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/casdoor/casdoor-spring-boot-starter

Spring Boot 2.x & 3.x Starter for Casdoor, see example at: https://github.com/casdoor/casdoor-spring-boot-example

casdoor java oauth oidc saml sdk spring-boot spring-boot-2 spring-boot-3 springboot sso

Last synced: 05 Apr 2025

https://github.com/digitalpetri/netty-channel-fsm

An FSM that manages async non-blocking access to a Netty Channel

client fsm java netty state-machine

Last synced: 21 Mar 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/wittawatj/jtcc

Java library to tokenize Thai text into a list of TCCs

java natural-language-processing thai-nlp

Last synced: 23 Apr 2025

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

The shortest possible maven template / quickstarter for Java

java java17 maven quickstarter template

Last synced: 26 Mar 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/ikuzweelisa/grades_calculator

A Grades Calculator App developed in java

desktop-app grades-app java jformdesigner standalone swing-gui

Last synced: 15 Aug 2025

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/Andres6936/HALE

Hale is a turn based RPG with deep tactical combat and character customization. Included is a lengthy and varied campaign with many quests, items and monsters, visiting a variety of locales. The entire system is built to be moddable from the ground up.

2d game java role-playing rpg-game turn-based-strategy

Last synced: 11 Mar 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/baijianruoli/lidou

RPC framework based on Zookeeper and Netty

java netty rpc zookeeper

Last synced: 14 Jan 2026

https://github.com/elandaofficial/venum

A simulated java-like associative-enum implementation.

associative cpp enum java macros map set venum

Last synced: 24 Jun 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/lewiscowles1986/julid

Universally Unique Lexicographically Sortable Identifier ported to Java

java reference-implementation ulid

Last synced: 08 Jul 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/adambien/java-plain

The shortest possible maven template / quickstarter for Java

java java17 maven quickstarter template

Last synced: 08 Aug 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/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/martinpaljak/esteid

Estonian eID tools and libraries in Java

apdu apdu4j esteid java smartcard

Last synced: 14 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/shannah/webrtc-java-mobile

A Java/Kotlin WebRTC implementation for all mobile/desktop/web platforms.

android codenameone ios java kotlin webrtc

Last synced: 28 Aug 2025

https://github.com/razerms/mobile-xdk-razerms_android_studio

Razer Merchant Services mobile payment for Android (Android Studio)

android android-studio java mobile payment razerms

Last synced: 11 Aug 2025

https://github.com/oracle/oci-react-samples

A series of simple Cloud Native app using React JS frontend, various backends (Java, Python, DotNet) and the Autonomous database.

autonomous cloud-native docker helidon-microservice java javascript kubernetes livelabs oci oracle-database react reactjs spring springboot workshop

Last synced: 07 Apr 2025

https://github.com/bric3/fireplace

Flamegraph (Iciclegraph) swing component

flamegraph iciclegraph java jfr swing

Last synced: 12 Jan 2026

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/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/naotsugu/piecetable

Java implementation of PieceTable data structure.

algorithms java

Last synced: 06 Feb 2026

https://github.com/stevekung/indicatia

A small quality of life mod!

forge indicatia java lightweight minecraft qol utilities

Last synced: 09 Oct 2025

https://github.com/emmanueltouzery/code-compass.nvim

Neovim plugin: set of functions to navigate code without LSP.

java neovim neovim-plugin nvim nvim-plugin

Last synced: 06 Oct 2025

https://github.com/objectionary/eo-intellij-plugin

Syntax Highlighting Intellij IDEA Plugin for EO Programming Language

eolang intellij intellij-plugin java oop parser

Last synced: 16 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/zehracakir/collectionandmapinterfacejava

Collection and Map Interface

collection interface java map

Last synced: 18 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/ansforge/annuaire-sante-fhir-documentation

IRIS-DP en FHIR, le nouveau service de publication développé et maintenu par l’Agence du Numérique en Santé (ANS).

angularjs apim-portal fhir graviteeio hapi-fhir hl7-fhir java js json puppet spring-boot springcloud springcloudgateway

Last synced: 24 Oct 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/helins/linux-gpio.java

Use the standard Linux GPIO api from Java

gpio iot java jna linux native standard

Last synced: 19 Apr 2025

https://github.com/atd/handynotes

Simple Android application that provides widgets to have notes at hand

android java notes

Last synced: 01 Sep 2025

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/naxmefy/node-jdbc

small wrapper to work with jdbc in node

java jdbc nodejs typescript

Last synced: 01 Mar 2026

https://github.com/stevespringett/owasp-risk-rating-calculator

A Java library for programmatically calculating OWASP Risk Rating scores

java library owasp risk-assessment risk-scores threat-modeling

Last synced: 01 Jul 2025

https://github.com/zimei11/kingofbots

一个策略类AI的对战平台,平台上可以发布对战项目,每个同学可以实现自己的AI,然后支持AI与AI的PK与演示。

element-plus java mysql springboot vue3

Last synced: 21 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/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/martinwitt/laughing-train

A code refactoring tool for java created with jgit and spoon for small diffs.

java junit junit4 junit5 qodana refactoring-tools spoon

Last synced: 08 Apr 2025

https://github.com/quackster/roseau

Habbo Hotel emulator for the 2001 "v1" client revision.

