An open API service indexing awesome lists of open source software.

Java

Java was originally developed as an alternative to the C/C++ programming languages. It is now mainly used for building web, desktop, mobile, and embedded applications. Java is owned and licensed through Oracle, with free and open source implementations available from Oracle and other vendors.

https://github.com/gdut-yy/leetcode-hub-java

基于 java21 + maven3.9 + junit5 + jacoco 的 leetcode + codeforces + atcoder + nowcoder 练习仓库。

algorithm algorithms atcoder codeforces jacoco java java17 java21 junit5 leetcode luogu nowcoder oj oj-solutions unit-test

Last synced: 16 Mar 2025

https://github.com/resourcepool/training-java

A 2-month fulltime java training around an incremental project. Java / JSP / Servlet / Maven / JUnit / Mockito / Selenium / Spring / Hibernate / JPA / Hikari CP / Jackson / Spring MVC / Spring Security / Gatling

docker-container java spring-mvc spring-security training

Last synced: 24 Oct 2025

https://github.com/ai-forever/spring-ai-gigachat

Spring AI extension for GigaChat LLM

gigachat java kotlin spring-ai

Last synced: 01 Feb 2026

https://bytesfly.github.io/blog/

互联网是有记忆的,我想留下一些成长的脚印。

blog interview java leetcode mysql

Last synced: 11 May 2025

https://github.com/ingef/conquery

Visual, interactive queries against big databases

big-data big-data-analytics java

Last synced: 08 May 2025

https://github.com/vatri/freelancer-platform

A quickstart Java Spring project for freelance websites development.

bootstrap hibernate hibernate-orm java javaspring mysql spring spring-boot springframework thymeleaf

Last synced: 11 Apr 2025

https://github.com/soumyadip007/dbj.jar

An Open-source Library for replacement of native JDBC protocol , DBJ.jar can easily connect to database with some Method, So user have to give the credentials and the parameter into the function ,DBJ will handle the rest part(Connection, Driver Manager, Prepared Statement, Resultset etc)

bean connection dao jar java jdbc-driver mysql open-source oracle

Last synced: 21 Mar 2025

https://github.com/diennea/blazingcache

Blazing Fast Distributed Cache

caching distributed java jcache

Last synced: 02 Feb 2026

https://github.com/3kuai/hanbo-db

hanboDB is a high available,low latency memory database system

java message-queue netty4 pubsub redis-server

Last synced: 26 Apr 2026

https://github.com/apache/groovy-website

Apache Groovy content to generate sites

groovy java library

Last synced: 05 Apr 2025

https://github.com/29dch/leetcode-mycodescollection

我的LeetCode做题代码分方向汇总集合 :fire:

cpp java leetcode python3 shell sql

Last synced: 29 Apr 2025

https://github.com/dreamcats/online-interview

在线面试助手:包含各个大厂的面经、算法题、知识点,并且小程序包含长按复制和点击图片预览功能,同时小程序继续优化和开发。

interview java python wx

Last synced: 19 Apr 2025

https://github.com/xxdark/deencapsulation

For those, who does not want to deal with Jigsaw

java jigsaw

Last synced: 19 Apr 2025

https://github.com/depromeet/10mm-server

10MM, 하루 10분으로 시작하는 습관 만들기

backend java jpa spring-boot

Last synced: 19 Apr 2025

https://github.com/chorus-bdd/chorus

The Chorus BDD interpreter - Executable specifications for distributed systems

bdd bdd-framework bdd-tests chorus distributed-systems gherkin integration-testing integration-tests java javascript testing

Last synced: 11 Apr 2025

https://github.com/xedziu/keepmypassword-desktop

KeepMyPassword for Desktop - keep your passwords locally and secure.

hacktoberfest java javafx javafx-desktop-apps

Last synced: 02 Jul 2025

https://github.com/thedumbtechguy/Folio

A Page based navigation framework for Android with a simplified lifecycle and easy transition animations.

