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/jmcamposdev/java-book-exercises

📚 Welcome to the ☕️ code exercise repository for the Paraninfo Programming book by Alfonso Jiménez Martín and Francisco Manuel Pérez Montes (ed. Paraninfo)! 👨‍💻 Improve your coding skills with carefully written and commented exercises 📝, ranging from simple to complex.

arraylist arrays binaryfiles class file-handling functions hashmap-java hashset if-else java java-examples java-exercises jdbc-database loops matrix poo streams string-manipulation

Last synced: 19 Apr 2025

https://github.com/jeebb/oauth-demo

Spring Security OAuth2 + MongoDB

java oauth2 spring

Last synced: 18 Jan 2026

https://github.com/fracpete/vfsjfilechooser2

Updated fork of vfsjfilechooser project on sf.net.

file-explorer java

Last synced: 11 Mar 2026

https://github.com/fxbin/bubble

bubble 旨在为项目快速开发提供一系列的基础能力,方便使用者根据项目需求快速进行功能拓展。已将所有 JAR 包都推送至中央仓库,也会为每个版本的升级改动列出详细的更新日志

bubble-fireworks easyexcel elasticsearch java mybatis-plus spring spring-boot spring-cloud-alibaba springcloud swagger2

Last synced: 03 Jul 2025

https://github.com/elebras1/flecs-java

Java wrapper for Flecs using FFM

ecs ffm-api flecs foreign-function-and-memory-api gamedev java

Last synced: 23 May 2026

https://github.com/sonallux/spotify-web-api-java

A Java wrapper for Spotify's Web API

api-client java spotify spotify-web-api wrapper

Last synced: 05 May 2025

https://github.com/samourai-wallet/boltzmann-java

Wallet efficiency score

bitcoin entropy java privacy

Last synced: 08 Apr 2025

https://github.com/sebkur/live-cg

LIVE Interactive Visualization Environment for Computational Geometry

application computational-geometry gui gui-application java

Last synced: 22 Jan 2026

https://github.com/rabanti-github/nanoxlsx4j

NanoXLSX4j is a small Java library to create and read XLSX files (Microsoft Excel 2007 or newer) in an easy and native way. The library is originated form PicoXLSX4j and has basic support of reading spreadsheets

excel excelreader excelwriter java microsoft-office ooxml reader spreadsheet xlsx

Last synced: 10 Apr 2025

https://github.com/frc-sonic-squirrels/2023-robot-code

2023 FRC Season robot code for team 2930, the Sonic Squirrels

first-robotics-competition frc frc-2023 frc-charged-up java wpilib

Last synced: 24 Oct 2025

https://github.com/vaadin/npm-addon-template

Vaadin add-on template using 3rd party web component from npmjs.com.

addon java npm template-repository vaadin webcomponents

Last synced: 14 Apr 2026

https://github.com/jansora/onlinecompiler

支持在线运行(Demo)和分享的代码演练场(Playground), 基于React + Quarkus (Grallvm) 构建, 目前已支持Java, Golang, Python, Nodejs, Javascript等.

docker golang grallvm java nodejs python quarkus

Last synced: 17 Oct 2025

https://github.com/loohp/blockmodelrenderer

Render Minecraft block models

blockbench java minecraft models rendering

Last synced: 12 Mar 2026

https://github.com/coala/coala-eclipse

Holds a prototype for a coala plugin for eclipse

coala eclipse-plugin java

Last synced: 28 Apr 2025

https://github.com/sap/java-integration-for-sap-mobile-services

Java library that integrates to SAP Mobile Services Backend APIs. As a start this will only provide the Notification Backend API to send notifications to mobile devices. Further APIs may be included in the future.

client integration java mobile-services sap

Last synced: 19 Oct 2025

https://github.com/rocsg/fijirelax

FijiRelax: 3D+t multi-echo spin-echo sequences MRI analysis

image-processing imagej imagej-plugins java modeling mri relaxation-time

Last synced: 19 Oct 2025

https://github.com/cofcool/chaos-server

基于 Spring Boot 的 Java Web Server 框架,简化开发

framework java mybatis shiro spring-boot web

Last synced: 06 Oct 2025

https://github.com/mounirelbakkali1/java-memory-management-best-practice

Java Memory Management Workshop to gain a deep understanding of memory management in Java and master best practices for efficient memory handling.

