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/apache/tomcat-connectors

Apache Tomcat Connectors

http java javaee network-server tomcat

Last synced: 09 Apr 2025

https://github.com/souzen/light-jpf

Lightweight Java Plugin Framework

classloader java maven maven-plugin pluginframework plugins

Last synced: 14 Jan 2026

https://github.com/7axel/web2apk

An easy way to convert your front-end web project into an Android app

apk apkbuilder apktool compiler htmltoapk jarsigner java kotlin linux open-source python signer web2apk web2app windows

Last synced: 24 Apr 2025

https://github.com/ralscha/bsoncodec

Collection of org.bson.codecs.Codec implementations for MongoDB

bson codec-implementations java mongodb

Last synced: 24 Apr 2025

https://github.com/oracle-samples/modern-app-dev

OCI sample application that follows the principals of the Oracle Modern App Development framework

event-driven java messaging oci reference-architecture reference-implementation terraform web

Last synced: 18 Jun 2025

https://github.com/professor-enoqueleal/car-store-guide

Tutorial para criação de uma aplicação Web utilizando Java

css html java servlet web

Last synced: 24 Apr 2025

https://github.com/grashjs/api

Api of Atlas CMMS - Computerized maintenance management system

alternative cmms java java-8 maven postgresql rest-api spring-boot startup

Last synced: 28 Feb 2025

https://github.com/wojciechzankowski/iextrading4j-book

IEX Trading open source incremental Order Book implementation

deep feed hist iex iextrading java market-data order orderbook tops

Last synced: 10 Apr 2025

https://github.com/apache/logging-chainsaw

Apache Chainsaw is a GUI log viewer

apache java logging

Last synced: 09 Apr 2025

https://github.com/erzbir/numeron

基于 Mirai 框架的 QQ 机器人项目, 支持多 bot, 可作脚手架快速开发

annotations java kotlin mirai mirai-bot mirai-core qqbot reflect reflection springboot

Last synced: 12 Mar 2026

https://github.com/kasukusakura/kimiroyli

Kimiroyli 是一个致力于 JVM 安全的安全管理框架, 致力于保护整个系统不受恶意外部代码攻击 (WIP)

java javaagent jvm security

Last synced: 26 Apr 2025

https://github.com/jneira/wai-servlet

Library to integrate eta wai applications with servlet api

eta-lang haskell interop java servlet wai

Last synced: 05 Jul 2025

https://github.com/kumar-shivam-ranjan/retail-store-management-system

This Repository contains Java Spring MVC based relational Database Management System Project

java jdbc-connector mysql-database spring-mvc spring-security

Last synced: 13 Jun 2025

https://github.com/zifangsky/easylimit

这是一个同时支持MVC和前后端分离项目开发模式的权限控制框架

authentication authorization front-end-framework java mvc-pattern permission-manager

Last synced: 14 Jan 2026

https://github.com/rudderlabs/rudder-sdk-android

Android SDK for RudderStack - the Customer Data Platform for Developers.

analytics analytics-platform android android-library android-sdk java kotlin open-source rudder sdk

Last synced: 25 Apr 2025

https://github.com/ivkos/wallhaven4j

Wallhaven API for Java

android java jitpack parsing wallhaven wallpaper

Last synced: 26 Apr 2025

https://github.com/richardschoen/howtostuff

This repository contains a general list of how to items for any language similar to gist style articles but focused in a repo

as400 cl commit csharp git ibmi ifs java javascript nfs node php python repositories repository rpg sql vb view xmlservice

Last synced: 05 Sep 2025

https://github.com/hardiksinghbehl/just-another-testcontainer-integration

Backend application using Testcontainers for Integration Testing AWS S3, Azure Blob Storage, Kafka, MySQL, Egress calls including Chaos testing and Redis.

azurite chaos-testing java kafka-testing localstack mockserver mysql-test redis-test redpanda spring-boot testcontainers toxiproxy

Last synced: 09 Apr 2025

https://github.com/gaul/java-collection-overhead

Demonstrate overheads for various Java Collection implementations.

collection java

Last synced: 15 Apr 2025

https://github.com/executeautomation/katalonstudiowebui

This repo contains all the code required for testing web application using Katalon WebUI

automation java katalon katalon-studio selenium

Last synced: 23 Mar 2025

https://github.com/jorgeluisreis/askconsole

AskConsole é uma aplicação que une a simplicidade do CLI com a complexidade de uma IA (LLM), trazendo a oportunidade ter conversas com o Gemini da Google.

