涵盖大部分应用场景。

* [liyifeng1994/ssm](https://github.com/liyifeng1994/ssm) - 手把手教你整合最优雅SSM框架：SpringMVC + Spring + MyBatis

* [PojavLauncherTeam/PojavLauncher](https://github.com/PojavLauncherTeam/PojavLauncher) - A Minecraft: Java Edition Launcher for Android and iOS based on Boardwalk. This repository contains source code for Android platform.

* [robolectric/robolectric](https://github.com/robolectric/robolectric) - Android Unit Testing Framework

* [jeecgboot/JimuReport](https://github.com/jeecgboot/JimuReport) - 🔥「数据可视化报表工具」类似excel操作风格，在线拖拽完成报表设计！功能涵盖: 报表设计、图形报表、打印设计、大屏设计等，完全免费！秉承“简单、易用、专业”的产品理念，极大的降低报表开发难度、缩短开发周期、解决各类报表难题。

* [JakeWharton/DiskLruCache](https://github.com/JakeWharton/DiskLruCache) - Java implementation of a Disk-based LRU cache which specifically targets Android compatibility.

* [hibernate/hibernate-orm](https://github.com/hibernate/hibernate-orm) - Hibernate's core Object/Relational Mapping functionality

* [Vedenin/useful-java-links](https://github.com/Vedenin/useful-java-links) - A list of useful Java frameworks, libraries, software and hello worlds examples

* [changmingxie/tcc-transaction](https://github.com/changmingxie/tcc-transaction) - tcc-transaction是TCC型事务java实现

* [btraceio/btrace](https://github.com/btraceio/btrace) - BTrace - a safe, dynamic tracing tool for the Java platform

* [gz-yami/mall4cloud](https://github.com/gz-yami/mall4cloud) - ⭐️⭐️⭐️微服务商城系统 springcloud微服务商城 小程序商城

* [auth0/java-jwt](https://github.com/auth0/java-jwt) - Java implementation of JSON Web Token (JWT)

* [apache/incubator-kie-drools](https://github.com/apache/incubator-kie-drools) - Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java.

* [gephi/gephi](https://github.com/gephi/gephi) - Gephi - The Open Graph Viz Platform

* [Col-E/Recaf](https://github.com/Col-E/Recaf) - The modern Java bytecode editor

* [vavr-io/vavr](https://github.com/vavr-io/vavr) - vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

* [ffay/lanproxy](https://github.com/ffay/lanproxy) - lanproxy是一个将局域网个人电脑、服务器代理到公网的内网穿透工具，支持tcp流量转发，可支持任何tcp上层协议（访问内网网站、本地支付接口调试、ssh访问、远程桌面、http代理、https代理、socks5代理...）。技术交流QQ群 736294209

* [wasabeef/Blurry](https://github.com/wasabeef/Blurry) - Blurry is an easy blur library for Android

* [AriaLyy/Aria](https://github.com/AriaLyy/Aria) - 下载可以很简单

* [sockeqwe/mosby](https://github.com/sockeqwe/mosby) - A Model-View-Presenter / Model-View-Intent library for modern Android apps

* [xuchengsheng/spring-reading](https://github.com/xuchengsheng/spring-reading) - 涵盖了 Spring 框架的核心概念和关键功能，包括控制反转（IOC）容器的使用，面向切面编程（AOP）的原理与实践，事务管理的方式与实现，Spring MVC 的流程与控制器工作机制，以及 Spring 中数据访问、安全、Boot 自动配置等方面的深入研究。此外，它还包含了 Spring 事件机制的应用、高级主题如缓存抽象和响应式编程，以及对 Spring 源码的编程风格与设计模式的深入探讨。

* [google/google-java-format](https://github.com/google/google-java-format) - Reformats Java source code to comply with Google Java Style.

* [facebookarchive/rebound](https://github.com/facebookarchive/rebound) - A Java library that models spring dynamics and adds real world physics to your app.

* [scribejava/scribejava](https://github.com/scribejava/scribejava) - Simple OAuth library for Java

* [vespa-engine/vespa](https://github.com/vespa-engine/vespa) - AI + Data, online. https://vespa.ai

* [CoderLeixiaoshuai/java-eight-part](https://github.com/CoderLeixiaoshuai/java-eight-part) - 『Java八股文』Java面试套路，Java进阶学习，打破内卷拿大厂Offer，升职加薪！

* [dromara/lamp-cloud](https://github.com/dromara/lamp-cloud) - lamp-cloud 基于Jdk11 + SpringCloud + SpringBoot 开发的微服务中后台快速开发平台，专注于多租户(SaaS架构)解决方案，亦可作为普通项目（非SaaS架构）的基础开发框架使用，目前已实现插拔式数据库隔离、SCHEMA隔离、字段隔离 等租户隔离方案。

* [apache/hive](https://github.com/apache/hive) - Apache Hive

* [apache/camel](https://github.com/apache/camel) - Apache Camel is an open source integration framework that empowers you to quickly and easily integrate various systems consuming or producing data.

* [gunnarmorling/1brc](https://github.com/gunnarmorling/1brc) - 1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java

* [evant/gradle-retrolambda](https://github.com/evant/gradle-retrolambda) - A gradle plugin for getting java lambda support in java 6, 7 and android

* [redis/lettuce](https://github.com/redis/lettuce) - Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.

* [socketio/socket.io-client-java](https://github.com/socketio/socket.io-client-java) - Full-featured Socket.IO Client Library for Java, which is compatible with Socket.IO v1.0 and later.

* [javaparser/javaparser](https://github.com/javaparser/javaparser) - Java 1-18 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

* [opengoofy/hippo4j](https://github.com/opengoofy/hippo4j) - 📌 异步线程池框架，支持线程池动态变更&监控&报警，无需修改代码轻松引入。Asynchronous thread pool framework, support Thread Pool Dynamic Change & monitoring & Alarm, no need to modify the code easily introduced.

* [Yalantis/Side-Menu.Android](https://github.com/Yalantis/Side-Menu.Android) - Side menu with some categories to choose.

* [WuKongOpenSource/WukongCRM-11.0-JAVA](https://github.com/WuKongOpenSource/WukongCRM-11.0-JAVA) - 悟空CRM-基于Spring Cloud Alibaba微服务架构 +vue ElementUI的前后端分离CRM系统

* [ZHENFENG13/spring-boot-projects](https://github.com/ZHENFENG13/spring-boot-projects) - :fire: 该仓库中主要是 Spring Boot 的入门学习教程以及一些常用的 Spring Boot 实战项目教程，包括 Spring Boot 使用的各种示例代码，同时也包括一些实战项目的项目源码和效果展示，实战项目包括基本的 web 开发以及目前大家普遍使用的线上博客项目/企业大型商城系统/前后端分离实践项目等，摆脱各种 hello world 入门案例的束缚，真正的掌握 Spring Boot 开发。

* [apache/pinot](https://github.com/apache/pinot) - Apache Pinot - A realtime distributed OLAP datastore

* [apache/hbase](https://github.com/apache/hbase) - Apache HBase

* [jetlinks/jetlinks-community](https://github.com/jetlinks/jetlinks-community) - JetLinks  基于Java8,Spring Boot 2.x ,WebFlux,Netty,Vert.x,Reactor等开发, 是一个全响应式的企业级物联网平台。支持统一物模型管理,多种设备,多种厂家,统一管理。统一设备连接管理,多协议适配(TCP,MQTT,UDP,CoAP,HTTP等),屏蔽网络编程复杂性,灵活接入不同厂家不同协议等设备。实时数据处理,设备告警,消息通知,数据转发。地理位置,数据可视化等。能帮助你快速建立物联网相关业务系统。

* [TeamAmaze/AmazeFileManager](https://github.com/TeamAmaze/AmazeFileManager) - Material design file manager for Android

* [JSQLParser/JSqlParser](https://github.com/JSQLParser/JSqlParser) - JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern

* [coobird/thumbnailator](https://github.com/coobird/thumbnailator) - Thumbnailator - a thumbnail generation library for Java

* [orhanobut/dialogplus](https://github.com/orhanobut/dialogplus) - Advanced dialog solution for android

* [hyperledger/web3j](https://github.com/hyperledger/web3j) - Lightweight Java and Android library for integration with Ethereum clients

* [JodaOrg/joda-time](https://github.com/JodaOrg/joda-time) - Joda-Time is the widely used replacement for the Java date and time classes prior to Java SE 8.

* [amitshekhariitbhu/RxJava2-Android-Samples](https://github.com/amitshekhariitbhu/RxJava2-Android-Samples) - RxJava 2 Android Examples - How to use RxJava 2 in Android

* [krahets/LeetCode-Book](https://github.com/krahets/LeetCode-Book) - 《剑指 Offer》 Python, Java, C++ 解题代码，LeetBook《图解算法数据结构》配套代码仓

* [deathmarine/Luyten](https://github.com/deathmarine/Luyten) - An Open Source Java Decompiler Gui for Procyon

* [nayuki/QR-Code-generator](https://github.com/nayuki/QR-Code-generator) - High-quality QR Code generator library in Java, TypeScript/JavaScript, Python, Rust, C++, C.

* [bitcoinj/bitcoinj](https://github.com/bitcoinj/bitcoinj) - A library for working with Bitcoin

* [Ramotion/folding-cell-android](https://github.com/Ramotion/folding-cell-android) - :octocat: 📃  FoldingCell is a material design expanding content cell inspired by folding paper material made by @Ramotion

* [traccar/traccar](https://github.com/traccar/traccar) - Traccar GPS Tracking System

* [alibaba/jetcache](https://github.com/alibaba/jetcache) - JetCache is a Java cache framework.

* [jankotek/mapdb](https://github.com/jankotek/mapdb) - MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

* [spring-cloud/spring-cloud-netflix](https://github.com/spring-cloud/spring-cloud-netflix) - Integration with Netflix OSS components

* [mcxiaoke/packer-ng-plugin](https://github.com/mcxiaoke/packer-ng-plugin) - 下一代Android打包工具（对Gradle 7.x的支持，欢迎提PR）

* [zhanglei-workspace/shopping-management-system](https://github.com/zhanglei-workspace/shopping-management-system) - 该项目为多个小项目的集合（持续更新中...）。内容类似淘宝、京东等网购管理系统以及图书管理、超市管理等系统。目的在于便于Java初级爱好者在学习完某一部分Java知识后有一个合适的项目锻炼、运用所学知识，完善知识体系。适用人群：Java基础到入门的爱好者。

* [2227324689/gpmall](https://github.com/2227324689/gpmall) - 【咕泡学院实战项目】-基于SpringBoot+Dubbo构建的电商平台-微服务架构、商城、电商、微服务、高并发、kafka、Elasticsearch

* [j-easy/easy-rules](https://github.com/j-easy/easy-rules) - The simple, stupid rules engine for Java

* [jagrosh/MusicBot](https://github.com/jagrosh/MusicBot) - 🎶 A Discord music bot that's easy to set up and run yourself!

* [cglib/cglib](https://github.com/cglib/cglib) - cglib - Byte Code Generation Library is high level API to generate and transform Java byte code. It is used by AOP, testing, data access frameworks to generate dynamic proxy objects and intercept field access.

* [remkop/picocli](https://github.com/remkop/picocli) - Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more.  In 1 source file so apps can include as source & avoid adding a dependency. Written in Java, usable from Groovy, Kotlin, Scala, etc.

* [graphhopper/graphhopper](https://github.com/graphhopper/graphhopper) - Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

* [201206030/novel](https://github.com/201206030/novel) - novel 是一套基于时下最新 Java 技术栈 Spring Boot 3 + Vue 3 开发的前后端分离学习型小说项目，配备保姆级教程手把手教你从零开始开发上线一套生产级别的 Java 系统，由小说门户系统、作家后台管理系统、平台后台管理系统等多个子系统构成。包括小说推荐、作品检索、小说排行榜、小说阅读、小说评论、会员中心、作家专区、充值订阅、新闻发布等功能。

* [nisrulz/android-tips-tricks](https://github.com/nisrulz/android-tips-tricks) - :ballot_box_with_check: [Cheatsheet] Tips and tricks for Android Development

* [pmd/pmd](https://github.com/pmd/pmd) - An extensible multilanguage static code analyzer.

* [ronmamo/reflections](https://github.com/ronmamo/reflections) - Java runtime metadata analysis

* [hansonwang99/Spring-Boot-In-Action](https://github.com/hansonwang99/Spring-Boot-In-Action) - Spring Boot 系列实战合集

* [TheoKanning/openai-java](https://github.com/TheoKanning/openai-java) - OpenAI Api Client in Java

* [LWJGL/lwjgl3](https://github.com/LWJGL/lwjgl3) - LWJGL is a Java library that enables cross-platform access to popular native APIs useful in the development of graphics (OpenGL, Vulkan, bgfx), audio (OpenAL, Opus), parallel computing (OpenCL, CUDA) and XR (OpenVR, LibOVR, OpenXR) applications.

* [bisq-network/bisq](https://github.com/bisq-network/bisq) - A decentralized bitcoin exchange network

* [alibaba/QLExpress](https://github.com/alibaba/QLExpress) - QLExpress is a powerful, lightweight, dynamic language for the Java platform aimed at improving developers’ productivity in different business scenes.

* [SplashCodes/JAViewer](https://github.com/SplashCodes/JAViewer) - 更优雅的驾车体验

* [DiUS/java-faker](https://github.com/DiUS/java-faker) - Brings the popular ruby faker gem to Java

* [querydsl/querydsl](https://github.com/querydsl/querydsl) - Unified Queries for Java

* [youlookwhat/DesignPattern](https://github.com/youlookwhat/DesignPattern) - 📚 Java 23种设计模式全归纳

* [puniverse/quasar](https://github.com/puniverse/quasar) - Fibers, Channels and Actors for the JVM

* [javagrowing/JGrowing](https://github.com/javagrowing/JGrowing) - Java is Growing up but not only Java。Java成长路线，但学到不仅仅是Java。

* [fuzhengwei/small-spring](https://github.com/fuzhengwei/small-spring) - 🌱《 Spring 手撸专栏》，本专栏以 Spring 源码学习为目的，通过手写简化版 Spring 框架，了解 Spring 核心原理。在手写的过程中会简化 Spring 源码，摘取整体框架中的核心逻辑，简化代码实现过程，保留核心功能，例如：IOC、AOP、Bean生命周期、上下文、作用域、资源处理等内容实现。

* [oshi/oshi](https://github.com/oshi/oshi) - Native Operating System and Hardware Information

* [yasserg/crawler4j](https://github.com/yasserg/crawler4j) - Open Source Web Crawler for Java

* [GeyserMC/Geyser](https://github.com/GeyserMC/Geyser) - A bridge/proxy allowing you to connect to Minecraft: Java Edition servers with Minecraft: Bedrock Edition.

* [mock-server/mockserver](https://github.com/mock-server/mockserver) - MockServer enables easy mocking of any system you integrate with via HTTP or HTTPS with clients written in Java, JavaScript and Ruby.  MockServer also includes a proxy that introspects all proxied traffic including encrypted SSL traffic and supports Port Forwarding, Web Proxying (i.e. HTTP proxy), HTTPS Tunneling Proxying (using HTTP CONNECT) and SOCKS Proxying (i.e. dynamic port forwarding).

* [zlt2000/microservices-platform](https://github.com/zlt2000/microservices-platform) - 基于SpringBoot2.x、SpringCloud和SpringCloudAlibaba并采用前后端分离的企业级微服务多租户系统架构。并引入组件化的思想实现高内聚低耦合，项目代码简洁注释丰富上手容易，适合学习和企业中使用。真正实现了基于RBAC、jwt和oauth2的无状态统一权限认证的解决方案，面向互联网设计同时适合B端和C端用户，支持CI/CD多环境部署，并提供应用管理方便第三方系统接入；同时还集合各种微服务治理功能和监控功能。模块包括:企业级的认证系统、开发平台、应用监控、慢sql监控、统一日志、单点登录、Redis分布式高速缓存、配置中心、分布式任务调度、接口文档、代码生成等等。

* [stleary/JSON-java](https://github.com/stleary/JSON-java) - A reference implementation of a JSON package in Java.

* [apache/nifi](https://github.com/apache/nifi) - Apache NiFi

* [SPLWare/esProc](https://github.com/SPLWare/esProc) - esProc SPL is a scripting language for data processing, with well-designed rich library functions and powerful syntax, which can be executed in a Java program through JDBC interface and computing independently.

