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/nelsonmestevao/uminho

:books: University projects, exercises & notes

c cpp data-science distributed-systems haskell java software-engineering

Last synced: 27 Oct 2025

https://github.com/gofirst-robotics/ri3d-2023

Official code from the UMN Robotics Team for the 2023 Ri3D season!

frc java ri3d wpilib

Last synced: 24 Oct 2025

https://github.com/zhenye-na/lintcode

👨‍💻 This repository contains the solutions and explanations to the algorithm problems on LintCode. All are written in Python/Java/C++ and implemented by myself.

algorithms coding-interviews cpp java lintcode lintcode-problems-practice python

Last synced: 09 Oct 2025

https://github.com/bshao001/goworld

A client-server network socket based user interface for Go game, dedicated for two players . 围棋游戏网络双人版。

client-server gogame java swing-gui weiqi

Last synced: 14 Oct 2025

https://github.com/wpernath/quarkus-grumpycat

A simple fat-cat / packman like multi player game, with a logic server written in Java with Quarkus and a Engine written in JavaScript with the MelonJS game framework.

argocd game game-development gitops html5-canvas java javascript kubernetes melonjs openshift quarkusio tekton-pipelines

Last synced: 25 Feb 2026

https://github.com/emaarco/bpmn-to-code

Gradle and Maven plugin that bridges gaps between BPMN and code - fostering the creation of clean process-automation solutions 🪴

bpmn camunda7 codegenerator java kotlin operaton zeebe

Last synced: 26 Apr 2026

https://github.com/k33ptoo/swing-signup-example

Java Netbeans Metro UI Design - Sign Up Example 2017

java javaswing

Last synced: 30 Oct 2025

https://github.com/citymonstret/kvantum

An intellectual (HTTP/HTTPS) web server with support for server side templating (Crush, Apache Velocity and JTwig)

http http-server https https-server java ssl template-engine web-server webserver

Last synced: 21 Mar 2025

https://github.com/vatsalkesarwani12/headlines

HeadLines is a 📰 news app that delivers you with the latest news. It has interactive UI and easy to use. The app can be scrolled offline to watch your bookmarked news. Give this app a try and let me know.

android android-app bookmarks constraint-layout firebase headlines java news newsapi retrofit2 room room-database

Last synced: 23 Mar 2025

https://github.com/joyofcodingpdx/joyofcoding

Source code for The Joy of Coding course at Portland State University taught by David Whitlock

java portland-state-university

Last synced: 08 Apr 2026

https://github.com/tommyettinger/digital

Utilities for handling math and showing numbers in Java.

base hash java math radix trigonometry utility

Last synced: 22 Mar 2025

https://github.com/aaschmid/taskwarrior-java-client

A Java client to communicate with a taskwarrior server (= taskd).

client java java-client pem pkcs taskd taskserver taskwarrior taskwarrior-java-client

Last synced: 01 Apr 2025

https://github.com/pacphi/reactive-jdbc-demo

This is a simple experiment to test Spring 5's Webflux Module's Functional Programming Model interaction with the Reactiverse reactive-pg-client.

docker java pcf postgres reactive spring-5 spring-boot spring-webflux

Last synced: 07 May 2025

https://github.com/esoxjem/algorithms

Algos and Data Structures

algorithms data-science dsa java kotlin

Last synced: 06 Mar 2026

https://github.com/zortax/zreddit

A simple but yet beautiful Reddit client

client java javafx reddit ui

Last synced: 03 Apr 2025

https://github.com/paulsandoz/jersey-netty-app

Tutorial on Java 9, docker and kubernetes

docker grafana java kubernetes monitoring prometheus

Last synced: 09 Jul 2025

https://github.com/minhaskamal/alphabetrecognizer

Simple Optical Character Recognizer (english-ocr-image-to-text-recognition-sample-trainig-alphabet-photo-data-database-dataset)

alphabet-recognizer data database english image-processing java machine-learning ocr sample template-matching text-recognition training-data writing