cli gemini-ai ia java json llm

Last synced: 14 Apr 2025

https://github.com/creepy-pasta101/java-in-termux

This script will install java (openjdk-11/8) in termux without root! Available for aarch64 or armv8, arm64, armhf, armv7l, arm or arm32 or armv7 or aarch32

armv7l armv8 java jdk jdk11 jdk8 jdk9 openjdk openjdk11 openjdk8 openjdk9 termux

Last synced: 05 Oct 2025

https://github.com/barakugav/jgalgo

A high-performance library for graph algorithms written in Java. It contains a wide collection of optimized algorithms and data structures for a range of problems on graphs.

algorithms data-structures graph-algorithms graph-api graph-theory java java-library

Last synced: 15 Apr 2025

https://github.com/nixrajput/college-management-system-java

A Desktop Application for managing a college data. It's developed using Java programming language & MySQL database.

college-management college-management-system java java-application java-swing mysql mysql-database mysql-server

Last synced: 01 May 2025

https://github.com/blackducksoftware/ohcount4j

Line counting and language identification tool

java line-counter ohcount ohloh ragel tool

Last synced: 29 Jun 2025

https://github.com/clonewith/opsu

opsu! ~ an open-source osu! client

game java lwjgl2 maven osu rhythm-game slick2d

Last synced: 01 Sep 2025

https://github.com/halvards/vagrant-xfce4-ubuntu

Vagrant-based development environment using Ubuntu and the Xfce Desktop Environment

development java nodejs ubuntu vagrant xubuntu

Last synced: 23 Mar 2025

https://github.com/yegor256/cam

Classes and Metriсs (CaM): a dataset of Java classes from public open-source GitHub repositories

cyclomatic-complexity dataset java metrics metrics-gathering

Last synced: 27 Mar 2025

https://github.com/a-r-d/java-1-class-demos

Java 160 class demos for Cincinnati State Java 1 class.

demo java youtube-video

Last synced: 28 Oct 2025

https://github.com/jgperrin/net.jgp.books.spark.ch04

Spark in Action, 2nd edition - chapter 4

java manning spark sparkjava sparkwithjava

Last synced: 06 May 2025

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

Official Java SDK for Filestack - API and content management system that makes it easy to add powerful file uploading and transformation capabilities to any web or mobile application.

file-management file-upload image-processing java sdk video-processing

Last synced: 10 Jul 2025

https://github.com/akarnokd/async-enumerable

Prototype Java 9 library based on the asynchronous enumerable concept (where moveNext() returns a task to compose over).

asynchronous enumerable java

Last synced: 11 Apr 2025

https://github.com/acegi/xml-format-maven-plugin

Advanced, automatic formatting of your XML files during Maven builds

java maven maven-plugin xml xml-format

Last synced: 20 Mar 2025

https://github.com/imagingbook/imagingbook-calibrate

Java/ImageJ implementation of Zhang's camera calibration method

burger-burge camera-calibration imagej java

Last synced: 29 Oct 2025

https://github.com/bakdata/kafka-error-handling

A library for error handling in Kafka Streams.

java kafka-streams

Last synced: 10 Apr 2025

https://github.com/imagingbook/imagingbook-public

Image processing software for textbooks by W. Burger & M. Burge

burger-burge digital-image-processing imagej imagej-plugins imagingbook java

Last synced: 29 Oct 2025

https://github.com/salitaba/maven-decoder-mcp

MCP server for inspecting, searching, and decompiling Maven .m2 JARs for Java AI coding agents.

agentic-coding ai-agents bytecode cursor-ide decompiler dependency-analysis docker jar java maven maven-repository mcp mcp-server model-context-protocol python skills

Last synced: 20 Jun 2026

https://github.com/swifdroid/jni-kit

📦 The best JNI wrapper ever made

java jni swift wrapper

Last synced: 13 May 2026

https://github.com/artipie/npm-adapter

Turn your files to an NPM repository

java javascript npm private-npm-repository

Last synced: 13 May 2025

https://github.com/ammarlodhi255/file-compression-system

File Compression Using Huffman Coding Built in Java.