* [rubenlagus/TelegramBots](https://github.com/rubenlagus/TelegramBots) - Java library to create bots using Telegram Bots API

* [gz-yami/mall4j](https://github.com/gz-yami/mall4j) - ⭐️⭐️⭐️ 电商商城 小程序电商商城系统 PC商城 H5商城 APP商城 Java商城 O2O商城 跨境商城

* [liquibase/liquibase](https://github.com/liquibase/liquibase) - Main Liquibase Source

* [spring-cloud/spring-cloud-gateway](https://github.com/spring-cloud/spring-cloud-gateway) - An API Gateway built on Spring Framework and Spring Boot providing routing and more.

* [bytedeco/javacpp](https://github.com/bytedeco/javacpp) - The missing bridge between Java and native C++

* [chewiebug/GCViewer](https://github.com/chewiebug/GCViewer) - Fork of tagtraum industries' GCViewer. Tagtraum stopped development in 2008, I aim to improve support for Sun's / Oracle's java 1.6+ garbage collector logs (including G1 collector)

* [apache/calcite](https://github.com/apache/calcite) - Apache Calcite

* [00-Evan/shattered-pixel-dungeon](https://github.com/00-Evan/shattered-pixel-dungeon) - Shattered Pixel Dungeon is an open-source traditional roguelike dungeon crawler with randomized levels and enemies, and hundreds of items to collect and use. It's based on the source code of Pixel Dungeon, by Watabou.

* [saysky/ForestBlog](https://github.com/saysky/ForestBlog) - 一个简单漂亮的SSM(Spring+SpringMVC+Mybatis)博客系统

* [phishman3579/java-algorithms-implementation](https://github.com/phishman3579/java-algorithms-implementation) - Algorithms and Data Structures implemented in Java

* [CalebFenton/simplify](https://github.com/CalebFenton/simplify) - Android virtual machine and deobfuscator

* [zq2599/blog_demos](https://github.com/zq2599/blog_demos) - CSDN博客专家程序员欣宸的github，这里有六百多篇原创文章的详细分类和汇总，以及对应的源码，内容涉及Java、Docker、Kubernetes、DevOPS等方面

* [awangdev/leet-code](https://github.com/awangdev/leet-code) - Java Solutions to problems on LintCode/LeetCode

* [tiann/epic](https://github.com/tiann/epic) - Dynamic java method AOP hook for Android(continution of Dexposed on ART), Supporting 5.0~11

* [micrometer-metrics/micrometer](https://github.com/micrometer-metrics/micrometer) - An application observability facade for the most popular observability tools. Think SLF4J, but for observability.

* [RedSpider1/concurrent](https://github.com/RedSpider1/concurrent) - 这是RedSpider社区成员原创与维护的Java多线程系列文章。

* [objectbox/objectbox-java](https://github.com/objectbox/objectbox-java) - Java and Android Database - fast and lightweight without any ORM

* [981011512/--](https://github.com/981011512/--) - 停车场系统源码，新能源充电桩系统，停车场小程序，智能停车，Parking system，【功能介绍】：①兼容市面上主流的多家相机，理论上兼容所有硬件，可灵活扩展，②相机识别后数据自动上传到云端并记录，校验相机唯一id和硬件序列号，防止非法数据录入，③用户手机查询停车记录详情可自主缴费(支持微信，支付宝，银行接口支付，支持每个停车场指定不同的商户进行收款)，支付后出场在免费时间内会自动抬杆。④支持app上查询附近停车场(导航，可用车位数，停车场费用，优惠券，评分，评论等)，可预约车位。⑤断电断网支持岗亭人员使用app可接管硬件进行停车记录的录入。 【技术架构】：后端开发语言java，框架oauth2+springboot2+dubble，数据库mysql/mongodb/redis，即时通讯底层框架netty4，安卓和ios均为原生开发，后台管理模板vue专业定制

* [killme2008/aviatorscript](https://github.com/killme2008/aviatorscript) - A high performance scripting language hosted on the JVM.

* [apache/iotdb](https://github.com/apache/iotdb) - Apache IoTDB

* [oracle/opengrok](https://github.com/oracle/opengrok) - OpenGrok is a fast and usable source code search and cross reference engine, written in Java

* [apache/shiro](https://github.com/apache/shiro) - Apache Shiro

* [diffplug/spotless](https://github.com/diffplug/spotless) - Keep your code spotless

* [brianway/java-learning](https://github.com/brianway/java-learning) - 旨在打造在线最佳的 Java 学习笔记，含博客讲解和源码实例，包括 Java SE 和 Java Web

* [AlmasB/FXGL](https://github.com/AlmasB/FXGL) - Java / JavaFX / Kotlin Game Library (Engine)

* [apache/maven](https://github.com/apache/maven) - Apache Maven core

* [discord-jda/JDA](https://github.com/discord-jda/JDA) - Java wrapper for the popular chat & VOIP service: Discord https://discord.com

* [powermock/powermock](https://github.com/powermock/powermock) - PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.

* [dragonwell-project/dragonwell8](https://github.com/dragonwell-project/dragonwell8) - Alibaba Dragonwell8 JDK

* [failsafe-lib/failsafe](https://github.com/failsafe-lib/failsafe) - Fault tolerance and resilience patterns for the JVM

* [javastacks/spring-boot-best-practice](https://github.com/javastacks/spring-boot-best-practice) - Spring Boot 最佳实践，包括自动配置、核心原理、源码分析、国际化支持、调试、日志集成、热部署等。

* [h2database/h2database](https://github.com/h2database/h2database) - H2 is an embeddable RDBMS written in Java.

* [mybatis/spring-boot-starter](https://github.com/mybatis/spring-boot-starter) - MyBatis integration with Spring Boot

* [jitsi/jitsi](https://github.com/jitsi/jitsi) - Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.

* [oblac/jodd](https://github.com/oblac/jodd) - Jodd! Lightweight. Java. Zero dependencies. Use what you like.

* [jacoco/jacoco](https://github.com/jacoco/jacoco) - :microscope: Java Code Coverage Library

* [rememberber/WePush](https://github.com/rememberber/WePush) - 专注批量推送的小而美的工具，目前支持：模板消息-公众号、模板消息-小程序、微信客服消息、微信企业号/企业微信消息、阿里云短信、阿里大于模板短信 、腾讯云短信、云片网短信、E-Mail、HTTP请求、钉钉、华为云短信、百度云短信、又拍云短信、七牛云短信

* [jboss-javassist/javassist](https://github.com/jboss-javassist/javassist) - Java bytecode engineering toolkit

* [google/open-location-code](https://github.com/google/open-location-code) - Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.

* [Yalantis/Phoenix](https://github.com/Yalantis/Phoenix) - Phoenix Pull-to-Refresh

* [lilishop/lilishop](https://github.com/lilishop/lilishop) - 商城 JAVA电商商城 多语言商城  uniapp商城  微服务商城

* [camunda/camunda-bpm-platform](https://github.com/camunda/camunda-bpm-platform) - Flexible framework for workflow and decision automation with BPMN and DMN. Integration with Quarkus, Spring, Spring Boot, CDI.

* [oldmanpushcart/greys-anatomy](https://github.com/oldmanpushcart/greys-anatomy) - Java诊断工具

* [qunarcorp/bistoury](https://github.com/qunarcorp/bistoury) - Bistoury是去哪儿网的java应用生产问题诊断工具，提供了一站式的问题诊断方案

* [Sayi/poi-tl](https://github.com/Sayi/poi-tl) - Generate awesome word(docx) with template

* [nextcloud/android](https://github.com/nextcloud/android) - 📱 Nextcloud Android app

* [rengwuxian/RxJavaSamples](https://github.com/rengwuxian/RxJavaSamples) - RxJava 2 和 Retrofit 结合使用的几个最常见使用方式举例

* [charles2gan/GDA-android-reversing-Tool](https://github.com/charles2gan/GDA-android-reversing-Tool) - the fastest and most powerful android decompiler(native tool working without Java VM) for the APK, DEX, ODEX, OAT, JAR, AAR, and CLASS file. which supports malicious behavior detection, privacy leaking detection, vulnerability detection, path solving, packer identification, variable tracking, deobfuscation, python&java scripts, device memory extraction, data decryption, and encryption, etc.

* [mercyblitz/tech-weekly](https://github.com/mercyblitz/tech-weekly) - 「小马哥技术周报」

* [Docile-Alligator/Infinity-For-Reddit](https://github.com/Docile-Alligator/Infinity-For-Reddit) - A Reddit client for Android

* [DTStack/chunjun](https://github.com/DTStack/chunjun) - A data integration framework

* [deepjavalibrary/djl](https://github.com/deepjavalibrary/djl) - An Engine-Agnostic Deep Learning Framework in Java

* [NotFound9/interviewGuide](https://github.com/NotFound9/interviewGuide) - 推荐免费ChatGPT网站：https://www.lintcode.com/chat-gpt?utm_source=tf-github-NotFound  点此领取7天VIP会员：https://www.lintcode.com/vip/activity/z1qgMH           《大厂面试指北》——包括Java基础、JVM、数据库、mysql、redis、计算机网络、算法、数据结构、操作系统、设计模式、系统设计、框架原理。

* [jbloch/effective-java-3e-source-code](https://github.com/jbloch/effective-java-3e-source-code) - The source code from the third edition of Effective Java, with minor additions as necessary to make it runnable.

* [sofastack/sofa-rpc](https://github.com/sofastack/sofa-rpc) - SOFARPC is a high-performance, high-extensibility, production-level Java RPC  framework.

* [s4kibs4mi/java-developer-roadmap](https://github.com/s4kibs4mi/java-developer-roadmap) - Roadmap to becoming a Java developer in 2024

* [knowm/XChange](https://github.com/knowm/XChange) - XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.

* [jetty/jetty.project](https://github.com/jetty/jetty.project) - Eclipse Jetty® - Web Container & Clients - supports HTTP/2, HTTP/1.1, HTTP/1.0, websocket, servlets, and more

* [mpusher/mpush](https://github.com/mpusher/mpush) - MPush开源实时消息推送系统

* [promeG/TinyPinyin](https://github.com/promeG/TinyPinyin) - 适用于Java和Android的快速、低内存占用的汉字转拼音库。

* [awaitility/awaitility](https://github.com/awaitility/awaitility) - Awaitility is a small Java DSL for synchronizing asynchronous operations

* [jMonkeyEngine/jmonkeyengine](https://github.com/jMonkeyEngine/jmonkeyengine) - A complete 3-D game development suite written in Java.

* [Atmosphere/atmosphere](https://github.com/Atmosphere/atmosphere) - Event Driven WebSockets Framework  with Cross-Browser Fallbacks

* [houbb/sensitive-word](https://github.com/houbb/sensitive-word) -  👮‍♂️The sensitive word tool for java.(敏感词/违禁词/违法词/脏词。基于 DFA 算法实现的高性能 java 敏感词过滤工具框架。请勿发布涉及政治、广告、营销、翻墙、违反国家法律法规等内容。高性能敏感词检测过滤组件，附带繁体简体互换，支持全角半角互换，汉字转拼音，模糊搜索等功能。)

* [RipMeApp/ripme](https://github.com/RipMeApp/ripme) - Downloads albums in bulk

* [MovingBlocks/Terasology](https://github.com/MovingBlocks/Terasology) - Terasology - open source voxel world

* [liuyubobobo/Play-with-Algorithms](https://github.com/liuyubobobo/Play-with-Algorithms) - Codes of my MOOC Course , Both in C++ and Java language. Updated contents and practices are also included. 我在慕课网上的课程《算法与数据结构》示例代码，包括C++和Java版本。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。

* [tronprotocol/java-tron](https://github.com/tronprotocol/java-tron) - Java implementation of the Tron whitepaper

* [ByteLegend/ByteLegend](https://github.com/ByteLegend/ByteLegend) - Enjoy programming while playing a game.

* [geoserver/geoserver](https://github.com/geoserver/geoserver) - Official GeoServer repository

* [networknt/light-4j](https://github.com/networknt/light-4j) - A fast, lightweight and more productive microservices framework

* [bitcoin-wallet/bitcoin-wallet](https://github.com/bitcoin-wallet/bitcoin-wallet) - Bitcoin Wallet app for your Android device. Standalone Bitcoin node, no centralized backend required.

* [johncarl81/parceler](https://github.com/johncarl81/parceler) - :package: Android Parcelables made easy through code generation.

* [ZHENFENG13/My-Blog](https://github.com/ZHENFENG13/My-Blog) - :palm_tree::octocat:A simple & beautiful blogging system implemented with spring-boot & thymeleaf & mybatis My Blog 是由 SpringBoot + Mybatis + Thymeleaf 等技术实现的 Java 博客系统，页面美观、功能齐全、部署简单及完善的代码，一定会给使用者无与伦比的体验

* [uber/NullAway](https://github.com/uber/NullAway) - A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

* [luontola/retrolambda](https://github.com/luontola/retrolambda) - Backport of Java 8's lambda expressions to Java 7, 6 and 5

* [langchain4j/langchain4j](https://github.com/langchain4j/langchain4j) - Java version of LangChain

* [spockframework/spock](https://github.com/spockframework/spock) - The Enterprise-ready testing and specification framework.

* [sofastack/sofa-jraft](https://github.com/sofastack/sofa-jraft) - A production-grade java implementation of RAFT consensus algorithm.

* [dromara/dynamic-tp](https://github.com/dromara/dynamic-tp) - 🔥🔥🔥轻量级动态线程池，内置监控告警功能，集成三方中间件线程池管理，基于主流配置中心（已支持Nacos、Apollo，Zookeeper、Consul、Etcd，可通过SPI自定义实现）。Lightweight dynamic threadpool, with monitoring and alarming functions, base on popular config centers (already support Nacos、Apollo、Zookeeper、Consul, can be customized through SPI).

* [alibaba/fastjson2](https://github.com/alibaba/fastjson2) - 🚄 FASTJSON2 is a Java JSON  library with excellent performance.

* [PlexPt/chatgpt-java](https://github.com/PlexPt/chatgpt-java) - ChatGPT Java SDK。支持 GPT3.5、 GPT4 API。开箱即用。

* [shopizer-ecommerce/shopizer](https://github.com/shopizer-ecommerce/shopizer) - Shopizer java e-commerce software

* [jtablesaw/tablesaw](https://github.com/jtablesaw/tablesaw) - Java dataframe and visualization library

* [fyhertz/libstreaming](https://github.com/fyhertz/libstreaming) - A solution for streaming H.264, H.263, AMR, AAC using RTP on Android

* [lenve/JavaEETest](https://github.com/lenve/JavaEETest) - Spring、SpringMVC、MyBatis、Spring Boot案例

* [kubernetes-client/java](https://github.com/kubernetes-client/java) - Official Java client library for kubernetes

* [JabRef/jabref](https://github.com/JabRef/jabref) - Graphical Java application for managing BibTeX and biblatex (.bib) databases

* [sherxon/AlgoDS](https://github.com/sherxon/AlgoDS) - Implementation of Algorithms and Data Structures, Problems and Solutions

* [spring-cloud/spring-cloud-kubernetes](https://github.com/spring-cloud/spring-cloud-kubernetes) - Kubernetes integration with Spring Cloud Discovery Client, Configuration, etc...

* [RoaringBitmap/RoaringBitmap](https://github.com/RoaringBitmap/RoaringBitmap) - A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others

* [LibrePDF/OpenPDF](https://github.com/LibrePDF/OpenPDF) - OpenPDF is a free Java library for creating and editing PDF files, with a LGPL and MPL open source license. OpenPDF is based on a fork of iText. We welcome contributions from other developers. Please feel free to submit pull-requests and bugreports to this GitHub repository.

* [Mojang/brigadier](https://github.com/Mojang/brigadier) - Brigadier is a command parser & dispatcher, designed and developed for Minecraft: Java Edition.

* [kevinsawicki/http-request](https://github.com/kevinsawicki/http-request) - Java HTTP Request Library

* [fabric8io/kubernetes-client](https://github.com/fabric8io/kubernetes-client) - Java client for Kubernetes & OpenShift

* [cropsly/ffmpeg-android-java](https://github.com/cropsly/ffmpeg-android-java) - Android java library for FFmpeg binary compiled using https://github.com/writingminds/ffmpeg-android

* [fesh0r/fernflower](https://github.com/fesh0r/fernflower) - Unofficial mirror of FernFlower Java decompiler (All pulls should be submitted upstream)

* [Red5/red5-server](https://github.com/Red5/red5-server) - Red5 Server core

* [chenBingX/SuperTextView](https://github.com/chenBingX/SuperTextView) - Hi，Developer，Welcome to use SuperTextView ！

* [apache/logging-log4j2](https://github.com/apache/logging-log4j2) - Apache Log4j 2 is a versatile, feature-rich, efficient logging API and backend for Java.