java java-memory java-memory-model object-pooling

Last synced: 27 Oct 2025

https://github.com/yunus1903/chatembeds

A Minecraft mod that adds embedded images and more to chat

forge forgegradle java minecraft minecraftforge mod

Last synced: 23 Oct 2025

https://github.com/stackify/stackify-log-log4j2

Stackify Log Appender for Log4j 2.x

java log4j logging stackify

Last synced: 03 Mar 2026

https://github.com/metalmoosefrc/metalmoose2018

2018 code repository of the FRC Team 1391.

first-robotics-competition frc java omgrobots power-up

Last synced: 24 Oct 2025

https://github.com/ketbome/hytale-server

Docker image for Hytale dedicated server with web panel. Easy setup, auto-download, real-time console.

dedicated-server game-server gaming hypixel hytale hytale-server java minecraft server-management web-panel

Last synced: 21 Jan 2026

https://github.com/cpacm/leetcode

LeetCode 上的算法解析

algorithms java leetcode

Last synced: 12 Oct 2025

https://github.com/oktadev/okta-legacy-with-cloud-gateway-example

Secure Legacy Applications with Spring Cloud Gateway

java legacy oauth2 secure servlet spring-cloud-gateway tutorial

Last synced: 19 Aug 2025

https://github.com/mhaidarhanif/auteline

:atm: Auteline - Simple ATM simulator with basic features made using Java

atm java oop

Last synced: 21 Aug 2025

https://github.com/oclay1st/maven.nvim

The Neovim plugin for Maven

java maven neovim neovim-plugin

Last synced: 14 Mar 2026

https://github.com/helospark/light-di

Fast, lightweight, Spring like, annotation driven dependency injection framework.

dependency-injection fast framework java lightweight lightweight-framework

Last synced: 12 Jan 2026

https://github.com/it-at-m/ad2image

easy avatars powered by AD / Exchange & Identicons

active-directory exchange-server java spring-boot

Last synced: 09 Mar 2026

https://github.com/gemfire/gemfire-examples

Java examples to get started with GemFire and learn its features.

caching gemfire in-memory-database java

Last synced: 16 Jan 2026

https://github.com/synt4xerr0r4/json5

A JSON5 Library for Java

java java11 json json5

Last synced: 24 Feb 2026

https://github.com/aweiloveandroid/okeventbus

OKEventBus目前只传了部分内容,核心内容以后再传上来。

event-bus eventbus events java okeventbus

Last synced: 26 Jul 2025

https://github.com/theodo/quarkusdemo

Java Quarkus Framework Demo - Java Scale Ready

amqp java quarkus quarkus-native reactive-programming rest

Last synced: 23 Jul 2025

https://github.com/apache/sling-org-apache-sling-distribution-journal

Apache Sling Journal based Content Distribution - Core

java sling

Last synced: 13 Aug 2025

https://github.com/kakarottocui/uniappinterlocution

基于springboot和uniapp的智能问答论坛社区小程序

java mysql springboot uniapp vue

Last synced: 28 Jul 2025

https://github.com/kakarottocui/uniwaimaiapplet

基于JAVA,SpringBoot,Vue,UniAPP外卖订餐点餐小程序系统设计

java mysql springboot uniapp vue

Last synced: 28 Jul 2025

https://github.com/linck/iso8583-validator

Ferramenta para auxiliar nos testes de validação da mensageria ISO8583

financial-transactions iso8583 java software-quality software-testing test-automation

Last synced: 14 Aug 2025

https://github.com/pitzzahh/library-management-system

LMS-GUI desktop app made using JavaFX and Scene Builder

java javafx javafx-desktop-apps library-management-system

Last synced: 05 Aug 2025

https://github.com/a894985459/coffeewzrepacker

A comprehensive .wz file editor for MapleStory game files; Featuring a wide range of quick and easy editing functions

editor file java maplestory ms spine wz

Last synced: 24 May 2026

https://github.com/salgado2004/trabalho-final-lpoo-ufpr

Trabalho prático final de Linguagem de Programação Orientada a Objetos do curso de Análise de Desenvolvimento de Sistemas da UFPR

analise-desenvolvimento-sistemas java junit4 kanban-board maven poo swing-gui ufpr

Last synced: 20 Sep 2025

https://github.com/apache/camel-jbang-examples

Apache Camel JBang Examples

camel integration java low-code

Last synced: 29 Jul 2025

https://github.com/d-k-deng/map_music_app

An app that synchronizes your jogging routes with curated playlists, enhancing your workout experience.