Last synced: 11 Apr 2025

https://github.com/bertrandmartel/sim-password-wallet

Android application interacting with a JavaCard applet installed on SIM card

android java javacard smartcard

Last synced: 07 May 2025

https://github.com/amanmj/pc-remote-control

A telegram bot to remotely control anyone's PC remotely through your phone/PC.

hacktoberfest java telegram telegram-bot

Last synced: 13 Apr 2025

https://github.com/b-g/mapmap-vauxhall

Mashup Mental Maps and OpenStreetMap

geo java maps openstreetmap processing processing-sketch

Last synced: 11 Apr 2025

https://github.com/hardiksinghbehl/spring-boot-qr-code-generator-reader-api

Spring-boot application exposing REST API endpoints to generate QR-code representing custom message and endpoint to read the decoded message using java and google's zxing library.

java qrcode-generator qrcode-reader spring-boot zxing-qrcode

Last synced: 09 Apr 2025

https://github.com/ep2p/kademlia-api

Java Kademlia Library. Highly configurable, Generic and very abstract to cover most usage scenarios.

dht java kademlia p2p p2p-network

Last synced: 26 Apr 2025

https://github.com/qudini/qudini-reactive

Spring WebFlux builds scalable applications, Qudini Reactive makes them production-ready.

aws correlation-id graphql java logging mdc metrics prometheus reactive reactor spring-boot sqs webflux

Last synced: 05 Jul 2025

https://github.com/zinebfadili/pinata-java-sdk

Unofficial Java SDK for Pinata IPFS pinning service

ipfs ipfs-pinning-services java pinata pinning-services sdk-java

Last synced: 14 Jan 2026

https://github.com/noleme/noleme-flow

A library enabling DAG structuring of data processing programs such as ETLs

dag dataflow etl-pipeline java workflow workflow-engine

Last synced: 12 Jan 2026

https://github.com/birchb1024/genyris

Genyris presents a new programming paradigm. Objects can belong to multiple classes independent from construction allowing data to be classified into types after creation.

functional-programming java lisp-interpreter scheme-interpreter semantic-web

Last synced: 06 Apr 2025

https://github.com/wglanzer/swingexplorer-idea

Integrates SwingExplorer into newer versions of IntelliJ IDEA

explorer idea intellij java plugin swing swingexplorer swingexplorer-plugin

Last synced: 13 Jun 2025

https://github.com/yangfeng20/smart-config

Smart-Config 智能配置:单体应用下的动态配置;单机版Apollo

apollo config-center dynamic java

Last synced: 14 Jan 2026

https://github.com/berrycloud/xapi-java

Java xAPI model, client and tools

cmi5 java spring tincan xapi

Last synced: 05 Feb 2026

https://github.com/jackhawks/dev-tools

开发者工具箱,分享一些日常开发的工具脚本。

bigdata devops java

Last synced: 28 Apr 2025

https://github.com/kakarottocui/secondschoolshop

基于java SSM框架的二手校园交易商城平台系统

java jquery ssm

Last synced: 09 Aug 2025

https://github.com/hms-core/hms-location-demo-harmonyos

Huawei HarmonyOS sample code implements the API invoking of Location Kit open capabilities, facilitating your experience of related functions.

harmonyos hms huawei java location locationkit

Last synced: 04 Jul 2025

https://github.com/mkutz/shakespeare

A framework helping to write tests like screenplays

api-testing java screenplay screenplay-pattern selenium test-automation testing testing-framework

Last synced: 05 Sep 2025

https://github.com/stephengold/wes

An animation editing and retargeting library for jMonkeyEngine (code has New BSD license)

animation java jme3 jmonkeyengine jmonkeyengine3 jvm-library library retargeting-animations skeleton-map

Last synced: 14 Apr 2025

https://github.com/rattydave/docker-jupyterhub

Multi user Jupyterhub with C++, Java, Python, Tensorflow, Julia, SQL, NodeJS, Bash and more!

beakerx clojure groovy java jupyter-notebook jupyterhub machine-learning scala sql torch

Last synced: 14 Apr 2025

https://github.com/darkhax/opennbt

A Java library for the NBT file format.