* [apache/incubator-kie-optaplanner](https://github.com/apache/incubator-kie-optaplanner) - AI constraint solver in Java to optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems.

* [gouthampradhan/leetcode](https://github.com/gouthampradhan/leetcode) - Leetcode solutions

* [AxonFramework/AxonFramework](https://github.com/AxonFramework/AxonFramework) - Framework for Evolutionary Message-Driven Microservices on the JVM

* [jfinal/jfinal](https://github.com/jfinal/jfinal) - JAVA WEB + ORM Framework

* [tchiotludo/akhq](https://github.com/tchiotludo/akhq) - Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...

* [ragunathjawahar/android-saripaar](https://github.com/ragunathjawahar/android-saripaar) - UI form validation library for Android

* [guoguibing/librec](https://github.com/guoguibing/librec) - LibRec: A Leading Java Library for Recommender Systems, see

* [eclipse-openj9/openj9](https://github.com/eclipse-openj9/openj9) - Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput.   Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.

* [LinShunKang/MyPerf4J](https://github.com/LinShunKang/MyPerf4J) - High performance Java APM. Powered by ASM. Try it. Test it. If you feel its better, use it.

* [Grt1228/chatgpt-java](https://github.com/Grt1228/chatgpt-java) - ChatGPT Java SDK支持流式输出、Gpt插件、联网。支持OpenAI官方所有接口。ChatGPT的Java客户端。OpenAI GPT-3.5-Turb GPT-4  Api Client for Java

* [rbmonster/learning-note](https://github.com/rbmonster/learning-note) - Java开发及面试（个人面试、工作总结、资料收集站）

* [OpenHFT/Chronicle-Queue](https://github.com/OpenHFT/Chronicle-Queue) - Micro second messaging that stores everything to disk

* [wenbochang888/house](https://github.com/wenbochang888/house) - 有完整版的PDF下载。

* [dunwu/javacore](https://github.com/dunwu/javacore) - ☕ JavaCore 是对 Java 核心技术的经验总结。

* [mxdldev/android-mvp-mvvm-flytour](https://github.com/mxdldev/android-mvp-mvvm-flytour) - 🔥🔥🔥 FlyTour是Android MVVM+MVP+Dagger2+Retrofit+RxJava+组件化+插件组成的双编码架构+双工程架构+双语言Android应用开发框架，通过不断的升级迭代该框架已经有了十个不同的版本，5.0之前工程架构采用gradle配置实现组件化，5.0之后的工程架构采用VirtualAPK实现了插件化，5.0之前采用Java编码实现，5.0之后采用Kotlin编码实现，编码架构由MVVM和MVP组成，工程架构和编码架构及编码语言开发者可根据自己具体的项目实际需求去决定选择使用，该框架是Android组件化、Android插件化、Android MVP架构、Android MVVM架构的集大成者，帮助你快速的搭建自己的App项目开发框架，以便把主要的精力放在自己的项目的业务功能实现上，另外在长期的工作实践中总结整理大量的实用工具类在项目lib_common组件的util包当中方便大家调用。

* [torakiki/pdfsam](https://github.com/torakiki/pdfsam) - PDFsam, a desktop application to split, merge, mix, rotate PDF files and extract pages

* [requery/requery](https://github.com/requery/requery) - requery - modern SQL based query & persistence for Java / Kotlin / Android

* [Tencent/spring-cloud-tencent](https://github.com/Tencent/spring-cloud-tencent) - Spring Cloud Tencent is a Spring Cloud based Service Governance Framework provided by Tencent.

* [springdoc/springdoc-openapi](https://github.com/springdoc/springdoc-openapi) - Library for OpenAPI 3 with spring-boot

* [bastillion-io/Bastillion](https://github.com/bastillion-io/Bastillion) - Bastillion is a web-based SSH console that centrally manages administrative access to systems. Web-based administration is combined with management and distribution of user's public SSH keys.

* [syncthing/syncthing-android](https://github.com/syncthing/syncthing-android) - Wrapper of syncthing for Android.

* [apache/curator](https://github.com/apache/curator) - Apache Curator

* [TNG/ArchUnit](https://github.com/TNG/ArchUnit) - A Java architecture test library, to specify and assert architecture rules in plain Java

* [HelloWorld521/Java](https://github.com/HelloWorld521/Java) - java项目实战练习

* [camunda/camunda](https://github.com/camunda/camunda) - Distributed Workflow Engine for Microservices Orchestration

* [CrawlScript/WebCollector](https://github.com/CrawlScript/WebCollector) - WebCollector is an open source web crawler framework based on Java.It provides some simple interfaces for crawling the Web,you can setup a multi-threaded web crawler in less than 5 minutes.

* [ZieIony/Carbon](https://github.com/ZieIony/Carbon) - Material Design implementation for Android 4.0+. Shadows, ripples, vectors, fonts, animations, widgets, rounded corners and more.

* [yusugomori/DeepLearning](https://github.com/yusugomori/DeepLearning) - Deep Learning (Python, C, C++, Java, Scala, Go)

* [real-logic/simple-binary-encoding](https://github.com/real-logic/simple-binary-encoding) - Simple Binary Encoding (SBE) - High Performance Message Codec

* [vran-dev/PrettyZoo](https://github.com/vran-dev/PrettyZoo) - 😉    Pretty nice Zookeeper GUI, Support Win / Mac / Linux Platform

* [AdoptOpenJDK/jitwatch](https://github.com/AdoptOpenJDK/jitwatch) - Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.

* [szerhusenBC/jwt-spring-security-demo](https://github.com/szerhusenBC/jwt-spring-security-demo) - A demo for using JWT (Json Web Token) with Spring Security and Spring Boot 2

* [EngineHub/WorldEdit](https://github.com/EngineHub/WorldEdit) - 🗺️ Minecraft map editor and mod

* [BruceEckel/OnJava8-Examples](https://github.com/BruceEckel/OnJava8-Examples) - Code Examples for the book "On Java 8"

* [AsamK/signal-cli](https://github.com/AsamK/signal-cli) - signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.

* [ltsopensource/light-task-scheduler](https://github.com/ltsopensource/light-task-scheduler) - Distributed Scheduled Job Framework

* [jasonross/Nuwa](https://github.com/jasonross/Nuwa) - Nuwa, pure java implementation, can hotfix your android application.

* [javahuang/SurveyKing](https://github.com/javahuang/SurveyKing) - Make a better survey system.

* [prometheus/jmx_exporter](https://github.com/prometheus/jmx_exporter) - A process for exposing JMX Beans via HTTP for Prometheus consumption

* [spring-projects/spring-data-jpa](https://github.com/spring-projects/spring-data-jpa) - Simplifies the development of creating a JPA-based data access layer.

* [iluwatar/java-design-patterns](https://github.com/iluwatar/java-design-patterns) - Design patterns implemented in Java

* [krahets/hello-algo](https://github.com/krahets/hello-algo) - 《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 代码。简体版和繁体版同步更新，English version ongoing

* [macrozheng/mall](https://github.com/macrozheng/mall) - mall项目是一套电商系统，包括前台商城系统及后台管理系统，基于SpringBoot+MyBatis实现，采用Docker容器化部署。 前台商城系统包含首页门户、商品推荐、商品搜索、商品展示、购物车、订单流程、会员中心、客户服务、帮助中心等模块。 后台管理系统包含商品管理、订单管理、会员管理、促销管理、运营管理、内容管理、统计报表、财务管理、权限管理、设置等模块。

* [doocs/advanced-java](https://github.com/doocs/advanced-java) - 😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识

* [elastic/elasticsearch](https://github.com/elastic/elasticsearch) - Free and Open, Distributed, RESTful Search Engine

* [kdn251/interviews](https://github.com/kdn251/interviews) - Everything you need to know to get the job.

* [TheAlgorithms/Java](https://github.com/TheAlgorithms/Java) - All Algorithms implemented in Java

* [google/guava](https://github.com/google/guava) - Google core libraries for Java

* [ReactiveX/RxJava](https://github.com/ReactiveX/RxJava) - RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

* [apache/dubbo](https://github.com/apache/dubbo) - The java implementation of Apache Dubbo. An RPC and microservice framework.

* [jeecgboot/jeecg-boot](https://github.com/jeecgboot/jeecg-boot) - 🔥「企业级低代码平台」前后端分离架构SpringBoot 2.x/3.x，SpringCloud，Ant Design&Vue，Mybatis，Shiro，JWT。强大的代码生成器让前后端代码一键生成，无需写任何代码! 引领新的开发模式OnlineCoding->代码生成->手工MERGE，帮助Java项目解决70%重复工作，让开发更关注业务，既能快速提高效率，帮助公司节省成本，同时又不失灵活性。

* [dbeaver/dbeaver](https://github.com/dbeaver/dbeaver) - Free universal database tool and SQL client

* [PhilJay/MPAndroidChart](https://github.com/PhilJay/MPAndroidChart) - A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

* [alibaba/arthas](https://github.com/alibaba/arthas) - Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas

* [zxing/zxing](https://github.com/zxing/zxing) - ZXing ("Zebra Crossing") barcode scanning library for Java, Android

* [xkcoding/spring-boot-demo](https://github.com/xkcoding/spring-boot-demo) - 🚀一个用来深入学习并实战 Spring Boot 的项目。

* [alibaba/easyexcel](https://github.com/alibaba/easyexcel) - 快速、简洁、解决大文件内存溢出的java处理Excel工具

* [ityouknow/spring-boot-examples](https://github.com/ityouknow/spring-boot-examples) - about learning Spring Boot via examples. Spring Boot 教程、技术栈示例代码，快速简单上手教程。

* [SeleniumHQ/selenium](https://github.com/SeleniumHQ/selenium) - A browser automation framework and ecosystem.

* [doocs/leetcode](https://github.com/doocs/leetcode) - 🔥LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer（第 2 版）》、《程序员面试金典（第 6 版）》题解

* [dromara/hutool](https://github.com/dromara/hutool) - 🍬A set of tools that keep Java sweet.

* [alibaba/spring-cloud-alibaba](https://github.com/alibaba/spring-cloud-alibaba) - Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

* [crossoverJie/JCSprout](https://github.com/crossoverJie/JCSprout) - 👨‍🎓 Java Core Sprout : basic, concurrent, algorithm

* [xuxueli/xxl-job](https://github.com/xuxueli/xxl-job) - A distributed task scheduling framework.（分布式任务调度平台XXL-JOB）

* [alibaba/fastjson](https://github.com/alibaba/fastjson) - FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

* [hollischuang/toBeTopJavaer](https://github.com/hollischuang/toBeTopJavaer) - To Be Top Javaer - Java工程师成神之路

* [apache/flink](https://github.com/apache/flink) - Apache Flink

* [google/gson](https://github.com/google/gson) - A Java serialization/deserialization library to convert Java Objects into JSON and back

* [libgdx/libgdx](https://github.com/libgdx/libgdx) - Desktop/Android/HTML5/iOS Java game development framework

* [jenkinsci/jenkins](https://github.com/jenkinsci/jenkins) - Jenkins automation server

* [Stirling-Tools/Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF) - #1 Locally hosted web application that allows you to perform various operations on PDF files

* [openjdk/jdk](https://github.com/openjdk/jdk) - JDK main-line development https://openjdk.org/projects/jdk

* [thingsboard/thingsboard](https://github.com/thingsboard/thingsboard) - Open-source IoT Platform - Device management, data collection, processing and visualization.

* [lzyzsd/JsBridge](https://github.com/lzyzsd/JsBridge) - android java and javascript bridge, inspired by wechat webview jsbridge

* [facebook/buck](https://github.com/facebook/buck) - A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.

* [apache/cassandra](https://github.com/apache/cassandra) - Mirror of Apache Cassandra

* [mapstruct/mapstruct](https://github.com/mapstruct/mapstruct) - An annotation processor for generating type-safe bean mappers

* [google/error-prone](https://github.com/google/error-prone) - Catch common Java mistakes as compile-time errors

* [cabaletta/baritone](https://github.com/cabaletta/baritone) - google maps for block game

* [mrniko/netty-socketio](https://github.com/mrniko/netty-socketio) - Socket.IO server implemented on Java. Realtime java framework

* [NLPchina/ansj_seg](https://github.com/NLPchina/ansj_seg) - ansj分词.ict的真正java实现.分词效果速度都超过开源版的ict. 中文分词,人名识别,词性标注,用户自定义词典

* [apache/zeppelin](https://github.com/apache/zeppelin) - Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.

* [sshahine/JFoenix](https://github.com/sshahine/JFoenix) - JavaFX Material Design Library

* [AsyncHttpClient/async-http-client](https://github.com/AsyncHttpClient/async-http-client) - Asynchronous Http and WebSocket Client library for Java

* [junit-team/junit5](https://github.com/junit-team/junit5) - ✅ The 5th major version of the programmer-friendly testing framework for Java and the JVM

* [joelittlejohn/jsonschema2pojo](https://github.com/joelittlejohn/jsonschema2pojo) - Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

* [amitshekhariitbhu/from-java-to-kotlin](https://github.com/amitshekhariitbhu/from-java-to-kotlin) - From Java To Kotlin - Your Cheat Sheet For Java To Kotlin

* [wiremock/wiremock](https://github.com/wiremock/wiremock) - A tool for mocking HTTP services

* [graphql-java/graphql-java](https://github.com/graphql-java/graphql-java) - GraphQL Java implementation

* [raphw/byte-buddy](https://github.com/raphw/byte-buddy) - Runtime code generation for the Java virtual machine.

* [rey5137/material](https://github.com/rey5137/material) - A library to bring fully animated Material Design components to pre-Lolipop Android.

* [google/j2objc](https://github.com/google/j2objc) - A Java to iOS Objective-C translation tool and runtime.

* [micronaut-projects/micronaut-core](https://github.com/micronaut-projects/micronaut-core) - Micronaut Application Framework

* [prolificinteractive/material-calendarview](https://github.com/prolificinteractive/material-calendarview) - A Material design back port of Android's CalendarView

* [springfox/springfox](https://github.com/springfox/springfox) - Automated JSON API documentation for API's built with Spring

* [jOOQ/jOOQ](https://github.com/jOOQ/jOOQ) - jOOQ is the best way to write SQL in Java

* [hazelcast/hazelcast](https://github.com/hazelcast/hazelcast) - Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

* [CameraKit/blurkit-android](https://github.com/CameraKit/blurkit-android) - The missing Android blurring library. Fast blur-behind layout that parallels iOS.

* [fishercoder1534/Leetcode](https://github.com/fishercoder1534/Leetcode) - Solutions to LeetCode problems; updated daily. Subscribe to my YouTube channel for more.

* [yangfuhai/ASimpleCache](https://github.com/yangfuhai/ASimpleCache) - a simple cache for android and java

* [anggrayudi/android-hidden-api](https://github.com/anggrayudi/android-hidden-api) - A library that provides access to Android hidden APIs and internal resources.

* [helidon-io/helidon](https://github.com/helidon-io/helidon) - Java libraries for writing microservices

* [immutables/immutables](https://github.com/immutables/immutables) - Annotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS integrations included

* [coderbruis/JavaSourceCodeLearning](https://github.com/coderbruis/JavaSourceCodeLearning) - Java流行框架源码分析：Spring源码、SpringBoot源码、SpringAOP源码、SpringSecurity源码、SpringSecurity OAuth2源码、JDK源码、Netty源码

* [spotbugs/spotbugs](https://github.com/spotbugs/spotbugs) - SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.

* [grpc-ecosystem/grpc-spring](https://github.com/grpc-ecosystem/grpc-spring) - Spring Boot starter module for gRPC framework.

* [Aliucord/Aliucord](https://github.com/Aliucord/Aliucord) - A modification for the Discord Android App

* [WritingMinds/ffmpeg-android-java](https://github.com/WritingMinds/ffmpeg-android-java) - Android java library for FFmpeg binary compiled using https://github.com/writingminds/ffmpeg-android

* [camunda/zeebe](https://github.com/camunda/zeebe) - Distributed Workflow Engine for Microservices Orchestration

* [javamelody/javamelody](https://github.com/javamelody/javamelody) - JavaMelody : monitoring of JavaEE applications

* [qos-ch/logback](https://github.com/qos-ch/logback) - The reliable, generic, fast and flexible logging framework for Java.