data-structures huffman-coding huffman-compression-algorithm java

Last synced: 23 Apr 2025

https://github.com/pigfly/ap_s1_2017_sample_code

Sample Code for Advanced Programming in Semester 1 2018

java java-10 java-8 javafx

Last synced: 04 Feb 2026

https://github.com/jansanz/drivingdirsmapactivity

Driving Directions in MapActivity sample for Android

android java maps

Last synced: 19 Apr 2025

https://github.com/justinsdk/javase14tutorial

Java SE 14 技術手冊相關資源

java

Last synced: 08 Apr 2025

https://github.com/shirasawasama/javasharedmemory

Shared memory between Java and C++/Rust/Go processes.

cpp ffi interprocess interprocess-communication ipc java java-19 pure-java shared-memory

Last synced: 08 Jul 2025

https://github.com/dahie/imageflow

Visual ImageJ Macro editing in a node-base editor featuring ImageJ

imagej java node-based-ui

Last synced: 09 Sep 2025

https://github.com/kakarottocui/ssm-jiuzhu

基于SSM框架的流浪动物猫狗救助领养网站设计

java mysql ssm

Last synced: 28 Jul 2025

https://github.com/lalanachami/java-chat-application-socket-java-swing-gui-

👩‍❤️‍💋‍👨🧑🏻‍💻Socket based chat application with a chat client and a chat server. With swing GUI and message encryption

chat-application decryption encryption hash java sha-1 socket swing-gui

Last synced: 14 Apr 2025

https://github.com/franmc01/jetbrains-moonlight-theme

🌚 Dark theme for JetBrains IDEs (IntelliJ IDEA, PyCharm, RubyMine, PhpStorm, WebStorm, etc)

gradle java jetbrains-plugin jetbrains-theme moonlight

Last synced: 01 Aug 2025

https://github.com/lambdaurora/affectionate

A mod about player interactions, made for Modfest: Singularity.

java minecraft minecraft-mod modfest modfest-singularity quiltmc

Last synced: 29 Aug 2025

https://github.com/aman9026/codezen

Contains the solutions of all the problems I attempted in practice or competitions on Codezen

codezen competitions competitive-programming cpp java practice practice-programming

Last synced: 15 Aug 2025

https://github.com/suyashsonawane/javanet

Understanding and Implementing Neural Networks in Java from Scratch 💻 Learning the popular concept in the most 💪strongly typed language

java

Last synced: 22 Mar 2025

https://github.com/ralscha/mycustomer

Ext JS 6 sample application with Spring Framework, Spring Boot, JPA

demo extjs extjs6 java javascript

Last synced: 10 Aug 2025

https://github.com/minimallycorrect/mixin

Applies Mixin-style monkey patches to .java source or compiled .class files. Lightweight

aspect-oriented-programming bytecode-manipulation java mixin

Last synced: 09 Mar 2026

https://github.com/tarantool/cartridge-springdata

Spring Data Tarantool

java spring tarantool

Last synced: 14 Apr 2025

https://github.com/kakarottocui/unichongdianzhuangapplet

基于java SpringBoot和Vue uniapp的汽车充电桩微信小程序

element-ui java mysql springboot uniapp vue

Last synced: 28 Jul 2025

https://github.com/adambien/java-plain

The shortest possible maven template / quickstarter for Java

java java17 maven quickstarter template

Last synced: 08 Aug 2025

https://github.com/sap-samples/event-mesh-client-java-samples

Samples based on the Java messaging client for SAP Event Mesh (formerly Enterprise Messaging in SAP Cloud Platform).

enterprise-messenging java sample sample-code sap-cloud-platform sap-event-mesh

Last synced: 13 Apr 2025

https://github.com/azure-samples/azure-openai-rag-workshop-java

Create your own ChatGPT with Retrieval-Augmented-Generation workshop

azure chatgpt java langchain4j openai quarkus rag workshop

Last synced: 05 Apr 2025

https://github.com/mikyll/javafx-multiplayerlobbysystem

Lobby System Template for a multiplayer java game, with chat and other features, using JavaFX and socket TCP (will be extended to UDP).

board-game chat game java javafx kick lobby multiplayer multithreading ready room socket stream synchronized tcp template

