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/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/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/atd/handynotes

Simple Android application that provides widgets to have notes at hand

android java notes

Last synced: 01 Sep 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/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/clonewith/opsu

opsu! ~ an open-source osu! client

game java lwjgl2 maven osu rhythm-game slick2d

Last synced: 01 Sep 2025

https://github.com/zhixiangli/gomoku-battle

Gomoku Battle is a cross-language cross-system battle platform.

agent ai ai-agents alpha-beta-pruning battle-platform five-in-row game gobang gomoku java javafx

Last synced: 16 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/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/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/impetus/fabric-jdbc-connector

Fabric JDBC connector implements a pure java, type 4 JDBC driver that executes SQL queries on Hyperledger fabric Blockchain.

blockchain fabric go hyperledger java jdbc jdbc-driver sql

Last synced: 17 Mar 2026

https://github.com/biagiot/java-pec-parser

Libreria Java per l'elaborazione di messaggi di Posta Elettronica Certificata (e messaggi di posta ordinaria)

agid daticert email email-client email-parser eml java java-pec-parser legal-mail legalmail mail mail-client mail-parser pec pec-client posta postacert rfc-2821 rfc-6109 ricevute

Last synced: 30 Jan 2026

https://github.com/naotsugu/piecetable

Java implementation of PieceTable data structure.

algorithms java

Last synced: 06 Feb 2026

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

Apache UIMA Ruta

apache java ruta text-analysis uima

Last synced: 19 Oct 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/haxe4e/haxe-studio

Eclipse based IDE for the Haxe programming language

eclipse editor haxe ide java

Last synced: 01 Feb 2026

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/tfkfan/netty-server-game-demo

Netty java game highload server with room management support

gameserver highload java netty

Last synced: 12 Apr 2025

https://github.com/pedro-manoel/atal

Repositório com as atividades e matérias desenvolvidas ao longo da disciplina de Análise e Técnica de Algoritmos da UFCG

brute-force dinamic-programming divide-and-conquer graph java python

Last synced: 06 May 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/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/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/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/scaledrone/scaledrone-java

Scaledrone Java & Android WebSocket client

android java real-time scaledrone websocket websocket-client

Last synced: 12 Apr 2025

https://github.com/nextbreakpoint/nextfractal

NextFractal is an application for creating fractals and other algorithmically generated images

creating-fractals fractal-algorithms fractal-rendering fractals java javafx javafx-application julia-fractal mandelbrot-fractal

Last synced: 17 Jan 2026

https://github.com/jlarriba/jrmapi

A Java API for the reMarkable Cloud

java remarkable-tablet

Last synced: 16 Jan 2026

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/saintzet/heuristicsforcleancode

The goal of the project is to help learn heuristics that will help you write clean code. Use them for the benefit of the community.

clean clean-architecture clean-code code-smell code-smell-detection csharp csharp-examples design-patterns example-clean-code example-code example-java heuristic heuristics java robert-martin

Last synced: 05 Apr 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/sshtools/forker

Forker is a set of utilities and helpers for launching processes from Java in the most efficient way possible

command fork java non-blocking process processbuilder service system wrapper

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/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/moaxcp/x11

An x11 protocol implementation and client for the jvm

desktop java x11 xlib

Last synced: 13 Apr 2025

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/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/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/justinsdk/javase14tutorial

Java SE 14 技術手冊相關資源

java

Last synced: 08 Apr 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/jansanz/drivingdirsmapactivity

Driving Directions in MapActivity sample for Android

android java maps

Last synced: 19 Apr 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/martinpaljak/EstEID

Estonian eID tools and libraries in Java

apdu apdu4j esteid java smartcard

Last synced: 12 Apr 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/cojen/dirmi

Dirmi is a replacement for Java RMI which supports bidirectional remote objects.

java java-rmi remote-method-invocation remote-procedure-call rmi rpc rpc-library

Last synced: 10 Apr 2025

https://github.com/houarizegai/cryptography

Cryptography algorithms implemented in Java.

algorithms cryptography decryption encryption java symmetric

Last synced: 10 Apr 2025

https://github.com/xdev-software/micro-migration

Tiny library to migrate EclipseStore datastores. Applies migration scripts on the datastores to keep them up to date.

eclipse-store eclipsestore java maven support-library xdev

Last synced: 30 Apr 2025

https://github.com/asadiahmad/plantsvszombies

Game with JavaFX framework for Advanced Programming Course

game java javafx javafx-application plants-vs-zombies plantsvszombies ui ui-design ux ux-design

Last synced: 28 Oct 2025

https://github.com/ivangfr/spring-kafka-de-serialization-types

The goal is to play with Spring Kafka. We've implemented 5 examples of producer and consumer services that exchanges messages through Kafka using different types of serialization and approaches.

avro docker java jib json kafka schema-registry spring-boot spring-kafka spring-web-mvc

Last synced: 10 Apr 2025

https://github.com/dmkyr20/tables4j

Java-Cli-Table-Builder makes it easy to create flexible command-line tables. You haven't need to write your classes and methods to decorate console output anymore. Just use this flexible tool for positioning.

builder cli command-line command-line-tool console console-app console-application console-log console-tool easy-to-use java java-11 java-8 java-library library maven repository

Last synced: 10 Apr 2025

https://github.com/pinterest/l10nmessages

L10nMessages is a library that makes internationalization (i18n) and localization (l10n) of Java applications easy and safe.

annotation-processor bazel fluent-api format gradle i18n icu4j internationalization java l10n localization maven

Last synced: 07 Jul 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/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/seunakintola/healthmonitor

HealthMonitor android app was built for a final year project that involves automatic monitoring of a patient's health, hereby bringing mobile inteligence to health system.

android diabetes diabetic-patients googlesheets healthcare-application healthmonitoring iot java mobile-app

Last synced: 20 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/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/cyclopsmc/integratedrest

Expose Integrated Dynamics networks as a REST API

forge hacktoberfest java minecraft

Last synced: 09 Mar 2026

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/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/AdamBien/java-plain

The shortest possible maven template / quickstarter for Java

java java17 maven quickstarter template

Last synced: 26 Mar 2025

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/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/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/fgksgf/minesweeper

:bomb: 扫雷游戏

game java minesweeper swing-gui

Last synced: 11 Oct 2025

https://github.com/masecla22/Modrinth4J

A fully-compliant Java wrapper for the Modrinth API

java modrinth wrapper

Last synced: 02 Apr 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/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/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/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/nayuki/git-library-java

Low-level Java library to read/write Git repositories.

git java library repository

Last synced: 26 Jul 2025

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/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

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/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/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/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/arteam/embedded-http-server

A light and minimalistic HTTP server for Java with zero dependencies and quick startup time

http java unit-testing

Last synced: 25 Jun 2025

https://github.com/engineeringsoftware/jattack

Compiler Testing using Template Java Programs (ASE'22 Distinguished Paper Award)

compiler java jit-compiler jvm template testing

Last synced: 12 May 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/cjstehno/coffeaelectronica

My technical blog.

blog gradle groovy java

Last synced: 23 Apr 2025

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