* [spring-projects/spring-data-elasticsearch](https://github.com/spring-projects/spring-data-elasticsearch) - Provide support to increase developer productivity in Java when using Elasticsearch. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.

* [google/binnavi](https://github.com/google/binnavi) - BinNavi is a binary analysis IDE that allows to inspect, navigate, edit and annotate control flow graphs and call graphs of disassembled code.

* [AweiLoveAndroid/CommonDevKnowledge](https://github.com/AweiLoveAndroid/CommonDevKnowledge) - :octocat::fire: :star2::star::star::star: :star:  史上最全的BAT大厂Android面试题汇集，以及常用的Android开发的一些技能点，冷门知识点汇总，开发中遇到的坑汇总等干货。

* [nanchen2251/RxJava2Examples](https://github.com/nanchen2251/RxJava2Examples) - :fire:RxJava2 Examples —— 这可能是从 RxJava1 跳到 RxJava2（学习 RxJava2 ）最好的例子 Demo：https://github.com/nanchen2251/RxJava2Examples

* [chengxy-nds/Springboot-Notebook](https://github.com/chengxy-nds/Springboot-Notebook) - Springboot-Notebook 一个以 springboot 为基础开发框架， 整合 Redis 、Mysql 、 Rabbitmq 、ES 、MongoDB、sharding-jdbc 分库分表、zookeeper 、web人脸识别 、实时消息推送 、SQL优化、注册中心 、数据脱敏 等互联网主流技术， 文章图解理论配合实战案例，实现开发中常见功能点的综合项目。 本着拿来即用的原则，助力于减少开发者在工作中的学习成本。

* [FinalTeam/RxGalleryFinal](https://github.com/FinalTeam/RxGalleryFinal) - 图片选择库，单选/多选、拍照、裁剪、压缩，自定义。包括视频选择和录制。

* [williamfiset/DEPRECATED-data-structures](https://github.com/williamfiset/DEPRECATED-data-structures) - A collection of powerful data structures

* [apache/nutch](https://github.com/apache/nutch) - Apache Nutch is an extensible and scalable web crawler

* [liweiwei1419/LeetCode-Solutions-in-Good-Style](https://github.com/liweiwei1419/LeetCode-Solutions-in-Good-Style) - 首页已经更新，希望能对大家有帮助。

* [docker-java/docker-java](https://github.com/docker-java/docker-java) - Java Docker API Client

* [ulisesbocchio/jasypt-spring-boot](https://github.com/ulisesbocchio/jasypt-spring-boot) - Jasypt integration for Spring boot

* [soot-oss/soot](https://github.com/soot-oss/soot) - Soot - A Java optimization framework

* [igniterealtime/Openfire](https://github.com/igniterealtime/Openfire) - An XMPP server licensed under the Open Source Apache License.

* [florent37/ExpectAnim](https://github.com/florent37/ExpectAnim) - Describe your animation and run !

* [pedrovgs/Algorithms](https://github.com/pedrovgs/Algorithms) - Solutions for some common algorithm problems written in Java.

* [mybatis/spring](https://github.com/mybatis/spring) - Spring integration for MyBatis 3

* [jOOQ/jOOR](https://github.com/jOOQ/jOOR) -  jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Other languages have much simpler constructs to access type meta information at runtime. Let us make Java reflection better.

* [apache/avro](https://github.com/apache/avro) - Apache Avro is a data serialization system.

* [AnySoftKeyboard/AnySoftKeyboard](https://github.com/AnySoftKeyboard/AnySoftKeyboard) - Android (f/w 2.1+) on screen keyboard for multiple languages.

* [Twitter4J/Twitter4J](https://github.com/Twitter4J/Twitter4J) - Twitter4J is an open-source Java library for the Twitter API.

* [brianway/webporter](https://github.com/brianway/webporter) - 基于 webmagic 的 Java 爬虫应用

* [oracle/visualvm](https://github.com/oracle/visualvm) - VisualVM is an All-in-One Java Troubleshooting Tool

* [apache/maven-mvnd](https://github.com/apache/maven-mvnd) - Apache Maven Daemon

* [chanjarster/weixin-java-tools](https://github.com/chanjarster/weixin-java-tools) - 微信公众号、企业号Java SDK

* [real-logic/agrona](https://github.com/real-logic/agrona) - High Performance data structures and utility methods for Java

* [lizhangqu/CoreLink](https://github.com/lizhangqu/CoreLink) - Android 开发中的日常积累

* [spotify/dockerfile-maven](https://github.com/spotify/dockerfile-maven) - MATURE: A set of Maven tools for dealing with Dockerfiles

* [Yalantis/GuillotineMenu-Android](https://github.com/Yalantis/GuillotineMenu-Android) - Neat library, that provides a simple way to implement guillotine-styled animation

* [kabouzeid/Phonograph](https://github.com/kabouzeid/Phonograph) - A material designed music player for Android

* [amitshekhariitbhu/android-developer-roadmap](https://github.com/amitshekhariitbhu/android-developer-roadmap) - Android Developer Roadmap - A complete roadmap to learn Android App Development

* [thymeleaf/thymeleaf](https://github.com/thymeleaf/thymeleaf) - Thymeleaf is a modern server-side Java template engine for both web and standalone environments.

* [JsonChao/Awesome-WanAndroid](https://github.com/JsonChao/Awesome-WanAndroid) - :zap:致力于打造一款极致体验的 http://www.wanandroid.com/ 客户端，知识和美是可以并存的哦QAQn(*≧▽≦*)n

* [sannies/mp4parser](https://github.com/sannies/mp4parser) - A Java API to read, write and create MP4 files

* [spring-projects/spring-loaded](https://github.com/spring-projects/spring-loaded) - Java agent that enables class reloading in a running JVM

* [Wisser/Jailer](https://github.com/Wisser/Jailer) - Database Subsetting and Relational Data Browsing Tool.

* [karma9874/AndroRAT](https://github.com/karma9874/AndroRAT) - A Simple android remote administration tool using sockets. It uses java on the client side and python on the server side

* [google/truth](https://github.com/google/truth) - Fluent assertions for Java and Android

* [internetarchive/heritrix3](https://github.com/internetarchive/heritrix3) - Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project.

* [xerial/sqlite-jdbc](https://github.com/xerial/sqlite-jdbc) - SQLite JDBC Driver

* [Krupen/FabulousFilter](https://github.com/Krupen/FabulousFilter) - Android library to animate Floating Action Button to Bottom Sheet Dialog and vice-versa

* [r0adkll/Slidr](https://github.com/r0adkll/Slidr) - Easily add slide to dismiss functionality to an Activity

* [cucumber/cucumber-jvm](https://github.com/cucumber/cucumber-jvm) - Cucumber for the JVM

* [egzosn/pay-java-parent](https://github.com/egzosn/pay-java-parent) - 第三方支付对接全能支付Java开发工具包.优雅的轻量级支付模块集成支付对接支付整合（微信,支付宝,银联,友店,富友,跨境支付paypal,payoneer(P卡派安盈)易极付）app,扫码,网页刷脸付刷卡付条码付转账服务商模式,微信分账,微信合单支付、支持多种支付类型多支付账户，支付与业务完全剥离，简单几行代码即可实现支付，简单快速完成支付模块的开发，可轻松嵌入到任何系统里 目前仅是一个开发工具包（即SDK），只提供简单Web实现，建议使用maven或gradle引用本项目即可使用本SDK提供的各种支付相关的功能

* [Qihoo360/ArgusAPM](https://github.com/Qihoo360/ArgusAPM) - Powerful, comprehensive (Android) application performance management platform. 360线上移动性能检测平台

* [federicoiosue/Omni-Notes](https://github.com/federicoiosue/Omni-Notes) - Open source note-taking application for Android

* [tdebatty/java-string-similarity](https://github.com/tdebatty/java-string-similarity) - Implementation of various string similarity and distance algorithms: Levenshtein, Jaro-winkler, n-Gram, Q-Gram, Jaccard index, Longest Common Subsequence edit distance, cosine similarity ...

* [portfolio-performance/portfolio](https://github.com/portfolio-performance/portfolio) - Track and evaluate the performance of your investment portfolio across stocks, cryptocurrencies, and other assets.

* [spotify/docker-maven-plugin](https://github.com/spotify/docker-maven-plugin) - INACTIVE: A maven plugin for Docker

* [RodneyShag/HackerRank_solutions](https://github.com/RodneyShag/HackerRank_solutions) - 317 efficient solutions to HackerRank problems

* [FudanNLP/fnlp](https://github.com/FudanNLP/fnlp) - 中文自然语言处理工具包 Toolkit for Chinese natural language processing

* [classgraph/classgraph](https://github.com/classgraph/classgraph) - An uber-fast parallelized Java classpath scanner and module scanner.

* [Haleydu/Cimoc](https://github.com/Haleydu/Cimoc) - 漫画阅读器

* [yingLanNull/ShadowImageView](https://github.com/yingLanNull/ShadowImageView) - 🔥可以根据图片内容变阴影颜色，更加细腻的阴影效果  It can change color according to the picture, more delicate shadow effect

* [apache/incubator-fury](https://github.com/apache/incubator-fury) - A blazingly fast multi-language serialization framework powered by JIT and zero-copy.

* [JetBrains/skija](https://github.com/JetBrains/skija) - Java bindings for Skia

* [VerbalExpressions/JavaVerbalExpressions](https://github.com/VerbalExpressions/JavaVerbalExpressions) - Java regular expressions made easy.

* [spring-projects/spring-batch](https://github.com/spring-projects/spring-batch) - Spring Batch is a framework for writing batch applications using Java and Spring

* [mongodb/mongo-java-driver](https://github.com/mongodb/mongo-java-driver) - The official MongoDB drivers for Java, Kotlin, and Scala

* [vdurmont/emoji-java](https://github.com/vdurmont/emoji-java) - The missing emoji library for Java :heart:

* [bytedeco/javacpp-presets](https://github.com/bytedeco/javacpp-presets) - The missing Java distribution of native C++ libraries

* [RaiMan/SikuliX1](https://github.com/RaiMan/SikuliX1) - SikuliX version 2.0.0+ (2019+)

* [PlayEdu/PlayEdu](https://github.com/PlayEdu/PlayEdu) - 100%开源的企业培训系统，界面美观，操作简单，一键部署您的私有化培训平台！

* [starcwang/easy_javadoc](https://github.com/starcwang/easy_javadoc) - IntelliJ IDEA 插件，自动生成javadoc文档注释

* [Guardsquare/proguard](https://github.com/Guardsquare/proguard) - ProGuard, Java optimizer and obfuscator

* [Kong/unirest-java](https://github.com/Kong/unirest-java) - Unirest in Java: Simplified, lightweight HTTP client library.

* [Ramotion/paper-onboarding-android](https://github.com/Ramotion/paper-onboarding-android) - :octocat: PaperOnboarding is a material design slider made by @Ramotion

* [apache/netbeans](https://github.com/apache/netbeans) - Apache NetBeans

* [assertj/assertj](https://github.com/assertj/assertj) - AssertJ is a library providing easy to use rich typed assertions

* [Jackson0714/PassJava-Platform](https://github.com/Jackson0714/PassJava-Platform) - 一款面试刷题的 Spring Cloud 开源系统。零碎时间利用小程序查看常见面试题，夯实Java基础。 该项目可以教会你如何搭建SpringBoot项目，Spring Cloud项目。 采用流行的技术，如 SpringBoot、MyBatis、Redis、 MySql、 MongoDB、 RabbitMQ、Elasticsearch，采用Docker容器化部署。

* [threedr3am/learnjavabug](https://github.com/threedr3am/learnjavabug) - Java安全相关的漏洞和技术demo，原生Java、Fastjson、Jackson、Hessian2、XML反序列化漏洞利用和Spring、Dubbo、Shiro、CAS、Tomcat、RMI、Nexus等框架\中间件\功能的exploits以及Java Security Manager绕过、Dubbo-Hessian2安全加固等等实践代码。

* [nutzam/nutz](https://github.com/nutzam/nutz) - Nutz -- Web Framework(Mvc/Ioc/Aop/Dao/Json) for ALL Java developer

* [javaee-samples/javaee7-samples](https://github.com/javaee-samples/javaee7-samples) - Java EE 7 Samples

* [apache/logging-flume](https://github.com/apache/logging-flume) - Mirror of Apache Flume

* [liyiorg/weixin-popular](https://github.com/liyiorg/weixin-popular) - 微信SDK  JAVA  (公众平台、开放平台、 商户平台、 服务商平台)

* [eclipsesource/J2V8](https://github.com/eclipsesource/J2V8) - Java Bindings for V8

* [drewnoakes/metadata-extractor](https://github.com/drewnoakes/metadata-extractor) - Extracts Exif, IPTC, XMP, ICC and other metadata from image, video and audio files

* [konsoletyper/teavm](https://github.com/konsoletyper/teavm) - Compiles Java bytecode to JavaScript, WebAssembly and C

* [xtuhcy/gecco](https://github.com/xtuhcy/gecco) - Easy to use lightweight web crawler（易用的轻量化网络爬虫）

* [Athou/commafeed](https://github.com/Athou/commafeed) - Google Reader inspired self-hosted RSS reader.

* [bonigarcia/webdrivermanager](https://github.com/bonigarcia/webdrivermanager) - Automated driver management and other helper features for Selenium WebDriver in Java

* [balysv/material-menu](https://github.com/balysv/material-menu) - Animations for Android L drawer, back, dismiss and check icons

* [huaban/jieba-analysis](https://github.com/huaban/jieba-analysis) - 结巴分词(java版)

* [square/tape](https://github.com/square/tape) - A lightning fast, transactional, file-based FIFO for Android and Java.

* [88250/symphony](https://github.com/88250/symphony) - 🎶 一款用 Java 实现的现代化社区（论坛/问答/BBS/社交网络/博客）系统平台。A modern community (forum/Q&A/BBS/SNS/blog) system platform implemented in Java. https://ld246.com

* [hierynomus/sshj](https://github.com/hierynomus/sshj) - ssh, scp and sftp for java

* [caoxinyu/RedisClient](https://github.com/caoxinyu/RedisClient) - Java Redis Client GUI Tool

* [alibaba/jvm-sandbox-repeater](https://github.com/alibaba/jvm-sandbox-repeater) -  A Java server-side recording and playback solution based on JVM-Sandbox

* [doublechaintech/scm-biz-suite](https://github.com/doublechaintech/scm-biz-suite) - 供应链中台系统基础版，集成零售管理, 电子商务, 供应链管理,  财务管理, 车队管理, 仓库管理, 人员管理, 产品管理, 订单管理, 会员管理, 连锁店管理, 加盟管理, 前端React/Ant Design, 后端Java Spring+自有开源框架，全面支持MySQL, PostgreSQL, 全面支持国产数据库南大通用GBase 8s,通过REST接口调用，前后端完全分离。

* [erupts/erupt](https://github.com/erupts/erupt) - 🚀 General data management framework, objects are pages

* [apache/parquet-mr](https://github.com/apache/parquet-mr) - Apache Parquet

* [apache/pdfbox](https://github.com/apache/pdfbox) - Mirror of Apache PDFBox

* [sofastack/sofa-bolt](https://github.com/sofastack/sofa-bolt) - SOFABolt is a lightweight, easy to use and high performance remoting framework based on Netty.

* [googlemaps-samples/android-samples](https://github.com/googlemaps-samples/android-samples) - Samples demonstrating how to use Maps SDK for Android

* [VictorAlbertos/RxCache](https://github.com/VictorAlbertos/RxCache) - Reactive caching library for Android and Java

* [google/jimfs](https://github.com/google/jimfs) - An in-memory file system for Java 7+

* [pac4j/pac4j](https://github.com/pac4j/pac4j) - Security engine for Java (authentication, authorization, multi frameworks): OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...

* [apache/lucene](https://github.com/apache/lucene) - Apache Lucene open-source search software

* [igniterealtime/Smack](https://github.com/igniterealtime/Smack) - A modular and portable open source XMPP client library written in Java for Android and Java (SE) VMs

* [eclipse/eclipse-collections](https://github.com/eclipse/eclipse-collections) - Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

* [connectbot/connectbot](https://github.com/connectbot/connectbot) - ConnectBot is the first SSH client for Android.

* [balysv/material-ripple](https://github.com/balysv/material-ripple) - Android L Ripple effect wrapper for Views

* [Ramotion/cardslider-android](https://github.com/Ramotion/cardslider-android) - :octocat: 🃏 Cardslider is a material design UI controller that allows you to swipe through cards with pictures and accompanying descriptions.