android fragments java lifecycle navigation navigation-framework page

Last synced: 18 Jan 2026

https://github.com/asaph/twofactorauth

Google Authenticator compatible 2-Factor Auth in Java

2fa 2factor google-authenticator java

Last synced: 12 Apr 2025

https://github.com/davidsusu/tree-printer

Java library for visualizing tree structures in the command line

ascii-art command-line java library tree tree-viewer unicode-art

Last synced: 14 Jan 2026

https://github.com/dzuvic/jtsgen

Convert Java Types to TypeScript

annotation-processor java processor typescript typescript-generator

Last synced: 14 Jan 2026

https://github.com/activecampaign/postmark-java

Official Java client library for the Postmark HTTP API

email email-sender email-sending java java-library postmark sending

Last synced: 06 Jan 2026

https://github.com/ksoichiro/gradle-build-info-plugin

Gradle plugin to include build information such as Git commit ID to your JAR. It can be used to show Git commit information with Spring Boot Actuator.

gradle gradle-plugin java spring-boot

Last synced: 12 Apr 2025

https://github.com/xvik/guice-validator

Guice javax.validation method validation integration

guice java validator

Last synced: 13 Apr 2025

https://github.com/handsomestwei/sl651-2014

sl651-2014水文通讯协议netty服务端实现

java netty4 sl651-2014 springboot

Last synced: 20 Jul 2025

https://github.com/komma/komma

KOMMA - RDF object mapper for Java

java modeling object-mapper object-mapping rdf sparql

Last synced: 01 Aug 2025

https://github.com/saeg/asm-defuse

ASM powered by definitions/uses analysis

asm java

Last synced: 10 Feb 2026

https://github.com/nuno-faria/sokoban-game

A sokoban game made in Java with JavaFX

coop game java javafx multiplayer puzzle sockets sokoban

Last synced: 19 Apr 2025

https://github.com/madonahs/machine-learning

🌎 I created this repository for educational purposes. It will host a number of projects as part of the process .

java linear-programming linear-regression machine-learning matrices matrix-multiplication neural-network neural-networks python r tensorflow tensorflow-experiments tensorflow-models

Last synced: 02 Jun 2026

https://github.com/laurensk/logisim-macos

Logisim for macOS Catalina and newer

application-stub java logisim macos-app macos-catalina

Last synced: 19 Jun 2025

https://github.com/kuroppoi/brainwine

A portable private server for Deepworld.

deepworld java private-server server-emulator

Last synced: 17 Jan 2026

https://github.com/hakky54/java-tutorials

📝 A repository containing different java tutorials

elasticsearch grpc java log-captor mockito security spring ssl tls tutorial unit-testing websocket

Last synced: 14 Apr 2025

https://github.com/amrdeveloper/astro

Free and Open Source Java IDE Side Project that can compile and run java code and other features for editor like auto complate and auto import for packages

ide integrated-development-environment java javafx richtextfx texteditor

Last synced: 20 Oct 2025

https://github.com/TweetyProjectTeam/TweetyProject

TweetyProject is a collection of Java libraries that implement approaches to different areas of artificial intelligence.

argumentation artificial-intelligence java java-libraries knowledge-representation symbolic-artificial-intelligence

Last synced: 10 Jan 2026

https://github.com/rcsb/colorbrewer

:rainbow: Create color blind friendly color palettes in Java

color-palette colorblind colorbrewer colorpicker java

Last synced: 11 Jan 2026

https://github.com/jenkinsci/webhook-step-plugin

Jenkins Pipeline plugin for blocking a pipeline until an external system calls a webhook.

java

Last synced: 09 Apr 2025

https://github.com/pnowy/nativecriteria

Ultra lightweight lib to generate dynamic SQL based on hibernate session

dynamic-sql hibernate java jpa native-criteria sql

Last synced: 27 Jun 2025

https://github.com/ivangfr/springboot-ldap-testcontainers

The goal of this project is to create a simple Spring Boot REST API, named 'simple-service,' and secure it using the Spring Security LDAP module. Additionally, Testcontainers will be utilized for integration testing.

docker graalvm java ldap native openldap phpldapadmin spring-boot spring-security spring-security-ldap spring-web-mvc springdoc-openapi testcontainers

Last synced: 08 Jul 2025

https://github.com/stepio/coffee-boots

Support property-based configuring of multiple Caffeine caches for Spring Cache abstraction.