android-studio app google-maps java music-player

Last synced: 04 Oct 2025

https://github.com/jakesteam/pixelblacksmith

"Pixel Blacksmith" is a 2016 Android crafting RPG (and my first app!) with 250k downloads, a complex visitor system, and hundreds of items

android crafting java rpg

Last synced: 18 Aug 2025

https://github.com/onl1ner/weather

🌤 Simple weather GUI-application written in Java using JavaFX.

gui java javafx maven meteorology openweathermap openweathermap-api owm weather

Last synced: 25 Jul 2025

https://github.com/mo-karbalaee/instagram-desktop-application

Instagram clone. As the final project of the advanced programming course at SBU on spring 2021

client database-management java java-fx multithreading object-oriented-programming server shahid-beheshti-university socket-programming sql

Last synced: 01 Aug 2025

https://github.com/eclipse-keyple/keyple-java-example

Eclipse Keyple™ Project: use case examples of the Keyple Java components for end users

java keyple support

Last synced: 02 Sep 2025

https://github.com/isaka-mabagala/booking-application-microservices

Spring Boot Booking Microservices Project with Angular 13 frontend (Assignment CSS 311)

java microservices mongodb spring-boot

Last synced: 07 May 2025

https://github.com/state-machine-systems/envy

Super simple configuration for Java.

configuration java simple

Last synced: 16 Dec 2025

https://github.com/igor-baiborodine/coding-challenges

This project contains solutions to various programming exercises, problems, algorithms, puzzles etc.

algorithm codility-solutions coding-challenges golang hackerrank-solutions java puzzle python solutions

Last synced: 29 Oct 2025

https://github.com/cptanalatriste/aco-tsp

Solving the Travelling Salesman problem with Ant Colony Algorithms, using the Isula Framework

ant-colony-optimization java traveling-salesman

Last synced: 19 Jul 2025

https://github.com/youtubetomp3converterapi/opengse

OpenGSE is a suite of servlet compliance tests that can be deployed in any servlet engine.

java opengse web webserver

Last synced: 03 May 2025

https://github.com/hashimsaffarini/datastructure

These Java files contain implementations of essential data structures such as AVLTree, BST, CircularQueue, DataStructureClasses, MyArrayList, MyHashMap, MyLinkedList, MyQueue, and MyStack. Each file showcases the functionality and usage of its corresponding data structure, providing versatile solutions for data organization and manipulation.

classes data-structures implementation java

Last synced: 05 May 2025

https://github.com/bvolpato/taskerbox

🎩 Java lightweight automation engine

integration java java-automation-engine maven polling slack

Last synced: 11 Apr 2025

https://github.com/jabrena/101-ddd

A talk about Strategic DDD.

ddd domain-driven-design java

Last synced: 18 Mar 2025

https://github.com/kokizzu/kokizzu-benchmark

Benchmark sources in kokizzu.blogspot.com

benchmark csharp go golang java javascript lua luajit nim python ruby rust vlang

Last synced: 04 May 2025

https://github.com/wx-chevalier/ms-seckilling-examples

高可用秒杀场景的实践案例

golang java wx-be wx-code

Last synced: 17 Jun 2025

https://github.com/kiduyu-klaus/kiduyutv_final

- - - - - IN DEVELOPMENT - - - - - Android TV and Fire TV streaming app offering a curated collection of movies and TV shows with a lean-back interface designed for living room entertainment. Features include content browsing, search functionality, and playback controls optimized for remote navigation.

android-tv-app androidtv androidtv-app fire-tv firestick firetv java kiduyutv leanback-framework movies-api movies-app-android movies-streaming movies-streaming-app streaming streaming-api

Last synced: 03 Jul 2026

https://github.com/powersystem2024/carpinchosprogramando

Somos Carpinchos Programando, un grupo de estudiantes de la Universidad Tecnológica Nacional de San Rafael, Mendoza, Argentina. Nuestra pasión por el aprendizaje, la programación y la tecnología nos impulsa a explorar y desarrollar proyectos emocionantes.

java scrum-agile teamwork-projects

Last synced: 11 Apr 2025

https://github.com/lfuelling/cleanfoot

Fork of Greenfoot (including BlueJ) using Maven

cleanfoot game-development game-engine gradle greenfoot java java-8 java-library javafx maven

Last synced: 19 Mar 2025

https://github.com/smadani/thriftmde

An implementation of Apache Thrift's compiler on EMF using Xtext and Epsilon.