* [hellokaton/30-seconds-of-java8](https://github.com/hellokaton/30-seconds-of-java8) - 30 seconds to collect useful Java 8 snippet.

* [pilgr/Paper](https://github.com/pilgr/Paper) - Paper is a fast NoSQL-like storage for Java/Kotlin objects on Android with automatic schema migration support.

* [rsocket/rsocket-java](https://github.com/rsocket/rsocket-java) - Java implementation of RSocket

* [zeromq/jeromq](https://github.com/zeromq/jeromq) - Pure Java ZeroMQ

* [openzipkin/brave](https://github.com/openzipkin/brave) - Java distributed tracing implementation compatible with Zipkin backend services.

* [casbin/jcasbin](https://github.com/casbin/jcasbin) - An authorization library that supports access control models like ACL, RBAC, ABAC in Java

* [hidroh/materialistic](https://github.com/hidroh/materialistic) - A material-design Hacker News Android reader

* [jellyfin/jellyfin-androidtv](https://github.com/jellyfin/jellyfin-androidtv) - Android TV Client for Jellyfin

* [vladmihalcea/hypersistence-utils](https://github.com/vladmihalcea/hypersistence-utils) - The Hypersistence Utils library (previously known as Hibernate Types) gives you Spring and Hibernate utilities that can help you get the most out of your data access layer.

* [vipshop/Saturn](https://github.com/vipshop/Saturn) - The vip.com's distributed job scheduling platform.

* [JoyChou93/java-sec-code](https://github.com/JoyChou93/java-sec-code) - Java web common vulnerabilities and security code which is base on springboot and spring security

* [qos-ch/slf4j](https://github.com/qos-ch/slf4j) - Simple Logging Facade for Java

* [freeplane/freeplane](https://github.com/freeplane/freeplane) - Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.

* [addthis/stream-lib](https://github.com/addthis/stream-lib) - Stream summarizer and cardinality estimator.

* [apache/activemq](https://github.com/apache/activemq) - Mirror of Apache ActiveMQ

* [Zhaoss/WeiXinRecordedDemo](https://github.com/Zhaoss/WeiXinRecordedDemo) - 仿微信视频拍摄UI, 基于ffmpeg的视频录制编辑

* [sleuthkit/autopsy](https://github.com/sleuthkit/autopsy) - Autopsy® is a digital forensics platform and graphical interface to The Sleuth Kit® and other digital forensics tools. It can be used by law enforcement, military, and corporate examiners to investigate what happened on a computer. You can even use it to recover photos from your camera's memory card.

* [moquette-io/moquette](https://github.com/moquette-io/moquette) - Java MQTT lightweight broker

* [gitblit-org/gitblit](https://github.com/gitblit-org/gitblit) - pure java git solution

* [pf4j/pf4j](https://github.com/pf4j/pf4j) - Plugin Framework for Java (PF4J)

* [apache/incubator-seata-samples](https://github.com/apache/incubator-seata-samples) - Apache Seata(incubating) Samples for Java

* [Yalantis/Euclid](https://github.com/Yalantis/Euclid) - User Profile Interface Animation

* [marytts/marytts](https://github.com/marytts/marytts) - MARY TTS -- an open-source, multilingual text-to-speech synthesis system written in pure java

* [uber/piranha](https://github.com/uber/piranha) - A tool for refactoring code related to feature flag APIs

* [manifold-systems/manifold](https://github.com/manifold-systems/manifold) - Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.

* [sarxos/webcam-capture](https://github.com/sarxos/webcam-capture) - The goal of this project is to allow integrated or USB-connected webcams to be accessed directly from Java. Using provided libraries users are able to read camera images and detect motion. Main project consist of several sub projects - the root one, which contains required classes, build-in webcam driver compatible with Windows, Linux and Mac OS, which can stream images as fast as your camera can serve them (up to 50 FPS). Main project can be used standalone, but user is able to replace build-in driver with different one - such as OpenIMAJ, GStreamer, V4L4j, JMF, LTI-CIVIL, FMJ, etc.

* [steelkiwi/cropiwa](https://github.com/steelkiwi/cropiwa) - 📐 Configurable Custom Crop widget for Android

* [apilayer/restcountries](https://github.com/apilayer/restcountries) - Get information about countries via a RESTful API

* [Yalantis/Horizon](https://github.com/Yalantis/Horizon) - Horizon - Simple visual equaliser for Android

* [tlaplus/tlaplus](https://github.com/tlaplus/tlaplus) - TLC is a model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+.

* [timusus/Shuttle](https://github.com/timusus/Shuttle) - Shuttle Music Player

* [HotswapProjects/HotswapAgent](https://github.com/HotswapProjects/HotswapAgent) - Java unlimited redefinition of classes at runtime.

* [find-sec-bugs/find-sec-bugs](https://github.com/find-sec-bugs/find-sec-bugs) - The SpotBugs plugin for security audits of Java web applications and Android applications. (Also work with Kotlin, Groovy and Scala projects)

* [mabe02/lanterna](https://github.com/mabe02/lanterna) - Java library for creating text-based GUIs

* [LogNet/grpc-spring-boot-starter](https://github.com/LogNet/grpc-spring-boot-starter) - Spring Boot starter module for gRPC  framework.

* [anitaa1990/Android-Cheat-sheet](https://github.com/anitaa1990/Android-Cheat-sheet) - Cheat Sheet for Android Interviews

* [vsch/flexmark-java](https://github.com/vsch/flexmark-java) - CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DOCX  conversion modules.

* [commonmark/commonmark-java](https://github.com/commonmark/commonmark-java) - Java library for parsing and rendering CommonMark (Markdown)

* [shyiko/mysql-binlog-connector-java](https://github.com/shyiko/mysql-binlog-connector-java) - MySQL Binary Log connector

* [UniversalMediaServer/UniversalMediaServer](https://github.com/UniversalMediaServer/UniversalMediaServer) - A DLNA, UPnP and HTTP(S) Media Server.

* [ethereum/ethereumj](https://github.com/ethereum/ethereumj) - DEPRECATED! Java implementation of the Ethereum yellowpaper. For JSON-RPC and other client features check Ethereum Harmony

* [Azure/azure-sdk-for-java](https://github.com/Azure/azure-sdk-for-java) - This repository is for active development of the Azure SDK for Java. For consumers of the SDK we recommend visiting our public developer docs at https://docs.microsoft.com/java/azure/ or our versioned developer docs at https://azure.github.io/azure-sdk-for-java.

* [avjinder/Minimal-Todo](https://github.com/avjinder/Minimal-Todo) - Material To-Do App

* [bcgit/bc-java](https://github.com/bcgit/bc-java) - Bouncy Castle Java Distribution (Mirror)

* [bucket4j/bucket4j](https://github.com/bucket4j/bucket4j) - Java rate limiting library based on token-bucket algorithm.

* [jobrunr/jobrunr](https://github.com/jobrunr/jobrunr) - An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.

* [web3j/web3j](https://github.com/web3j/web3j) - Lightweight Java and Android library for integration with Ethereum clients

* [gaopu/Java](https://github.com/gaopu/Java) - 一些用Java写的小东西（没什么用，大家不要star了😄）

* [functionaljava/functionaljava](https://github.com/functionaljava/functionaljava) - Functional programming in Java

* [j256/ormlite-android](https://github.com/j256/ormlite-android) - ORMLite Android functionality used in conjunction with ormlite-core

* [graphhopper/jsprit](https://github.com/graphhopper/jsprit) - jsprit is a java based, open source toolkit for solving rich vehicle routing problems

* [bramp/ffmpeg-cli-wrapper](https://github.com/bramp/ffmpeg-cli-wrapper) - Java wrapper around the FFmpeg command line tool

* [j-easy/easy-random](https://github.com/j-easy/easy-random) - The simple, stupid random Java beans/records generator

* [dromara/forest](https://github.com/dromara/forest) - A high-level and lightweight declarative HTTP client framework for Java. it makes sending HTTP requests in Java easier.

* [RuedigerMoeller/fast-serialization](https://github.com/RuedigerMoeller/fast-serialization) - FST: fast java serialization drop in-replacement

* [itext/itextpdf](https://github.com/itext/itextpdf) - [DEPRECATED] Core Java Library + PDF/A, xtra and XML Worker. Only security fixes will be added — please use iText 7

* [schemacrawler/SchemaCrawler](https://github.com/schemacrawler/SchemaCrawler) - Free database schema discovery and comprehension tool

* [jrvansuita/MaterialAbout](https://github.com/jrvansuita/MaterialAbout) - 🔖 It's a material-design about screen to use on your Android apps. A developer profile and application information easy to integrate.

* [JonathanLink/PDFLayoutTextStripper](https://github.com/JonathanLink/PDFLayoutTextStripper) - Converts a pdf file into a text file while keeping the layout of the original pdf. Useful to extract the content from a table in a pdf file for instance. This is a subclass of PDFTextStripper class (from the Apache PDFBox library).

* [Qbian61/forum-java](https://github.com/Qbian61/forum-java) - 一款用 Java（spring boot） 实现的现代化社区（论坛/问答/BBS/社交网络/博客）系统平台。A modern community (forum/Q&A/BBS/SNS/blog) system platform implemented in Java（spring boot）.

* [sofastack/sofa-ark](https://github.com/sofastack/sofa-ark) - SOFAArk is a light-weight，java based classloader isolation framework.

* [crossbario/autobahn-java](https://github.com/crossbario/autobahn-java) - WebSocket & WAMP in Java for Android and Java 8

* [bazaarvoice/jolt](https://github.com/bazaarvoice/jolt) - JSON to JSON transformation library written in Java.

* [opensourceBIM/BIMserver](https://github.com/opensourceBIM/BIMserver) - The open source BIMserver platform

* [spring-projects/spring-statemachine](https://github.com/spring-projects/spring-statemachine) - Spring Statemachine is a framework for application developers to use state machine concepts with Spring.

* [fuzhengwei/interview](https://github.com/fuzhengwei/interview) - Java 面经手册，全书共计 5 章 29 节，417页11.5万字，耗时 4 个月完成。涵盖数据结构、算法逻辑、并发编程、JVM以及简历和互联网大厂面试等内容。

* [fengjiachun/Jupiter](https://github.com/fengjiachun/Jupiter) - Jupiter是一款性能非常不错的, 轻量级的分布式服务框架

* [SeldonIO/seldon-server](https://github.com/SeldonIO/seldon-server) - Machine Learning Platform and Recommendation Engine built on Kubernetes

* [knowm/XChart](https://github.com/knowm/XChart) - XChart is a light-weight Java library for plotting data.

* [google/flogger](https://github.com/google/flogger) - A Fluent Logging API for Java

* [Yalantis/pull-to-make-soup](https://github.com/Yalantis/pull-to-make-soup) - Custom animated pull-to-refresh that can be easily added to RecyclerView

* [cincheo/jsweet](https://github.com/cincheo/jsweet) - A Java to JavaScript transpiler.

* [mitre/HTTP-Proxy-Servlet](https://github.com/mitre/HTTP-Proxy-Servlet) - Smiley's HTTP Proxy implemented as a Java servlet

* [semicons/java_oci_manage](https://github.com/semicons/java_oci_manage) - R探长Bot(oracle云/azure云)

* [DSheirer/sdrtrunk](https://github.com/DSheirer/sdrtrunk) - A cross-platform java application for decoding, monitoring, recording and streaming trunked mobile and related radio protocols using Software Defined Radios (SDR).  Website:

* [bootique/bootique](https://github.com/bootique/bootique) - Bootique is a minimally opinionated platform for modern runnable Java apps.

* [galenframework/galen](https://github.com/galenframework/galen) - Layout and functional testing framework for websites

* [square/retrofit](https://github.com/square/retrofit) - A type-safe HTTP client for Android and the JVM

* [lettuce-io/lettuce-core](https://github.com/lettuce-io/lettuce-core) - Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.

* [medcl/elasticsearch-analysis-ik](https://github.com/medcl/elasticsearch-analysis-ik) - The IK Analysis plugin integrates Lucene IK analyzer into elasticsearch, support customized dictionary.

* [apache/flume](https://github.com/apache/flume) - Mirror of Apache Flume

* [pedroSG94/RootEncoder](https://github.com/pedroSG94/RootEncoder) - RootEncoder for Android (rtmp-rtsp-stream-client-java) is a stream encoder to push video/audio to media servers using protocols RTMP, RTSP and SRT with all code written in Java/Kotlin

* [jeecgboot/jeecg](https://github.com/jeecgboot/jeecg) - JEECG是一款基于代码生成器的J2EE快速开发平台，开源界“小普元”超越传统商业企业级开发平台。引领新的开发模式(Online Coding模式(自定义表单) - > 代码生成器模式 - > 手工MERGE智能开发)， 可以帮助解决Java项目90%的重复工作，让开发更多关注业务逻辑。既能快速提高开发效率，帮助公司节省人力成本，同时又不失灵活性。具备：表单配置能力（无需编码）、移动配置能力、工作流配置能力、报表配置能力（支持移动端）、插件开发能力（可插拔）

* [hekailiang/squirrel](https://github.com/hekailiang/squirrel) - squirrel-foundation is a State Machine library, which provided a lightweight, easy use, type safe and programmable state machine implementation for Java.

* [amaembo/streamex](https://github.com/amaembo/streamex) - Enhancing Java Stream API

* [searchbox-io/Jest](https://github.com/searchbox-io/Jest) - Elasticsearch Java Rest Client.

* [apache/mahout](https://github.com/apache/mahout) - Mirror of Apache Mahout

* [prometheus/client_java](https://github.com/prometheus/client_java) - Prometheus instrumentation library for JVM applications

* [cymcsg/UltimateAndroid](https://github.com/cymcsg/UltimateAndroid) - UltimateAndroid is a rapid development framework for developing your apps

* [spotify/helios](https://github.com/spotify/helios) - Docker container orchestration platform

* [qiujiayu/AutoLoadCache](https://github.com/qiujiayu/AutoLoadCache) -   AutoLoadCache 是基于AOP+Annotation等技术实现的高效的缓存管理解决方案，实现缓存与业务逻辑的解耦，并增加异步刷新及“拿来主义机制”，以适应高并发环境下的使用。

* [Muddz/StyleableToast](https://github.com/Muddz/StyleableToast) - [Moved to MavenCentral] An Android library that takes the standard toast to the next level with many styling options. Works on all Android versions.

* [speedment/speedment](https://github.com/speedment/speedment) - Speedment is a Stream ORM Java Toolkit and Runtime

* [1024-lab/smart-admin](https://github.com/1024-lab/smart-admin) - SmartAdmin国内首个以「高质量代码」为核心，「简洁、高效、安全」快速开发平台；基于SpringBoot + Sa-Token + Mybatis-Plus 和 Vue3 + Vite5 + Ant Design Vue 4.x (同时支持JavaScript和TypeScript双版本)；满足国家三级等保要求、支持登录限制、接口数据国产加解密、高防SQL注入等一系列安全体系。

* [hamcrest/JavaHamcrest](https://github.com/hamcrest/JavaHamcrest) - Java (and original) version of Hamcrest

* [scalad/Note](https://github.com/scalad/Note) - 常规Java工具，算法，加密，数据库，面试题，源代码分析，解决方案

* [julian-klode/dns66](https://github.com/julian-klode/dns66) - DNS-based Host Blocker (and lightweight ad blocker) for Android

* [Ramotion/android-ui-animation-components-and-libraries](https://github.com/Ramotion/android-ui-animation-components-and-libraries) - Android UI libraries, components and animations by @ramotion

* [SonicCloudOrg/sonic-agent](https://github.com/SonicCloudOrg/sonic-agent) - 🎉Agent of Sonic cloud real machine platform. Sonic云真机平台Agent端。

* [DozerMapper/dozer](https://github.com/DozerMapper/dozer) - Dozer is a Java Bean to Java Bean mapper that recursively copies data from one object to another.

* [jOOQ/jOOL](https://github.com/jOOQ/jOOL) - jOOλ - The Missing Parts in Java 8 jOOλ improves the JDK libraries in areas where the Expert Group's focus was elsewhere. It adds tuple support, function support, and a lot of additional functionality around sequential Streams. The JDK 8's main efforts (default methods, lambdas, and the Stream API) were focused around maintaining backwards compatibility and implementing a functional API for parallelism.

* [Froussios/Intro-To-RxJava](https://github.com/Froussios/Intro-To-RxJava) - An extensive tutorial on RxJava

* [apache/ambari](https://github.com/apache/ambari) - Apache Ambari simplifies provisioning, managing, and monitoring of Apache Hadoop clusters.