2001 emulation emulator habbo java private-server server shockwave

Last synced: 01 Jul 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/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/linwin-cloud/linwin-sploit

LinwinSploit is a Penetration testing toolkit for Linux and android Termux. LinwinSploit是一款用于Linux和安卓Termux的渗透测试工具。 It can attack and run trojan virus on target host. 它能够攻击并在目标主机上运行木马。 Use these toolkits carefully. If you don't allow this, you may have a lot of terrible. 用这些工具使的时候小心点,如果你不遵守这条,你可能会有一些麻烦

hacker http java kali linux python web

Last synced: 15 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/jansanz/drivingdirsmapactivity

Driving Directions in MapActivity sample for Android

android java maps

Last synced: 19 Apr 2025

https://github.com/waikato-datamining/adams-base

Base modules for ADAMS, the Advanced Data Mining and Machine Learning System.

java machine-learning maven workflow-engine

Last synced: 30 Apr 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/swathimystery/mesos-pinspider

A framework called "pinspider" on Apache mesos, to get basic user information from a pinterest page of a user.

distributed-computing java mesos mesos-pinspider mesosphere

Last synced: 11 Apr 2025

https://github.com/open-hand/gitlab-service

Gitlab Service is responsible for establishing communication with GitLab, handling GitLab related logic and forwarding it to other services.

choerodon gitlab java spring spring-boot spring-cloud

Last synced: 10 Jul 2025

https://github.com/glowstonemc/bukkit2sponge

An implementation of SpongeAPI for Bukkit servers (Glowstone, Spigot)

bukkit-plugin glowstone java minecraft sponge spongeapi

Last synced: 30 Apr 2025

https://github.com/terl/hydride-java

Libhydrogen implemented in Java.

c cryptography encryption hash hashing java java-8 jna shared-library

Last synced: 30 Apr 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/lukehb/trajsuite

TrajSuite is a cross-platform Java application that provides a suite of trajectory data-mining and visualisation features.

algorithms classification clustering data-minig java opengl trajectory visualisation

Last synced: 04 May 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/naturalness/sensibility

Fixes Java syntax errors with LSTM neural networks! [proof-of-concept]

hacktoberfest java keras lstm ml4code neural-network syntax syntax-checker syntax-error

Last synced: 05 May 2025

https://github.com/pkini2002/jwt-authentication-springboot

JWT Authentication API using Spring Boot 3.1.4 (Using Spring Security + Lombok + Spring Web dependencies)

intellij java jsonwebtoken jwt-authentication lombok postman-testing spring-boot spring-security-jwt spring-web

Last synced: 07 Sep 2025

https://github.com/jakejmattson/facialrecognition

Facial detection and recognition.

facial-detection facial-recognition java opencv

Last synced: 11 Oct 2025

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/spyopensource/os

Java Operation System, it is an operating system that you can build by yourself.

java jdk os

Last synced: 17 Jan 2026

https://github.com/oktadev/okta-java-rest-api-comparison-example

Java REST API with Micronaut, Quarkus, and Spring Boot

java micronaut quarkus rest rest-api spring-boot

Last synced: 06 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/jlleitschuh/kotlin-guiced

Convenience Kotlin API over the Google Guice DI Library

dependency-injection google google-guice guice java jvm kotlin

Last synced: 07 Jul 2025

https://github.com/marcoscgdev/infoview

A simple and easy to use information view for Android.

android code info infoview java view views xml

Last synced: 12 Oct 2025

https://github.com/xilinjia/life-dots

Record and analyze your life in 8 dimensions: time, event, location, notes, and photos

android diary event java kotlin life map sql sqlite3 timeline

Last synced: 17 Jul 2025

https://github.com/croz-ltd/nrich-demo-backend

Spring Boot application to showcase features of nrich libraries.

croz java jpa nrich spring-boot

Last synced: 12 Jul 2025

https://github.com/sauce-code/cuckoo

This is an adaption of Peter Österlund's CuckooChess 1.12. The source code provided is a Java Maven project in UTF-8. The program, except for the chess font, is copyrighted by Peter Österlund, and is available as open source under the GNU GPL v3 license.

ai artificial-intelligence chess chess-ai chess-application chess-engine cuckoo gui java java-8 java-maven java-swing java8 maven swing swing-gui tui uci utf-8 utf8

Last synced: 28 Feb 2026

https://github.com/kdubois/camelquarkusvoter

Demo that shows how to use Camel Quarkus with Quarkus Dev Services and Kafka

camel java kafka kubernetes microservices

Last synced: 05 Mar 2026

https://github.com/yupiik/bundlebee

A light Java Kubernetes package manager.

cloud java kubernetes maven

Last synced: 13 Feb 2026

https://github.com/scordio/jimfs-junit-jupiter

JUnit Jupiter `@TempDir` extension based on the in-memory file system Jimfs

hacktoberfest java jimfs junit-jupiter junit5-extension testing

Last synced: 10 Aug 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/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/nekos-life/neko-bot-jda

The official Nekos.life Discord bot

discord discord-bot java jda jda-bot nekobot nekos-life

Last synced: 06 Aug 2025

https://github.com/woowacourse-teams/2025-todok-todok

📖 읽고 ✏️ 기록하고 💬 토론하자, 독서 기반 토론 서비스 “토독토독”

android-app java kotlin spring-boot

Last synced: 30 Aug 2025

https://github.com/Shoebill/shoebill-api

Shoebill-api is one main part of the shoebill project.

gta gtasa java java-8 multiplayer samp shoebill

Last synced: 28 Sep 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/payneteasy/pos-proxy

Connect to a POS terminal via simple API

java miura mpos pax pos spire spm2 verifone vx820

Last synced: 01 Sep 2025

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

Spring Data Tarantool

java spring tarantool

Last synced: 14 Apr 2025

https://github.com/woowacourse-teams/2025-hearit

🎧 읽지 말고, 히어릿 — 귀로 듣는 개발 인사이트

android java kotlin media3 spring

Last synced: 05 Mar 2026

https://github.com/tanin47/javaparser.rs

[work-in-progress] Java parser written in Rust

java parser

Last synced: 15 Sep 2025