caffeine environment java spring spring-boot spring-cache

Last synced: 10 Jul 2025

https://github.com/wenbochang888/seckill

Java高并发秒杀系统,基于SSM + redis实现

high-concurrency java redis seckill ssm

Last synced: 05 May 2025

https://github.com/strykeforce/thirdcoast

Third Coast swerve drive and telemetry API for FRC robots

frc java swerve-drive

Last synced: 14 Mar 2026

https://github.com/orkes-io/orkesworkers

sample workflows using Conductor

demos java netflix-conductor orchestration tutorials

Last synced: 04 Mar 2026

https://github.com/sncf-connect-tech/hesperides

Configuration management tool providing universal text file templating and properties editing through a REST API or a webapp (backend part)

backend configuration-management hacktoberfest hesperides java mongodb mustache spring-boot templating

Last synced: 23 Oct 2025

https://github.com/ktrader-tech/jctp

CTP 的 Java 封装

ctp futures java linux maven-central quant swig

Last synced: 14 Jan 2026

https://github.com/digitalheir/java-probabilistic-earley-parser

🎲 Efficient Java implementation of the probabilistic Earley algorithm to parse Stochastic Context Free Grammars (SCFGs)

ambiguous-sentences cfg computational-linguistics context-free context-free-grammar earley-algorithm grammar java parser parsing probabilistic probabilistic-earley-parser

Last synced: 14 Apr 2025

https://github.com/codota/tabnine-atom

:atom: Atom client for Tabnine - Code Faster with the All-Language AI Assistant for Code Completion, autocomplete JavaScript, Python, TypeScript, PHP, Go, Java, node.js, Ruby, C/C++, HTML/CSS, C#, Rust, SQL, Bash, Kotlin, React, Swift, Scala, Sass, Perl, Objective C, Node JS, Matlab, Haskell, Dart, Angular. https://atom.io/packages/tabnine

artificial-intelligence atom atom-package autocomplete bash c cpp golang gpt-2 java javascript lua php python ruby rust swift typescript

Last synced: 10 Jun 2026

https://github.com/igrishaev/ring-jdk-adapter

Zero-deps Ring server on top of jdk.httpserver

clojure http java ring

Last synced: 21 Aug 2025

https://github.com/martinpaljak/YAFU

YAFU - Yet Another FIDO Utility. FIDO2 toolbox in Java for USB/NFC devices.

ctap2 fido2 fido2-authenticator hid java nfc u2f webauthn

Last synced: 12 Aug 2025

https://github.com/Ilya-Gh/Typewriter

Typewriter pull to refresh Android animation.

android animation animation-library java pull-to-refresh

Last synced: 20 Apr 2025

https://github.com/xvik/guice-persist-orient

Guice integartion for OrientDB

guice java orientdb

Last synced: 13 Apr 2025

https://github.com/zmievsa/autograder

Automatic assignment grading for instructor use in programming courses

c cpp education grading grading-system java python testcases utility

Last synced: 30 Mar 2025

https://github.com/dhatim/dropwizard-jwt-cookie-authentication

Dropwizard bundle managing authentication through JWT cookies

cookie dropwizard java jwt module

Last synced: 12 Jan 2026

https://github.com/questcraftplusplus/pojlib

A Minecraft: Java Edition launcher library partially made with the PojavLauncher base.

java minecraft questcraft

Last synced: 19 Jun 2025

https://github.com/jcabi/jcabi-mysql-maven-plugin

MySQL Maven Plugin: starts MySQL server on pre-integration phase and shuts it down on post-integration phase

java maven maven-plugin mysql

Last synced: 27 Jun 2025

https://github.com/NTNU-IHB/FMI4j

FMI4j is a software package for dealing with Functional Mockup Units (FMUs) on the JVM

co-simulation fmi fmi-standard fmu java kotlin model-exchange

Last synced: 05 May 2025

https://github.com/webfuzzing/dataset

Web Fuzzing Dataset (WFD): a set of web/enterprise applications for experimentation in automated system testing

benchmark casestudy enterprise-applications java rest test

Last synced: 07 Oct 2025

https://github.com/agoncal/agoncal-course-quarkus-microservices

Code for of course "Building Microservices with Quarkus"

course java microservice quarkus

Last synced: 12 Apr 2025

https://github.com/sourcesense/joyce

Joyce is a highly scalable event-driven Cloud Native Data Hub.