* [fossasia/pslab-android](https://github.com/fossasia/pslab-android) - PSLab Android App https://play.google.com/store/apps/details?id=io.pslab

* [CarpenterLee/JavaLambdaInternals](https://github.com/CarpenterLee/JavaLambdaInternals) - 深入理解Java函数式编程和Streams API

* [apache/tika](https://github.com/apache/tika) - The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).

* [a466350665/smart-sso](https://github.com/a466350665/smart-sso) - springboot SSO 单点登录，OAuth2实现，支持App登录，支持分布式

* [yzcheng90/X-SpringBoot](https://github.com/yzcheng90/X-SpringBoot) - X-SpringBoot是一个轻量级的Java快速开发平台，能快速开发项目并交付【接私活利器】

* [Ramotion/expanding-collection-android](https://github.com/Ramotion/expanding-collection-android) - :octocat: ExpandingCollection is a material design card peek/pop controller. Android UI Library made by @Ramotion

* [aws/aws-sdk-java-v2](https://github.com/aws/aws-sdk-java-v2) - The official AWS SDK for Java - Version 2

* [Minestom/Minestom](https://github.com/Minestom/Minestom) - 1.20.4 Lightweight Minecraft server

* [FabricMC/fabric](https://github.com/FabricMC/fabric) - Essential hooks for modding with Fabric.

* [noear/solon](https://github.com/noear/solon) - 🔥 New Java application development framework: FASTER, SMALLER, SIMPLER!! Startup is 5-10 times faster. 2 ~ 3 times higher qps; Runtime memory saving 1/3 ~ 1/2; Packs can be shrunk to 1/2 to 1/10

* [eclipse/paho.mqtt.java](https://github.com/eclipse/paho.mqtt.java) - Eclipse Paho Java MQTT client library.  Paho is an Eclipse IoT project.

* [DreamCats/java-notes](https://github.com/DreamCats/java-notes) - 自己的学习笔记。包含：个人秋招经历、🐂客面经问题按照频率总结、Java一系列知识、数据库、分布式、微服务、前端、技术面试、每日文章等(持续更新)

* [yangzongzhuan/RuoYi-Vue](https://github.com/yangzongzhuan/RuoYi-Vue) - :tada: (RuoYi)官方仓库 基于SpringBoot，Spring Security，JWT，Vue & Element 的前后端分离权限管理系统，同时提供了 Vue3 的版本

* [TakahikoKawasaki/nv-websocket-client](https://github.com/TakahikoKawasaki/nv-websocket-client) - High-quality WebSocket client implementation in Java.

* [liuyubobobo/Play-with-Data-Structures](https://github.com/liuyubobobo/Play-with-Data-Structures) - Codes of my MOOC Course . Updated contents and practices are also included. 我在慕课网上的课程《Java语言玩转数据结构》示例代码。课程的更多更新内容及辅助练习也将逐步添加进这个代码仓。

* [protostuff/protostuff](https://github.com/protostuff/protostuff) - Java serialization library, proto compiler, code generator

* [plutext/docx4j](https://github.com/plutext/docx4j) - JAXB-based Java library for Word docx, Powerpoint pptx, and Excel xlsx files

* [airsonic/airsonic](https://github.com/airsonic/airsonic) -  :satellite: :cloud: :notes:Airsonic, a Free and Open Source community driven media server (fork of Subsonic and Libresonic)

* [p6spy/p6spy](https://github.com/p6spy/p6spy) - P6Spy is a framework that enables database data to be seamlessly intercepted and logged with no code changes to the application.

* [zhegexiaohuozi/SeimiCrawler](https://github.com/zhegexiaohuozi/SeimiCrawler) - 一个简单、敏捷、分布式的支持SpringBoot的Java爬虫框架;An agile, distributed crawler framework.

* [qiurunze123/threadandjuc](https://github.com/qiurunze123/threadandjuc) - ⭐⭐⭐⭐高并发-高可靠-高性能three-high-import导入系统-高并发多线程进阶

* [sanluan/PublicCMS](https://github.com/sanluan/PublicCMS) - More than 2 million lines of code modification continuously iterated for 7 years to modernize java cms, easily supporting tens of millions of data, tens of millions of PV; Support static, server side includes; Currently has 0.0005% of the world's users (w3techs provided data), language support in Chinese, Japanese, English

* [boylegu/SpringBoot-vue](https://github.com/boylegu/SpringBoot-vue) - A example demo base SpringBooot with vueJS2.x + webpack2.x as Java full stack web practice

* [javahongxi/whatsmars](https://github.com/javahongxi/whatsmars) - Java生态研究(Spring Boot + Redis + Dubbo + RocketMQ + Elasticsearch)🔥🔥🔥🔥🔥

* [Yalantis/StarWars.Android](https://github.com/Yalantis/StarWars.Android) - This component implements transition animation to crumble view into tiny pieces.

* [ysc/QuestionAnsweringSystem](https://github.com/ysc/QuestionAnsweringSystem) - QuestionAnsweringSystem是一个Java实现的人机问答系统，能够自动分析问题并给出候选答案。

* [flutter/flutter-intellij](https://github.com/flutter/flutter-intellij) - Flutter Plugin for IntelliJ

* [spring-cloud/spring-cloud-config](https://github.com/spring-cloud/spring-cloud-config) - External configuration (server and client) for Spring Cloud

* [hncboy/ai-beehive](https://github.com/hncboy/ai-beehive) - AI 蜂巢，基于 Java 使用 Spring Boot 3 和 JDK 17，支持的功能有 ChatGPT、OpenAi Image、Midjourney、NewBing、文心一言等等

* [exchange-core/exchange-core](https://github.com/exchange-core/exchange-core) - Ultra-fast matching engine written in Java based on LMAX Disruptor, Eclipse Collections, Real Logic Agrona, OpenHFT, LZ4 Java, and Adaptive Radix Trees.

* [yaphone/itchat4j](https://github.com/yaphone/itchat4j) - itchat4j -- 用Java扩展个人微信号的能力

* [cbeust/jcommander](https://github.com/cbeust/jcommander) - Command line parsing framework for Java

* [ta4j/ta4j](https://github.com/ta4j/ta4j) - A Java library for technical analysis.

* [testng-team/testng](https://github.com/testng-team/testng) - TestNG testing framework

* [ninjaframework/ninja](https://github.com/ninjaframework/ninja) - Ninja is a full stack web framework for Java. Rock solid, fast and super productive.

* [lets-mica/mica](https://github.com/lets-mica/mica) - Spring Cloud 微服务开发核心工具集。工具类、验证码、http、redis、ip2region、xss 等，开箱即用。 🔝 🔝 记得右上角点个star 关注更新！

* [youseries/ureport](https://github.com/youseries/ureport) - UReport2 is a high-performance pure Java report engine based on Spring architecture, where complex Chinese-style statements and reports can be prepared by iterating over cells.

* [ZongXR/SuperMarket](https://github.com/ZongXR/SuperMarket) - 设计精良的网上商城系统，包括前端、后端、数据库、负载均衡、数据库缓存、分库分表、读写分离、全文检索、消息队列等，使用SpringCloud框架，基于Java开发。该项目可部署到服务器上，不断完善中……

* [srikanth-lingala/zip4j](https://github.com/srikanth-lingala/zip4j) - A Java library for zip files and streams

* [Luohuayu/CatServer](https://github.com/Luohuayu/CatServer) - 高性能和高兼容性的1.12.2/1.16.5/1.18.2版本Forge+Bukkit+Spigot服务端 (A high performance and high compatibility 1.12.2/1.16.5/1.18.2 version Forge+Bukkit+Spigot server)

* [mercyblitz/thinking-in-spring-boot-samples](https://github.com/mercyblitz/thinking-in-spring-boot-samples) - 小马哥书籍《Spring Boot 编程思想》示例工程

* [Ramotion/circle-menu-android](https://github.com/Ramotion/circle-menu-android) - :octocat: ⭕️ CircleMenu is a simple, elegant UI menu with a circular layout and material design animations. Android UI library made by @Ramotion

* [xuxueli/xxl-sso](https://github.com/xuxueli/xxl-sso) - A distributed single-sign-on framework.（分布式单点登录框架XXL-SSO）

* [flyingsaucerproject/flyingsaucer](https://github.com/flyingsaucerproject/flyingsaucer) - XML/XHTML and CSS 2.1 renderer in pure Java

* [jdbi/jdbi](https://github.com/jdbi/jdbi) - The Jdbi library provides convenient, idiomatic access to relational databases in Java and other JVM technologies such as Kotlin, Clojure or Scala.

* [apache/servicecomb-java-chassis](https://github.com/apache/servicecomb-java-chassis) - ServiceComb Java Chassis is a Software Development Kit (SDK) for rapid development of microservices in Java, providing service registration, service discovery, dynamic routing, and service management features

* [bin392328206/six-finger](https://github.com/bin392328206/six-finger) - 📓从Java基础、JavaWeb基础到常用的框架再到面试题、微服务、分布式、大数据都有完整的教程，几乎涵盖了Java必备的知识点

* [JorenSix/TarsosDSP](https://github.com/JorenSix/TarsosDSP) - A Real-Time Audio Processing Framework in Java

* [apache/drill](https://github.com/apache/drill) - Apache Drill is a distributed MPP query layer for self describing data

* [airbnb/AirMapView](https://github.com/airbnb/AirMapView) - A view abstraction to provide a map user interface with various underlying map providers

* [hapifhir/hapi-fhir](https://github.com/hapifhir/hapi-fhir) - 🔥 HAPI FHIR - Java API for HL7 FHIR Clients and Servers

* [864381832/xJavaFxTool](https://github.com/864381832/xJavaFxTool) - 基于JavaFx搭建的实用小工具集合，方便开发过程中的代码编写与调试，想学习javaFx的同学可以参考参考。其中包括文件复制、Cron表达式生成器、编码转换、加密解密、Time转换、路径转换、二维码生成工具、身份证生成器、正则表达式生成工具、网址缩短、转义字符、字符串转换、Mq调试工具、Http调试工具、json格式化编辑工具、图标生成工具、Redis连接工具、网页源码下载工具、切换Hosts工具、Ftp服务器、Cmd调试工具、Ftp/Ftps/Sftp客户端调试工具、Pdf转换工具、文件列表生成器、图片压缩工具、图片转码工具、Kafka调试工具、Email群发工具、颜色代码转换工具、短信群发工具、脚本引擎调试、文件重命名、Json转换、语音转换、Socket调试、图片解析、微信小程序反编译、Zookeeper操作、Excel拆分合并、文件夹监控、文件编码检测、传输、端口扫描、久坐提醒、随机数生成、剪贴板历史、文件搜索、mp3转换、印章生成等工具

* [devzwy/open_nsfw_android](https://github.com/devzwy/open_nsfw_android) - 🔥🔥🔥色情图片离线识别，基于TensorFlow实现。识别只需20ms,可断网测试，成功率99%，调用只要一行代码，从雅虎的开源项目open_nsfw移植，该模型文件可用于iOS、java、C++等平台

* [liyupi/sql-father-backend-public](https://github.com/liyupi/sql-father-backend-public) - 新项目：快速生成 SQL 和模拟数据的网站（Java 后端），大幅提高开发测试效率！by 程序员鱼皮

* [GlowstoneMC/Glowstone](https://github.com/GlowstoneMC/Glowstone) - A fast, customizable and compatible open source server for Minecraft: Java Edition

* [i2p/i2p.i2p](https://github.com/i2p/i2p.i2p) - I2P is an anonymizing network, offering a simple layer that identity-sensitive applications can use to securely communicate. All data is wrapped with several layers of encryption, and the network is both distributed and dynamic, with no trusted parties.

* [Ramotion/garland-view-android](https://github.com/Ramotion/garland-view-android) - :octocat: ≡ GarlandView seamlessly transitions between multiple lists of content. Made by @Ramotion

* [Yalantis/FlipViewPager.Draco](https://github.com/Yalantis/FlipViewPager.Draco) - This project aims to provide a working page flip implementation for usage in ListView.

* [binarywang/weixin-java-mp-demo](https://github.com/binarywang/weixin-java-mp-demo) - 基于Spring Boot 和 WxJava 实现的微信公众号Java后端Demo，支持多公众号

* [nayuki/Project-Euler-solutions](https://github.com/nayuki/Project-Euler-solutions) - Runnable code for solving Project Euler problems in Java, Python, Mathematica, Haskell.

* [openhab/openhab-addons](https://github.com/openhab/openhab-addons) - Add-ons for openHAB

* [fabric8io/docker-maven-plugin](https://github.com/fabric8io/docker-maven-plugin) - Maven plugin for running and creating Docker images

* [RichardWarburton/java-8-lambdas-exercises](https://github.com/RichardWarburton/java-8-lambdas-exercises) - Exercises and Answers for Java 8 Lambdas book

* [leibnitz27/cfr](https://github.com/leibnitz27/cfr) - This is the public repository for the CFR Java decompiler

* [Peergos/Peergos](https://github.com/Peergos/Peergos) - A p2p, secure file storage, social network and application protocol

* [asciidocfx/AsciidocFX](https://github.com/asciidocfx/AsciidocFX) - Asciidoc Editor and Toolchain written with JavaFX 21 (Build PDF, Epub, Mobi and HTML books, documents and slides)

* [googleapis/google-cloud-java](https://github.com/googleapis/google-cloud-java) - Google Cloud Client Library for Java

* [mendhak/gpslogger](https://github.com/mendhak/gpslogger) - :satellite: Lightweight GPS Logging Application For Android.

* [indy256/codelibrary](https://github.com/indy256/codelibrary) - :gem:Collection of algorithms and data structures

* [redsolution/xabber-android](https://github.com/redsolution/xabber-android) - Open-source XMPP client for Android

* [locationtech/jts](https://github.com/locationtech/jts) - The JTS Topology Suite is a Java library for creating and manipulating vector geometry.

* [danfickle/openhtmltopdf](https://github.com/danfickle/openhtmltopdf) - An HTML to PDF library for the JVM. Based on Flying Saucer and Apache PDF-BOX 2. With SVG image support. Now also with accessible PDF support (WCAG, Section 508, PDF/UA)!

* [waylau/netty-4-user-guide-demos](https://github.com/waylau/netty-4-user-guide-demos) - Netty demos. （Netty 案例大全）

* [openjdk/loom](https://github.com/openjdk/loom) - https://openjdk.org/projects/loom

* [qdrzwd/VideoRecorder](https://github.com/qdrzwd/VideoRecorder) - android视频录制，模仿微视，支持按下录制、抬起暂停。进度条断点显示。

* [apache/poi](https://github.com/apache/poi) - Mirror of Apache POI

* [ZHENFENG13/ssm-demo](https://github.com/ZHENFENG13/ssm-demo) - :banana:Spring+SpringMVC+Mybatis+easyUI实现简单的后台管理系统

* [EsotericSoftware/kryonet](https://github.com/EsotericSoftware/kryonet) -  TCP/UDP client/server library for Java, based on Kryo

* [OryxProject/oryx](https://github.com/OryxProject/oryx) - Oryx 2: Lambda architecture on Apache Spark, Apache Kafka for real-time large scale machine learning

* [notnoop/java-apns](https://github.com/notnoop/java-apns) - Java Apple Push Notification Service Provider

* [dunwu/java-tutorial](https://github.com/dunwu/java-tutorial) - :coffee: 老司机在 Java 技术领域的十年积累。

* [ysc/word](https://github.com/ysc/word) - Java分布式中文分词组件 - word分词

* [Jstarfish/JavaKeeper](https://github.com/Jstarfish/JavaKeeper) - ✍️  Java 工程师必备架构体系知识总结：涵盖分布式、微服务、RPC等互联网公司常用架构，以及数据存储、缓存、搜索等必备技能

* [670848654/SakuraAnime](https://github.com/670848654/SakuraAnime) - 使用jsoup爬取樱花动漫(Yhdm)、嘶哩嘶哩(SiliSili)部分内容编写的第三方Android客户端。

* [EssentialsX/Essentials](https://github.com/EssentialsX/Essentials) - The modern Essentials suite for Spigot and Paper.

* [open-telemetry/opentelemetry-java](https://github.com/open-telemetry/opentelemetry-java) - OpenTelemetry Java SDK

* [jberkel/sms-backup-plus](https://github.com/jberkel/sms-backup-plus) - Backup Android SMS, MMS and call log to Gmail / Gcal / IMAP

* [kilim/kilim](https://github.com/kilim/kilim) - Lightweight threads for Java, with message passing, nio, http and scheduling support.