java java-library minecraft nbt

Last synced: 25 Jul 2025

https://github.com/redhat-middleware-workshops/enter-serverless-functions

This hands-on workshop teaches how developers creates/builds/deploys serverless functions using Quarkus on Knative, AWS Lambda

aws-lambda functions java knative kubernetes microservices openshift quarkus serverless

Last synced: 17 Sep 2025

https://github.com/unruly/junit-rules

A collection of useful JUnit rules from Unruly's codebases

java junit junit-rule tdd

Last synced: 24 Jul 2025

https://github.com/jgettext/gettext-commons

Internationalization (i18n) through GNU gettext and Java ResourceBundles

gettext-library i18n java maven

Last synced: 16 Sep 2025

https://github.com/yoep/popcorn-fx

Popcorn FX is a multi-platform torrent streaming client that includes an integrated media player with support for embedded devices such as the Raspberry PI.

desktop embedded-systems java javafx media-player raspberry-pi rust streaming tv

Last synced: 02 Apr 2026

https://github.com/ohle/swingspector

A plugin for Intellij IDEA that helps making and debugging Swing UIs

intellij java swing swing-gui

Last synced: 19 Apr 2026

https://github.com/fzakaria/ascii85

A Java library for working with Ascii85, also called Base85 - a form of binary-to-text encoding

decoding encoding java

Last synced: 22 Mar 2025

https://github.com/gregorriegler/seamer

refactoring tool that aims at making it easy to create characterization tests

characterization-tests golden-master golden-tests java refactoring refactoring-tools seam

Last synced: 17 Aug 2025

https://github.com/grazen0/userlogin

A simple and versatile authentication plugin for Minecraft

bukkit java minecraft spigot

Last synced: 06 Aug 2025

https://github.com/shalithasuranga/simpler

Very simple language implemented using antlr for beginners

anltr compiler-design java lexer parsing programming-language simple-lang

Last synced: 15 Oct 2025

https://github.com/4drian3d/mckotlin

Get the ability to run and develop Kotlin plugins on your Minecraft server or proxy

java kotlin minecraft minecraft-plugin paper-plugin spigot sponge-plugin velocity-plugin

Last synced: 29 Dec 2025

https://github.com/fnuecke/sedna-mc

Library mod providing Sedna as a Minecraft mod.

java minecraft mod

Last synced: 12 Apr 2025

https://github.com/pacifiquem/libra

♎Library Management Information System ♎.

hibernate java maven sql

Last synced: 07 May 2025

https://github.com/gradlex-org/java-module-testing

Gradle plugin to turn JVM Test Suites into Blackbox or Whitebox Test Suite for Java Modules

gradle-plugin java java-modules jpms testing

Last synced: 10 Apr 2025

https://github.com/mikesafonov/prometheus-telegram-alert

Transfer alerts from Prometheus Alertmanager to Telegram chat and channels using webhook.

java prometheus-alertmanager spring-boot telegram

Last synced: 12 Apr 2025

https://github.com/selimhorri/jhipster-architectural-comparison

Initialization of a JHipster project - Monolithic vs Microservice Application

angular h2 java jhipster liquibase mysql service-worker spring-aop spring-data-jpa spring-security typescript webpack

Last synced: 12 Apr 2025

https://github.com/ivangfr/https-springboot-react

The goal of this project is to play with HTTPS and enable it in Spring Boot applications. For it, we will implement a Spring Boot Rest API that will have its endpoints ready to accept and server over HTTPS. Furthermore, a Spring Boot Shell Java application and a Frontend React application will be implemented to consume movies-api.

h2 https java javascript keytool pkcs12 react semantic-ui-react spring-boot spring-data-jpa spring-shell spring-web-mvc springdoc-openapi

Last synced: 10 Apr 2025

https://github.com/avniproject/avni-server

Backend APIs for Avni

java postgresql spring-boot

Last synced: 17 Jan 2026

https://github.com/saberglow/codility_tasks

Codility Tasks & Solutions [100% Performance]

c codility codility-100 codility-solutions cpp java java-11

Last synced: 10 Apr 2025

https://github.com/jakewins/jaa

Actionable memory analysis for JVM languages

java jvm jvm-performance kotlin openjdk scala

Last synced: 10 Apr 2025

https://github.com/pavelicii/allpairs4j

🧮Pairwise combinations generator with constraints for Java

allpairs combinatorial-testing java pairwise pairwise-testing test-automation testing testing-tools