api graphql java json json-schema kafka mongodb rest-api schema swagger

Last synced: 14 Apr 2025

https://github.com/dorkbox/tweenengine

High performance and lightweight Animation/Tween framework for Java 8+

android animation java

Last synced: 07 May 2025

https://github.com/Chorus-bdd/Chorus

The Chorus BDD interpreter - Executable specifications for distributed systems

bdd bdd-framework bdd-tests chorus distributed-systems gherkin integration-testing integration-tests java javascript testing

Last synced: 07 May 2025

https://github.com/terryhuanghd/useragency-android

UserAgency is an Android User-Agent generator library written in Java/Kotlin. Provides story-oriented usage, and comprehensive way to mock real life data.

android chrome edge firefox ie java safari user-agent

Last synced: 13 Apr 2025

https://github.com/igr/jrsmq

A lightweight message queue for Java that requires no dedicated queue server. Just a Redis server.

fifo java message-queue queue redis rsmq

Last synced: 21 Jun 2025

https://github.com/noear/liquor

Java dynamic compiler (jar in jar compatible), Java expression engine, Java script engine. Dynamic Compilation as a Service! (Supports JSR223)

dynamic-compilation java

Last synced: 14 Apr 2025

https://github.com/grunka/fortuna

An implementation of the Fortuna RNG

fortuna java prng random rng

Last synced: 14 May 2025

https://github.com/leewyatt/fxgl_tank

Game 90 tank; Powered by FXGL game engine

fxgl game java javafx tank

Last synced: 27 Jul 2025

https://github.com/google/escapevelocity

A subset reimplementation of Apache Velocity with a much simpler API.

apache-velocity java template template-engine template-evaluation template-language velocity

Last synced: 14 May 2025

https://github.com/atleon/atleon

Lightweight infinite reactive stream processing framework

java kafka rabbitmq reactive-streams reactor sns sns-client sqs sqs-client

Last synced: 18 Apr 2026

https://github.com/rieckpil/getting-started-with-microprofile

:orange_book: Everything you need to know about MicroProfile

eclipse-microprofile java maven microprofile open-liberty

Last synced: 03 Mar 2026

https://github.com/quackster/libreshockwave

An open-source SDK, decompiler and web player for Adobe/Macromedia Shockwave

adobe director dissassembler java macromedia reverse-engineering shockwave

Last synced: 25 May 2026

https://github.com/anitaa1990/rxandroid-sample

A list of concise write ups on the implementation of RxJava in Android

android android-development java rxandroid rxjava2 rxjavasamples

Last synced: 24 Jul 2025

https://github.com/hoanghiephui/bitcoin-wallet

Bitcoin Wallet app for your Android device. Bitcoin Wallet is decentralized and peer-to-peer. There is no server that would hold any of your private data.

android android-jetpack bitcoin bitcoin-wallet bitcoinj blockchain dagger2 java kotlin p2p rxjava2 wallet

Last synced: 28 Oct 2025

https://github.com/guillaumefalourd/java-exercices

Exercícios em Java para iniciantes (pré-Junior) ☕️🇧🇷

beginner desafios exercices hacktoberfest java junior

Last synced: 21 Mar 2025

https://github.com/woowacourse-teams/2022-levellog

레벨 인터뷰의 모든 것, 레벨로그

java jpa react react-query spring-boot spring-rest-docs typescript

Last synced: 14 Oct 2025

https://github.com/arrayfire/arrayfire-java

Java wrapper for ArrayFire

arrayfire gpgpu gpu hpc java java-wrapper

Last synced: 17 Dec 2025

https://github.com/lostsky3000/dfactor

A lightweight server framework in java,一个用java编写的多核服务端开发框架

actor cluster erlang game java mmorpg rpc server ssl websocket

Last synced: 25 Oct 2025

https://github.com/5zhu/ssm

Java企业级电商项目

guava java java-8 mall ssm

Last synced: 03 May 2025

https://github.com/kieler/klighd

KIELER Lightweight Diagams

java node-link-diagrams svg visualization

Last synced: 07 May 2025