* [selenide/selenide](https://github.com/selenide/selenide) - Concise UI Tests with Java!

* [winder/Universal-G-Code-Sender](https://github.com/winder/Universal-G-Code-Sender) - A cross-platform G-Code sender for GRBL, Smoothieware, TinyG and G2core.

* [haraldk/TwelveMonkeys](https://github.com/haraldk/TwelveMonkeys) - TwelveMonkeys ImageIO: Additional plug-ins and extensions for Java's ImageIO

* [vaadin/framework](https://github.com/vaadin/framework) - Vaadin 6, 7, 8   is a Java framework for modern Java web applications.

* [itext/itext7](https://github.com/itext/itext7) - iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.

* [uber-common/jvm-profiler](https://github.com/uber-common/jvm-profiler) - JVM Profiler Sending Metrics to Kafka, Console Output or Custom Reporter

* [youseries/urule](https://github.com/youseries/urule) - URULE是一款基于RETE算法的纯Java规则引擎，提供规则集、决策表、决策树、评分卡，规则流等各种规则表现工具及基于网页的可视化设计器，可快速开发出各种复杂业务规则。

* [0Chencc/CTFCrackTools](https://github.com/0Chencc/CTFCrackTools) - China's first CTFTools framework.中国国内首个CTF工具框架,旨在帮助CTFer快速攻克难关

* [techa03/goodsKill](https://github.com/techa03/goodsKill) - 🐉基于SpringCloud 2022.x +Dubbo 3.x构建的模拟秒杀微服务项目，集成了Elasticsearch🔍、Gateway、Mybatis-Plus、Sharding-JDBC等常用开源组件

* [spring-cloud/spring-cloud-sleuth](https://github.com/spring-cloud/spring-cloud-sleuth) - Distributed tracing for spring cloud

* [heinrichreimer/material-intro](https://github.com/heinrichreimer/material-intro) - A simple material design app intro with cool animations and a fluent API.

* [atjiu/pybbs](https://github.com/atjiu/pybbs) - 更实用的Java开发的社区(论坛)，Better use of Java development community (forum)

* [dcevm/dcevm](https://github.com/dcevm/dcevm) - Dynamic Code Evolution VM for Java 7/8

* [liuguangqiang/SwipeBack](https://github.com/liuguangqiang/SwipeBack) - SwipeBack is an android library that can finish a activity by using gesture.

* [jchambers/pushy](https://github.com/jchambers/pushy) - A Java library for sending APNs (iOS/macOS/Safari) push notifications

* [nICEnnnnnnnLee/BilibiliDown](https://github.com/nICEnnnnnnnLee/BilibiliDown) - (GUI-多平台支持) B站 哔哩哔哩 视频下载器。支持稍后再看、收藏夹、UP主视频批量下载|Bilibili Video Downloader 😳

* [komoot/photon](https://github.com/komoot/photon) - an open source geocoder for openstreetmap data

* [kairosdb/kairosdb](https://github.com/kairosdb/kairosdb) - Fast scalable time series database

* [roncoo/spring-boot-demo](https://github.com/roncoo/spring-boot-demo) - Spring Boot的基础教程，由浅入深，一步一步学习Spring Boot，最后学到的不单单是基础！Spring Cloud基础教程请看：https://github.com/roncoo/spring-cloud-demo

* [AndroidIDEOfficial/AndroidIDE](https://github.com/AndroidIDEOfficial/AndroidIDE) - AndroidIDE is an IDE for Android to develop full featured Android apps.

* [OpenHFT/Java-Thread-Affinity](https://github.com/OpenHFT/Java-Thread-Affinity) - Bind a java thread to a given core

* [magefree/mage](https://github.com/magefree/mage) - Magic Another Game Engine

* [eschao/android-PageFlip](https://github.com/eschao/android-PageFlip) - 3D Style Page Flip on Android

* [in28minutes/spring-microservices](https://github.com/in28minutes/spring-microservices) - Microservices using Spring Boot, Spring Cloud, Docker and Kubernetes

* [stagemonitor/stagemonitor](https://github.com/stagemonitor/stagemonitor) - an open source solution to application performance monitoring for java server applications

* [centic9/jgit-cookbook](https://github.com/centic9/jgit-cookbook) - Provides examples and code snippets for the JGit Java Git implementation

* [FreeTymeKiyan/LeetCode-Sol-Res](https://github.com/FreeTymeKiyan/LeetCode-Sol-Res) - Clean, Understandable Solutions and Resources for LeetCode Online Judge Algorithm Problems.

* [xianrendzw/EasyReport](https://github.com/xianrendzw/EasyReport) - A simple and easy to use Web Report System for java.EasyReport是一个简单易用的Web报表工具(支持Hadoop,HBase及各种关系型数据库),它的主要功能是把SQL语句查询出的行列结构转换成HTML表格(Table)，并支持表格的跨行(RowSpan)与跨列(ColSpan)。同时它还支持报表Excel导出、图表显示及固定表头与左边列的功能。

* [jphp-group/jphp](https://github.com/jphp-group/jphp) - JPHP - an implementation of PHP on Java VM

* [GoogleCloudPlatform/java-docs-samples](https://github.com/GoogleCloudPlatform/java-docs-samples) - Java and Kotlin Code samples used on cloud.google.com

* [Discord4J/Discord4J](https://github.com/Discord4J/Discord4J) - Discord4J is a fast, powerful, unopinionated, reactive library to enable quick and easy development of Discord bots for Java, Kotlin, and other JVM languages using the official Discord Bot API.

* [tabulapdf/tabula-java](https://github.com/tabulapdf/tabula-java) - Extract tables from PDF files

* [bravoborja/ReadMoreTextView](https://github.com/bravoborja/ReadMoreTextView) - A Custom TextView with trim text

* [zalando/logbook](https://github.com/zalando/logbook) - An extensible Java library for HTTP request and response logging

* [vigna/fastutil](https://github.com/vigna/fastutil) - fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.

* [openrewrite/rewrite](https://github.com/openrewrite/rewrite) - Automated mass refactoring of source code.

* [opentracing/opentracing-java](https://github.com/opentracing/opentracing-java) - OpenTracing API for Java. 🛑 This library is DEPRECATED! https://github.com/opentracing/specification/issues/163

* [alibaba/compileflow](https://github.com/alibaba/compileflow) - 🎨 core business process engine of Alibaba Halo platform, best process engine for trade scenes. | 一个高性能流程编排引擎

* [Yalantis/Taurus](https://github.com/Yalantis/Taurus) - A little more fun for the pull-to-refresh interaction.

* [LianjiaTech/retrofit-spring-boot-starter](https://github.com/LianjiaTech/retrofit-spring-boot-starter) - A spring-boot starter for retrofit, supports rapid integration and feature enhancements.（适用于retrofit的spring-boot-starter，支持快速集成和功能增强）

* [BroadleafCommerce/BroadleafCommerce](https://github.com/BroadleafCommerce/BroadleafCommerce) - Broadleaf Commerce CE - an eCommerce framework based on Java and Spring

* [npgall/cqengine](https://github.com/npgall/cqengine) - Ultra-fast SQL-like queries on Java collections

* [4thline/cling](https://github.com/4thline/cling) - UPnP/DLNA library for Java and Android

* [spring-projects/spring-data-redis](https://github.com/spring-projects/spring-data-redis) - Provides support to increase developer productivity in Java when using Redis, a key-value store. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.

* [JeffLi1993/java-core-learning-example](https://github.com/JeffLi1993/java-core-learning-example) - 关于Java核心技术学习积累的例子，是初学者及核心技术巩固的最佳实践。

* [Netflix/genie](https://github.com/Netflix/genie) - Distributed Big Data Orchestration Service

* [KikiLetGo/VirusBroadcast](https://github.com/KikiLetGo/VirusBroadcast) - A java virus broadcast simulation

* [googlemaps/google-maps-services-java](https://github.com/googlemaps/google-maps-services-java) - Java client library for Google Maps API Web Services

* [airsquared/blobsaver](https://github.com/airsquared/blobsaver) - A cross-platform GUI and CLI app for automatically saving SHSH blobs

* [kwhat/jnativehook](https://github.com/kwhat/jnativehook) - Global keyboard and mouse listeners for Java.

* [spotify/apollo](https://github.com/spotify/apollo) - Java libraries for writing composable microservices

* [Java-aid/Hackerrank-Solutions](https://github.com/Java-aid/Hackerrank-Solutions) - hackerrank solutions github | hackerrank all solutions | hackerrank solutions for java | hackerrank video tutorial | hackerrank cracking the coding interview solutions | hackerrank data structures  | hackerrank solutions algorithms  | hackerrank challenge | hackerrank coding challenge | hackerrank algorithms solutions github| hackerrank problem solving | hackerrank programs solutions | JAVAAID |all hackerrank solutions | Coding Interview Preparation

* [iqiyi/Qigsaw](https://github.com/iqiyi/Qigsaw) - 🔥🔥Qigsaw ['tʃɪɡsɔ] is a dynamic modularization library which is based on Android App Bundles(Do not need Google Play Service). It supports dynamic delivery for split APKs without reinstalling the base one.

* [open-telemetry/opentelemetry-java-instrumentation](https://github.com/open-telemetry/opentelemetry-java-instrumentation) - OpenTelemetry auto-instrumentation and instrumentation libraries for Java

* [klinker24/talon-twitter-holo](https://github.com/klinker24/talon-twitter-holo) - [Deprecated] The Holo version of my popular Android Talon for Twitter app, 100% open-source

* [jooby-project/jooby](https://github.com/jooby-project/jooby) - The modular web framework for Java and Kotlin

* [Smith-Cruise/Spring-Boot-Shiro](https://github.com/Smith-Cruise/Spring-Boot-Shiro) - Shiro基于SpringBoot +JWT搭建简单的restful服务

* [apache/cloudstack](https://github.com/apache/cloudstack) - Apache CloudStack is an opensource Infrastructure as a Service (IaaS) cloud computing platform

* [INRIA/spoon](https://github.com/INRIA/spoon) - Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.

* [Yalantis/ToDoList](https://github.com/Yalantis/ToDoList) - Micro-Transitions for Smooth Android To-Do List Animations

* [rapidoid/rapidoid](https://github.com/rapidoid/rapidoid) - Rapidoid - Extremely Fast, Simple and Powerful Java Web Framework and HTTP Server!

* [MorphiaOrg/morphia](https://github.com/MorphiaOrg/morphia) - MongoDB object-document mapper in Java based on https://github.com/mongodb/mongo-java-driver

* [pengrad/java-telegram-bot-api](https://github.com/pengrad/java-telegram-bot-api) - Telegram Bot API for Java

* [JosephZhu1983/java-common-mistakes](https://github.com/JosephZhu1983/java-common-mistakes) - 书籍《Java 开发坑点解析：从根因分析到最佳实践》 & 极客时间专栏《Java业务开发常见错误100例》源码

* [codenameone/CodenameOne](https://github.com/codenameone/CodenameOne) - Cross-platform framework for building truly native mobile apps with Java or Kotlin. Write Once Run Anywhere support for iOS, Android, Desktop & Web.

* [geotools/geotools](https://github.com/geotools/geotools) - Official GeoTools repository

* [zfoo-project/zfoo](https://github.com/zfoo-project/zfoo) - 💡Extremely fast enterprise server framework, can be used in RPC,  game server,  web server.

* [majidgolshadi/Android-Download-Manager-Pro](https://github.com/majidgolshadi/Android-Download-Manager-Pro) - Android/Java download manager library help you to download files in parallel mechanism in some chunks.

* [aNNiMON/Lightweight-Stream-API](https://github.com/aNNiMON/Lightweight-Stream-API) - Stream API from Java 8 rewritten on iterators for Java 7 and below

* [java-json-tools/json-schema-validator](https://github.com/java-json-tools/json-schema-validator) - A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order

* [hcoles/pitest](https://github.com/hcoles/pitest) - State of the art mutation testing system for the JVM

* [FlowCI/flow-core-x](https://github.com/FlowCI/flow-core-x) - Powerful and user-friendly CI / CD server with high availability, parallel build, agent scaling

* [mattia-battiston/clean-architecture-example](https://github.com/mattia-battiston/clean-architecture-example) - Clean Architecture Example (Java): Example of what clean architecture would look like (in Java)

* [MyCATApache/Mycat2](https://github.com/MyCATApache/Mycat2) - MySQL Proxy using Java NIO based on Sharding SQL,Calcite ,simple and fast

* [asLody/legend](https://github.com/asLody/legend) - A framework for hook java methods.

* [cachecats/coderiver](https://github.com/cachecats/coderiver) -  致力于打造全平台全栈精品开源项目，计划做成包含  pc 端（Vue、React）、移动 H5（Vue、React）、ReactNative、Flutter、Android 原生、微信小程序、Angular、Node、java 后端的全平台型全栈项目，欢迎关注。

* [metasfresh/metasfresh](https://github.com/metasfresh/metasfresh) - We do Open Source ERP - Fast, Flexible & Free Software to scale your Business.

* [happyfish100/fastdfs-client-java](https://github.com/happyfish100/fastdfs-client-java) - FastDFS java client SDK

* [eclipse-jdtls/eclipse.jdt.ls](https://github.com/eclipse-jdtls/eclipse.jdt.ls) - Java language server

* [shekhargulati/java8-the-missing-tutorial](https://github.com/shekhargulati/java8-the-missing-tutorial) - Java 8 for all of us

* [apache/parquet-format](https://github.com/apache/parquet-format) - Apache Parquet

* [TEAMMATES/teammates](https://github.com/TEAMMATES/teammates) - This is the project website for the TEAMMATES feedback management tool for education

* [spring-projects/spring-data-mongodb](https://github.com/spring-projects/spring-data-mongodb) - Provides support to increase developer productivity in Java when using MongoDB. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.

* [turms-im/turms](https://github.com/turms-im/turms) - 🕊️ The world's most advanced open source instant messaging engine for 100K~10M concurrent users https://turms-im.github.io/docs

* [jwpttcg66/NettyGameServer](https://github.com/jwpttcg66/NettyGameServer) - 使用netty4.X实现的手机游戏分布式服务器,支持tcp,udp,http,websocket链接，采用protobuf自定义协议栈进行网络通信,支持rpc远程调用,使用mybatis3支持db存储分库分表，支持异步mysql存储，db保存时同步更新reids缓存。 使用ExcelToCode工程，将excel数据生成java类和json数据字典，DictService直接读取json，减少数据字典部分代码。使用game-executor工程，增加游戏内的异步事件全局服务, 支持事件sharding,均衡的异步执行事件逻辑

* [PaperMC/Velocity](https://github.com/PaperMC/Velocity) - The modern, next-generation Minecraft server proxy.

* [cloudfoundry/uaa](https://github.com/cloudfoundry/uaa) - CloudFoundry User Account and Authentication (UAA) Server

* [Y4tacker/JavaSec](https://github.com/Y4tacker/JavaSec) - a rep for documenting my study, may be from 0 to 0.1

* [phith0n/JavaThings](https://github.com/phith0n/JavaThings) - Share Things Related to Java - Java安全漫谈笔记相关内容

* [kaikramer/keystore-explorer](https://github.com/kaikramer/keystore-explorer) - KeyStore Explorer is a free GUI replacement for the Java command-line utilities keytool and jarsigner.

* [aimacode/aima-java](https://github.com/aimacode/aima-java) - Java implementation of algorithms from Russell And Norvig's "Artificial Intelligence - A Modern Approach"

* [wangjiegulu/WheelView](https://github.com/wangjiegulu/WheelView) - Android滚动选择控件

* [SundeepK/CompactCalendarView](https://github.com/SundeepK/CompactCalendarView) - An android library which provides a compact calendar view much like the one used in google calenders.

* [jdeferred/jdeferred](https://github.com/jdeferred/jdeferred) - Java Deferred/Promise library similar to JQuery.