Last synced: 14 Jun 2025

https://github.com/odaridavid/diary

Diary App ,demo for Room ORM ,ALC 5 Android Session

android java room-database room-persistence-library

Last synced: 13 Sep 2025

https://github.com/cucumber/html-formatter

HTML formatter for reporting Cucumber results

bdd cucumber java javascript polyglot-release ruby tidelift

Last synced: 12 Sep 2025

https://github.com/gigaherz/survivalist

Spicing up the early game, without making it tedious

forge-mod game java minecraft-forge minecraft-mod mod

Last synced: 13 Apr 2025

https://github.com/yangyouwang/wrapper

包装枚举插件(例如:0或1 包装成男或女)

java

Last synced: 10 Apr 2025

https://github.com/moaxcp/x11

An x11 protocol implementation and client for the jvm

desktop java x11 xlib

Last synced: 13 Apr 2025

https://github.com/jgperrin/net.jgp.books.spark.ch09

Spark in Action, 2e - chapter 9 - Advanced ingestion: finding data sources and building your own

apache-spark ingestion java java8 manning spark sparkwithjava

Last synced: 04 Mar 2026

https://github.com/cumulocity-iot/cumulocity-dynamic-mapper

The ultimate Mapper for building the bridge between any Message Broker and Cumulocity IoT in a zero-code approach!

agent angular cumulocity-agent cumulocity-iot cumulocity-microservice cumulocity-package iot iot-analytics java microservice mqtt server-side-agent typescript

Last synced: 15 Apr 2026

https://github.com/zehracakir/collectionandmapinterfacejava

Collection and Map Interface

collection interface java map

Last synced: 18 Oct 2025

https://github.com/nishkarshraj/maven-using-cmd

Create a project in Java using Apache Maven Build tool via Command Line and use GitHub Actions to build it on remote Docker Engine.

apache build-automation cmd command-line command-line-tool css dependabot devops html java maven maven-repository

Last synced: 13 Oct 2025

https://github.com/fgksgf/minesweeper

:bomb: 扫雷游戏

game java minesweeper swing-gui

Last synced: 11 Oct 2025

https://github.com/apache/uima-ruta

Apache UIMA Ruta

apache java ruta text-analysis uima

Last synced: 19 Oct 2025

https://github.com/willfleury/prometheus-metrics-agent

JVM agent metrics instrumentation and monitoring with Prometheus (Scala, Java, Kotlin, Clojure, etc)

agent apm java jvm metrics monitoring prometheus

Last synced: 16 Oct 2025

https://github.com/michel-leonard/ciede2000-color-matching

The 𝐂𝐈𝐄𝐃𝐄𝟐𝟎𝟎𝟎 color difference formula written in 40+ programming languages.

c color computer-vision dart education go image-processing java javascript kotlin ktm620enduro linux python ruby rust swift testing windows

Last synced: 18 Feb 2026

https://github.com/beykery/willwallet

以太坊钱包

ethereum java mnemonic wallet

Last synced: 12 Jan 2026

https://github.com/naotsugu/jpostal

Japan postal code dictionary(so‐called ken_all.csv) utility.

java

Last synced: 29 Jan 2026

https://github.com/Erkaman/regl-fire

Fire particle system made with regl

animation demo fire glsl java javascript particles regl webgl

Last synced: 27 Jul 2025

https://github.com/dropwizard/dropwizard-health

Provides a health check implementation that performs ongoing monitoring of an application's dependencies and includes an endpoint that can be called by a load balancer to determine if the application is healthy and thus able to receive traffic.

dropwizard health-check health-checks healthcheck java

Last synced: 29 May 2026

https://github.com/sta-ger/slotify4j

A server-side video slot game logic framework for Java.

casino game game-server java return-to-player rtp simulation slot video-slot

Last synced: 10 Mar 2026

https://github.com/shannah/radchatapp

Full-featured chat app UI component in Java/Kotlin for Codename One.

chat codenameone java kotlin mobile-application-development

Last synced: 23 Apr 2025

https://github.com/DogerRain/HelloCoder

本项目是使用 vuepress 构建的一个技术文档博客,收集了作者本人 学习Java、面试 的一些文章,多为系列文章。

java javalearn javalearning

Last synced: 02 Apr 2025

https://github.com/gturri/dokujclient

Java xmlrpc client for Dokuwiki

dokuwiki java xmlrpc-interface

Last synced: 14 Jul 2025

https://github.com/dabit3/api-gateway-lambda-in-various-runtimes

Examples of serverless Lambda functions integrated with API Gateway and CORS enabled

aws cors dotnet golang java serverless

Last synced: 17 Nov 2025

https://github.com/open-hand/choerodon-oauth

This service is the authorized authentication center of the choerodon microservices framework and is mainly responsible for user privilege and authorization.

c7nf choerodon java oauth2 spring spring-boot spring-cloud spring-oauth2

Last synced: 10 Jul 2025