Last synced: 11 Jan 2026

https://github.com/minnukota381/calculator-android-studio

A Simple Calculator design using Android Studio

android android-studio java

Last synced: 12 Jul 2025

https://github.com/io7m-com/jspatial

Spatial data structures

java oct-tree quad-tree spatial

Last synced: 21 Jun 2025

https://github.com/range79/animeizle

Animeizle API is a lightweight and modular backend service designed to manage, serve, and power anime streaming platforms. Built with Spring Boot and Kotlin, this API provides endpoints for users, authentication, anime listings, seasons, episodes, and more.

apache changelog changelong dual-lang gradle half-open-souce intellij java jetbrains jvm kotlin oracle range spring star tomcat

Last synced: 13 Jul 2025

https://github.com/xvik/dropwizard-orient-server

Embedded OrientDB server for dropwizard

dropwizard java orientdb

Last synced: 13 Apr 2025

https://github.com/kavithma-thushal/computershop-management-system-1st-sem-final

Developed this Standalone Application as the first semester's final project for the Graduate Diploma in Software Engineering at the Institute of Software Engineering

final-project java javafx mysql

Last synced: 11 Jul 2025

https://github.com/amanmj/PC-Remote-Control

A telegram bot to remotely control anyone's PC remotely through your phone/PC.

hacktoberfest java telegram telegram-bot

Last synced: 12 Apr 2025

https://github.com/tritondatacenter/java-http-signature

Library for performing RSA signed HTTP requests in Java

http-signature java joyent manta triton

Last synced: 11 Jan 2026

https://github.com/dsd-sztaki-hu/hasuraconf

Hasura Configuration JSON Generation Based on JPA and Hasura Specific Annotations

hasura hibernate java jpa kotlin spring

Last synced: 22 Jan 2026

https://github.com/apache/opennlp-addons

Mirror of Apache OpenNLP Add-ons

java library opennlp

Last synced: 19 Oct 2025

https://github.com/alimranahmed/ci-calculator

CI-Calculator, A scientific calculator, built using JAVA. Front-end has been designed by java swing API.

java scientific-calculator swing

Last synced: 05 Oct 2025

https://github.com/frcteam1967/frcteam1967

FRC Team 1967 • The Janksters • Notre Dame High School

c-plus-plus first-robotics-competition frc-robot girlswhocode java robotics team-1967

Last synced: 24 Oct 2025

https://github.com/tananaev/cell-tower-radar

Cell tower radar Android app

android java

Last synced: 18 Oct 2025

https://github.com/saqqdy/clipboard-parser

A tool to read the clipboard and parse out the table data. Support for parsing @RequestParam/@ApiModelProperty interfaces to define code, Word, Excel and other form-like data

api api-tool apimodelproperty clipboard-parser excel java java-parser java-tool parser requestparam web-table word

Last synced: 31 Aug 2025

https://github.com/snowdrop/java-buildpack-client

A java buildpack (https://buildpacks.io/) platform implementation

buildpack buildpacks hacktoberfest java library paketo

Last synced: 12 Apr 2025

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

Java Wrapper for OpenFoodFacts

hacktoberfest java openfoodfacts wrapper

Last synced: 29 Apr 2025

https://github.com/Grazen0/userlogin

A simple and versatile authentication plugin for Minecraft

bukkit java minecraft spigot

Last synced: 10 Mar 2025

https://github.com/aboueleyes/the-conqueror

A single player turn-based empire building game.

game java oop oops-in-java

Last synced: 30 Jun 2025

https://github.com/m-reza-rahman/azure-cafe

Java (EE) on Azure End-to-End Demo

azure cloud jakartaee java javaee kubernetes wildfly

Last synced: 08 May 2025

https://github.com/forax/macro

Java Macro Library

java library lisp-like macros

Last synced: 27 Dec 2025