* [dain/leveldb](https://github.com/dain/leveldb) - Port of LevelDB to Java

* [mybatis-flex/mybatis-flex](https://github.com/mybatis-flex/mybatis-flex) - mybatis-flex is an elegant Mybatis Enhancement Framework

* [jayZheng87/Thusy](https://github.com/jayZheng87/Thusy) - Java 工具类库；在全面集成 Hutool 上进行工具类二次收集的一个类库

* [moxi624/mogu_blog_v2](https://github.com/moxi624/mogu_blog_v2) - 蘑菇博客(MoguBlog)，一个基于微服务架构的前后端分离博客系统。Web端使用Vue + Element , 移动端使用uniapp和ColorUI。后端使用Spring cloud + Spring boot + mybatis-plus进行开发，使用 Jwt + Spring Security做登录验证和权限校验，使用ElasticSearch和Solr作为全文检索服务，使用Github Actions完成博客的持续集成，使用ELK收集博客日志，文件支持上传七牛云和Minio，支持Docker Compose脚本一键部署。

* [learning-zone/java-basics](https://github.com/learning-zone/java-basics) - Java Basics ( Java-8 )

* [xpipe-io/xpipe](https://github.com/xpipe-io/xpipe) - Your entire server infrastructure at your fingertips

* [netgloo/spring-boot-samples](https://github.com/netgloo/spring-boot-samples) - Spring Boot samples by Netgloo

* [nguyenq/tess4j](https://github.com/nguyenq/tess4j) - Java JNA wrapper for Tesseract OCR API

* [EXALAB/AnLinux-App](https://github.com/EXALAB/AnLinux-App) - AnLinux allow you to run Linux on Android without root access.

* [json-iterator/java](https://github.com/json-iterator/java) - jsoniter (json-iterator) is fast and flexible JSON parser available in Java and Go

* [wupeixuan/JDKSourceCode1.8](https://github.com/wupeixuan/JDKSourceCode1.8) - Jdk1.8源码解析

* [EsotericSoftware/reflectasm](https://github.com/EsotericSoftware/reflectasm) - High performance Java reflection

* [spring-projects/spring-integration](https://github.com/spring-projects/spring-integration) - Spring Integration provides an extension of the Spring programming model to support the well-known Enterprise Integration Patterns (EIP)

* [NLPchina/nlp-lang](https://github.com/NLPchina/nlp-lang) - 这个项目是一个基本包.封装了大多数nlp项目中常用工具

* [tobato/FastDFS_Client](https://github.com/tobato/FastDFS_Client) - Java Client for FastDFS

* [qiujuer/ImageBlurring](https://github.com/qiujuer/ImageBlurring) - Android blurring image(bitmap) by java and jni.

* [MewX/light-novel-library_Wenku8_Android](https://github.com/MewX/light-novel-library_Wenku8_Android) - [CASUALLY MAINTAINED] 轻小说文库 (Wenku8.com) 安卓版第三方公益App，始于2014年的Material Design风格、无广告、不盈利、Google Play上安装包最小的轻小说阅读器(light novel reader)。目前除了网站的API以外，还添加了我自己架的Cloudflare Worker 中继节点用来突破网站API的限制 wenku8-relay.mewx.org.

* [JackJiang2011/beautyeye](https://github.com/JackJiang2011/beautyeye) - BeautyEye is a Java Swing cross-platform look and feel.

* [monkeyWie/proxyee](https://github.com/monkeyWie/proxyee) - HTTP proxy server,support HTTPS&websocket.MITM impl,intercept and tamper HTTPS traffic.

* [LeonardoZ/java-concurrency-patterns](https://github.com/LeonardoZ/java-concurrency-patterns) - Concurrency Patterns and features found in Java, through multithreaded programming. Threads, Locks, Atomics and more.

* [kenglxn/QRGen](https://github.com/kenglxn/QRGen) - a simple QRCode generation api for java built on top ZXING

* [mitreid-connect/OpenID-Connect-Java-Spring-Server](https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server) - An OpenID Connect reference implementation in Java on the Spring platform.

* [kangjianwei/LearningJDK](https://github.com/kangjianwei/LearningJDK) - JDK源码阅读笔记

* [anvil-ui/anvil](https://github.com/anvil-ui/anvil) - Minimal UI library for Android inspired by React

* [mercyblitz/segmentfault-lessons](https://github.com/mercyblitz/segmentfault-lessons) - Segment Fault 在线讲堂 代码工程

* [square/haha](https://github.com/square/haha) - DEPRECATED Java library to automate the analysis of Android heap dumps.

* [yahoo/mysql_perf_analyzer](https://github.com/yahoo/mysql_perf_analyzer) - MySQL performance monitoring and analysis.

* [ebean-orm/ebean](https://github.com/ebean-orm/ebean) - Ebean ORM

* [aws/serverless-java-container](https://github.com/aws/serverless-java-container) - A Java wrapper to run Spring, Spring Boot, Jersey, and other apps inside AWS Lambda.

* [spotify/docker-client](https://github.com/spotify/docker-client) - INACTIVE: A simple docker client for the JVM

* [mmin18/FlexLayout](https://github.com/mmin18/FlexLayout) - A powerful Android layout view that use java expression in layout params to describe relative positions.

* [geogebra/geogebra](https://github.com/geogebra/geogebra) - GeoGebra apps (mirror)

* [kalessil/phpinspectionsea](https://github.com/kalessil/phpinspectionsea) - A Static Code Analyzer for PHP (a PhpStorm/Idea Plugin)

* [jknack/handlebars.java](https://github.com/jknack/handlebars.java) - Logic-less and semantic Mustache templates with Java

* [wfh45678/radar](https://github.com/wfh45678/radar) - 实时风控引擎(Risk Engine)，自定义规则引擎（Rule Script），完美支持中文，适用于反欺诈(Anti-fraud)应用场景，开箱即用！！！移动互联网时代的风险管理利器，你 Get 到了吗？

* [FJ-OMS/oms-erp](https://github.com/FJ-OMS/oms-erp) - 一站式全渠道业务中台系统包括订单管理系统OMS/电商ERP、库存WMS统一管理系统和SAP财务管理系统等，实现快速部署，并帮助企业后续自主进行开发迭代，实现数字化转型，并有多个经典案例。中台系统包括：通用业务中台、强大的技术中台Springcloud/Istio、后续开发方案的设计，技术(K8S,SERVERLESS)及管理人员的培训等。

* [murraco/spring-boot-jwt](https://github.com/murraco/spring-boot-jwt) - JWT auth service using Spring Boot, Spring Security and MySQL

* [jiayaoO3O/18-comic-finder](https://github.com/jiayaoO3O/18-comic-finder) - 禁漫天堂Github Actions下载器🧘

* [devnied/EMV-NFC-Paycard-Enrollment](https://github.com/devnied/EMV-NFC-Paycard-Enrollment) - A Java library used to read and extract data from NFC EMV credit cards (Android/PCSC).

* [hawtio/hawtio](https://github.com/hawtio/hawtio) - Hawtio web console helps you manage your JVM stuff and stay cool!

* [aliyun/aliyun-openapi-java-sdk](https://github.com/aliyun/aliyun-openapi-java-sdk) - Alibaba Cloud SDK for Java

* [spring-attic/spring-data-book](https://github.com/spring-attic/spring-data-book) - Spring Data - The Definitive Guide - Modern Data Access for Enterprise Java Developers

* [cmusphinx/sphinx4](https://github.com/cmusphinx/sphinx4) - Pure Java speech recognition library

* [itwanger/paicoding](https://github.com/itwanger/paicoding) - ⭐️一款好用又强大的开源社区，基于 Spring Boot、MyBatis-Plus、MySQL、Redis、ElasticSearch、MongoDB、Docker、RabbitMQ 等主流技术栈，附详细教程，包括Java、Spring、MySQL、Redis、微服务&分布式、消息队列等核心知识点。学编程，就上技术派😁。

* [pgjdbc/pgjdbc](https://github.com/pgjdbc/pgjdbc) - Postgresql JDBC Driver

* [iTXTech/Daedalus](https://github.com/iTXTech/Daedalus) - No root required Android DNS modifier and Hosts/DNSMasq resolver.

* [hellokaton/learn-java8](https://github.com/hellokaton/learn-java8) - 💖《跟上 Java 8》视频课程源码

* [msgpack/msgpack-java](https://github.com/msgpack/msgpack-java) - MessagePack serializer implementation for Java / msgpack.org[Java]

* [the3deer/android-3D-model-viewer](https://github.com/the3deer/android-3D-model-viewer) - Android OpenGL 2.0 application to view 3D models. Published on Play Store

* [HanSolo/tilesfx](https://github.com/HanSolo/tilesfx) - A JavaFX library containing tiles that can be used for dashboards.

* [electronicarts/ea-async](https://github.com/electronicarts/ea-async) - EA Async implements async-await methods in the JVM.

* [mpetazzoni/ttorrent](https://github.com/mpetazzoni/ttorrent) - BitTorrent Java library with tracker and download client

* [greenrobot/essentials](https://github.com/greenrobot/essentials) - General purpose utilities and hash functions for Android and Java (aka java-common)

* [googleapis/google-http-java-client](https://github.com/googleapis/google-http-java-client) - Google HTTP Client Library for Java

* [jline/jline3](https://github.com/jline/jline3) - JLine is a Java library for handling console input.

* [hyperledger/besu](https://github.com/hyperledger/besu) - An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu

* [shekhargulati/strman-java](https://github.com/shekhargulati/strman-java) - A Java 8 string manipulation library.

* [ron190/jsql-injection](https://github.com/ron190/jsql-injection) - jSQL Injection is a Java application for automatic SQL database injection.

* [ClickHouse/clickhouse-java](https://github.com/ClickHouse/clickhouse-java) - Java client and JDBC driver for ClickHouse

* [lenve/javaboy-code-samples](https://github.com/lenve/javaboy-code-samples) - 公众号【江南一点雨】文章案例汇总，技术文章请戳这里----->

* [cami-la/loops-e-arrays](https://github.com/cami-la/loops-e-arrays) - Repositório do curso Estruturas de Repetição e Arrays com Java. Curso este oferecido pela Digital Innovation one e ministrado por mim.

* [albertlatacz/java-repl](https://github.com/albertlatacz/java-repl) - Read Eval Print Loop for Java

* [ff4j/ff4j](https://github.com/ff4j/ff4j) - Feature Flags for Java made easy

* [wsk1103/Used-Trading-Platform](https://github.com/wsk1103/Used-Trading-Platform) - basice of SSM，基于Java的校园二手交易平台

* [JaceyRx/Examination_System](https://github.com/JaceyRx/Examination_System) - 一个简单的教务查询系统（主要技术SpringMVC + Spring + Mybatis + Shiro + Bootstrap）

* [cuba-platform/cuba](https://github.com/cuba-platform/cuba) - CUBA Platform is a high level framework for enterprise applications development

* [AppliedEnergistics/Applied-Energistics-2](https://github.com/AppliedEnergistics/Applied-Energistics-2) - A Minecraft Mod about Matter, Energy and using them to conquer the world..

* [google/tink](https://github.com/google/tink) - Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

* [Frooodle/Stirling-PDF](https://github.com/Frooodle/Stirling-PDF) - locally hosted web application that allows you to perform various operations on PDF files

* [yuliskov/SmartTubeNext](https://github.com/yuliskov/SmartTubeNext) - SmartTube - an advanced player for set-top boxes and tv running Android OS

* [yidongnan/grpc-spring-boot-starter](https://github.com/yidongnan/grpc-spring-boot-starter) - Spring Boot starter module for gRPC framework.

* [kiegroup/drools](https://github.com/kiegroup/drools) - Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java.

* [eclipse/jetty.project](https://github.com/eclipse/jetty.project) - Eclipse Jetty® - Web Container & Clients - supports HTTP/2, HTTP/1.1, HTTP/1.0, websocket, servlets, and more

* [kiegroup/optaplanner](https://github.com/kiegroup/optaplanner) - AI constraint solver in Java to optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems.

* [googlemaps/android-samples](https://github.com/googlemaps/android-samples) - Samples demonstrating how to use Maps SDK for Android

* [apache/sedona](https://github.com/apache/sedona) - A cluster computing framework for processing large-scale geospatial data

* [alibaba/ali-dbhub](https://github.com/alibaba/ali-dbhub) - 🔥 🔥 🔥 An intelligent and versatile general-purpose SQL client and reporting tool for databases which integrates ChatGPT capabilities.(智能的通用数据库SQL客户端和报表工具)

* [apache/storm](https://github.com/apache/storm) - Mirror of Apache Storm

* [DV8FromTheWorld/JDA](https://github.com/DV8FromTheWorld/JDA) - Java wrapper for the popular chat & VOIP service: Discord https://discord.com

* [buchen/portfolio](https://github.com/buchen/portfolio) - A simple tool to calculate the overall performance of an investment portfolio.

* [chefyuan/algorithm-base](https://github.com/chefyuan/algorithm-base) - 一位酷爱做饭的程序员，立志用动画将算法说的通俗易懂。我的面试网站 www.chengxuchu.com

* [xManager-App/xManager](https://github.com/xManager-App/xManager) - Ad-Free, New Features & Freedom

* [akexorcist/RoundCornerProgressBar](https://github.com/akexorcist/RoundCornerProgressBar) - [Android] Round Corner Progress Bar Library for Android

* [lionsoul2014/ip2region](https://github.com/lionsoul2014/ip2region) - Ip2region (2.0 - xdb) is a offline IP address manager framework and locator, support billions of data segments, ten microsecond searching performance. xdb engine implementation for many programming languages

* [h2pl/Java-Tutorial](https://github.com/h2pl/Java-Tutorial) - 【Java工程师面试复习指南】本仓库涵盖大部分Java程序员所需要掌握的核心知识，整合了互联网上的很多优质Java技术文章，力求打造为最完整最实用的Java开发者学习指南，如果对你有帮助，给个star告诉我吧，谢谢！

* [alibaba/dragonwell8](https://github.com/alibaba/dragonwell8) - Alibaba Dragonwell8 JDK

* [cskefu/cskefu](https://github.com/cskefu/cskefu) - 🌲 春松客服，开源，免费，智能客服系统，机器人客服

* [airbytehq/airbyte](https://github.com/airbytehq/airbyte) - Data integration platform for ELT pipelines from APIs, databases & files to warehouses & lakes.

* [iNPUTmice/Conversations](https://github.com/iNPUTmice/Conversations) - Conversations is an open source XMPP/Jabber client for Android

* [pedroSG94/rtmp-rtsp-stream-client-java](https://github.com/pedroSG94/rtmp-rtsp-stream-client-java) - Library to stream in rtmp and rtsp for Android. All code in Java

* [kestra-io/kestra](https://github.com/kestra-io/kestra) - Kestra is an infinitely scalable orchestration and scheduling platform, creating, running, scheduling, and monitoring millions of complex pipelines.

* [kanwangzjm/funiture](https://github.com/kanwangzjm/funiture) - 慕课网课程推荐 Java并发编程与高并发解决方案：http://coding.imooc.com/class/195.html Java开发企业级权限管理系统：http://coding.imooc.com/class/149.html github: https://github.com/kanwangzjm/funiture, spring项目，权限管理、系统监控、定时任务动态调整、qps限制、sql监控(邮件)、验证码服务、短链接服务、动态配置等

* [cbeust/testng](https://github.com/cbeust/testng) - TestNG testing framework

* [xManager-v2/xManager-Spotify](https://github.com/xManager-v2/xManager-Spotify) - An android application where you can manage and install all versions of the spotify app.

* [atomix/atomix](https://github.com/atomix/atomix) - A reactive Java framework for building fault-tolerant distributed systems

* [gitblit/gitblit](https://github.com/gitblit/gitblit) - pure java git solution

* [vladmihalcea/hibernate-types](https://github.com/vladmihalcea/hibernate-types) - The Hibernate Types library gives you extra types that are not supported by the Hibernate ORM core.

* [MindorksOpenSource/from-java-to-kotlin](https://github.com/MindorksOpenSource/from-java-to-kotlin) - From Java To Kotlin - Your Cheat Sheet For Java To Kotlin

* [zuihou/lamp-cloud](https://github.com/zuihou/lamp-cloud) - lamp-cloud 基于Jdk11 + SpringCloud + SpringBoot的微服务快速开发平台，其中的可配置的SaaS功能尤其闪耀， 具备RBAC功能、网关统一鉴权、Xss防跨站攻击、自动代码生成、多种存储系统、分布式事务、分布式定时任务等多个模块，支持多业务系统并行开发， 支持多服务并行开发，可以作为后端服务的开发脚手架。代码简洁，注释齐全，架构清晰，非常适合学习和企业作为基础框架使用。

* [apache/incubator-linkis](https://github.com/apache/incubator-linkis) - Linkis helps easily connect to various back-end computation/storage engines(Spark, Python, TiDB...), exposes various interfaces(REST, JDBC, Java ...), with multi-tenancy, high performance, and resource control.

* [crate/crate](https://github.com/crate/crate) - CrateDB is a distributed SQL database that makes it simple to store and analyze massive amounts of machine data in real-time.