apache eclipse emf epsilon java thrift thrift-idl-compiler xtext

Last synced: 05 May 2025

https://github.com/utp-projects/sistema-gestor-de-reservas-hoteleras

Sistema de reservas de hoteles desarrollado en Java como parte del curso de Programación Orientada a Objetos en UTP. + SQL Server

java openjdk sql-azure

Last synced: 03 Apr 2025

https://github.com/stklcode/jvaultconnector

Java Vault Connector - Connect Hashicorp's Vault with your Java application.

connector java secret vault

Last synced: 09 Jul 2025

https://github.com/denismakogon/ffmpeg-debian

FFMPEG shared libs for OpenJDK | Golang

compile docker ffmpeg gmf golang java media multistage openjdk

Last synced: 10 Apr 2025

https://github.com/patilshreyas/easydatabase

Java API to easily implement JDBC-ODBC Database connection and operations.

database java java-library jdbc odbc

Last synced: 10 Apr 2025

https://github.com/enginkaratas/java-camp-humanresources-management

improve OOP skills to advance.

java spring-boot

Last synced: 08 Sep 2025

https://github.com/bocaletto-luca/multilanguage-test-example

Multilanguage Test Examples Welcome to the Multilanguage Test Examples repository! This project contains simple, self-contained examples of programming fundamentals implemented in various programming languages. Each example demonstrates basic constructs—including output, variable declarations, conditionals, loops, and functions/methods with clear..

bocaletto-luca c cpp csharp css3 fsharp go haskell html5 java javascript kotlin python ruby rust scala swift swift5 typescript

Last synced: 01 Apr 2026

https://github.com/kkrull/javaspec

Spec-style testing for Java

java junit specifications testing

Last synced: 11 Apr 2025

https://github.com/mzyxnuel/github-activity-cli

CLI tool to monitor the activities of GitHub users

cli gson java maven spring-shell springboot

Last synced: 06 Oct 2025

https://github.com/devgianlu/processing-wakatime

Wakatime tool for Processing 3

java processing wakatime

Last synced: 05 May 2025

https://github.com/qainsights/performance-engineering-series

This video series aims to explain various performance issues such as memory, cpu, threads etc and how to identify them by simulating using the BuggyApp.

eclipse java load-testing loadtesting mat memory performance performance-engineering testing

Last synced: 05 May 2025

https://github.com/sebthom/previewer-eclipse-plugin

Extensible Eclipse plugin that previews GraphViz, Markdown, PlantUML, Mermaid, SVG, and HTML files.

eclipse-plugin gfm graphviz java markdown mermaid plantuml preview svg

Last synced: 02 May 2026

https://github.com/aleph0io/example-java-lambda-function

Example Java Lambda Function Using Custom Base Image

aws-lambda java

Last synced: 30 Apr 2025

https://github.com/qoomon/unchecked-exceptions-java

Throw any Java Exception anywhere without the need of catching them nor wrapping them into RuntimeException

checkedexception exception-handling exceptions java rethrow-exceptions throw unchecked-exception wrapping

Last synced: 14 Apr 2025

https://github.com/brucewind/juao

🚄 fast cache much more than JVM heap memory in Android.(在安卓上利用更多的物理RAM,快速地存取巨量的Java对象)

android bitmap bitmap-cache cache-storage java memory-cache memory-hacking

Last synced: 23 Jun 2025

https://github.com/timbru31/docker-alpine-java-maven

🐳 Alpine with Eclipse Temurin OpenJDK 11 and Maven Docker image

alpine docker docker-image dockerfile eclipse-temurin hacktoberfest java javascript jdk11 openjdk11

Last synced: 15 Apr 2025

https://github.com/nheidloff/openwhisk-debug-java

Developing and debugging OpenWhisk Functions with Spring Boot in Eclipse

debugging java openwhisk serverless spring-boot springboot

Last synced: 15 Apr 2025

https://github.com/camerakit/camerakit-examples

Example code for various CameraKit implementations and versions

android android-development android-library examples java java-library

Last synced: 23 Apr 2025

https://github.com/drkostas/quantum-mechanics-quiz-app

Android app with 10 questions about Quantum Mechanics.

android-development java xml

Last synced: 25 Apr 2025

https://github.com/willianantunes/personal-environment

Simple setup script and dotfiles for my work environment

bash dotfiles java shell

Last synced: 12 Jul 2025

https://github.com/generaloss/jpize-engine

Java Game Engine

game-engine java opengl sdl

Last synced: 30 Apr 2025