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/nfriaa/swing-desktop-starter

Sample Swing Desktop Application

deskt java maven mdi swing

Last synced: 13 Apr 2025

https://github.com/brunoborges/wcjvm

JVM launcher inside Windows Containers in Process Isolation mode

containers java windows

Last synced: 19 Apr 2025

https://github.com/pprattis/Recommendation-System-for-Android-Java-App-that-finds-an-ideal-destination-with-the-kNN-Algorithm

This project is an Android mobile application, written in Java programming language and implements a Recommender System using the k-Nearest Neighbors Algorithm. In this way the algorithm predicts the possible ratings of the users according to scores that have already been submitted to the system.

algorithms android android-app android-application collaborative-filtering firebase firebase-realtime-database java k-fold-cross-validation k-nearest-neighbors machine-learning metrics recommendation-system recommender-system

Last synced: 11 May 2025

https://github.com/ntshvicky/collegemanagementsystem

College Management System using Core Java, Swing and Mysql (Java Desktop GUI application)

college-management college-management-system core-java institute-management-system java mysql swing

Last synced: 11 Jul 2025

https://github.com/uzh/marugoto

Marugoto: eLearning Framework for Story Telling

elearning java marugoto middleware storytelling

Last synced: 02 Jul 2025

https://github.com/antonio-pedro99/sportsup

SportUps is an Android app which aims to connect you and your college community to play your favourite sports.

fcm-notifications firebase java kotlin

Last synced: 12 Apr 2025

https://github.com/rohan-bansal/ricochet

LibGDX 2D engine with new vector-based physics functions and a custom UI engine so you can focus on core mechanics.

hacktoberfest java libgdx libgdx-2d-engine physics-2d ui

Last synced: 02 Sep 2025

https://github.com/thamyresarm/dio-bootcamp-warburg-fullstack

Repositório Criado para inserir os desafios de códigos realizados no Bootcamp Fullstack da Warburg Pincus com as linguagens Java e Javascript realizado na DIO.

angular aws cloud-computing java javascript mongodb nosql postgresql springframework sql

Last synced: 29 Apr 2025

https://github.com/rapter1990/springbatchprocessdbtocsv

Spring Boot Batch Processing Database to CSV

csv h2-database java spring-batch spring-batch-jobs spring-boot

Last synced: 16 May 2025

https://github.com/marchof/com.mountainminds.kuhr

KuhR - Vector QR Code Generator 🐄

java qr-code svg vector-graphics

Last synced: 24 Mar 2025

https://github.com/aspectran/aspectran

Aspectran is a lightweight framework for building high-performance Java applications.

aop aspectran cli command-line di ioc java java-framework pojo restful web-application-framework

Last synced: 27 Dec 2025

https://github.com/nilshartmann/spring-graphql-talk

Example application for "graphql java" and "Spring for GraphQL" talks and live coding sessions

graphql java spring-graphql

Last synced: 22 Apr 2025

https://github.com/n8ebel/MarvelAndroid

Android library to work with the Marvel Comics Api

android comics java marvel

Last synced: 12 May 2025

https://github.com/maherzaidoune/taniescape

An Open-Source Game made with libGDX

2d-game android arcade-game game java libgdx libgdx-game

Last synced: 28 Apr 2025

https://github.com/apache/sling-org-apache-sling-pipes

Apache Sling Pipes

java sling

Last synced: 24 Mar 2025

https://github.com/mrquackduck/imageemojis

Minecraft Paper plugin (1.19.4+) that brings custom emojis to the chat! Custom messages are supported.

emojis java minecraft papermc papermc-plugin

Last synced: 30 Apr 2026

https://github.com/sfkamath/jvm-hotpath

JVM runtime execution analysis - finds hot code paths by frequency, not CPU time

asm bytecode code-coverage execution-counts java java-agent jvm maven-plugin runtime-analysis

Last synced: 19 Apr 2026

https://github.com/book000/systemdlogtracker

Tracking systemd log (journal) and send them to discord or slack.

discord discord-bot discord-webhook java journalctl slack-webhook systemd tracker

Last synced: 01 Feb 2026

https://github.com/mxkmn/barrierautoopener

🚘🔍 Finds trusted car licence plates and opens the barrier

java mcu ultimatealpr

Last synced: 27 Oct 2025

https://github.com/mvallim/java-fluent-validator-predicates

Java Fluent Validator is inspired by Fluent Interface and .Net FluentValidation allowing Java and Kotlin developers write validations in a fluent and performatic way. Predicates are the base for the project and make even easier to build your validators. You will find some built-in predicates in this project that will speed up your development.

java java-fluent-validator kotlin predicates validation validation-library

Last synced: 30 Jan 2026

https://github.com/colinrgodsey/netty-quic

IETF QUIC for Netty

java netty quic

Last synced: 17 Mar 2026

https://github.com/heretere/hdl

Heretere's Dependency Loader

bukkit java spigot

Last synced: 26 Oct 2025

https://github.com/osandadeshan/selenium-java-web-automation-demo

This project serves as a boilerplate for automating web applications across various browsers and environments using TestNG and the Selenium library.

automation automation-ui extentreports java page-object-model selenium selenium-java selenium-webdriver testng

Last synced: 04 Apr 2026

https://github.com/scarsz/configuralize

YAML/JSON configuration library with built-in internationalization

config configuration java json library yaml

Last synced: 26 Oct 2025

https://github.com/mariuszgromada/janet-sudoku

Java Android .NET Sudoku Generator & Sudoku Solver Library

android dotnet java library sudoku sudoku-game sudoku-generator sudoku-puzzle sudoku-solver

Last synced: 26 Oct 2025

https://github.com/varsqlinfo/varsql

개발자를 위한 DB tool

dbtool gradle gradle-java java spring-boot web

Last synced: 30 Jan 2026

https://github.com/microsphere-projects/microsphere-build

Common build settings, plugins configuration, etc. for Microsphere Projects

build cicd cloud github-actions java java17 java8 maven microservices microsphere nexus

Last synced: 21 May 2026

https://github.com/complate/complate-spring

Server-Side Rendering of JSX based views in Spring MVC

java jsx spring-boot spring-framework spring-mvc template-engine

Last synced: 28 Oct 2025

https://github.com/0spol/docker_learning_lab

A hands-on Docker environment for learning and practicing containerized databases and utilities. Includes ready-to-run containers for MySQL, PostgreSQL, Oracle, MongoDB, Mongo-Express, phpMyAdmin, Java, and Linux utilities. Ideal for development, testing, and educational purposes.

database databases dev-environment docker docker-compose education java learning-lab mongodb mysql phpmyadmin postgresql

Last synced: 15 Mar 2026

https://github.com/hummel009/game-of-thrones

Мод "Игра престолов" для Minecraft 1.7.10

forge game gradle java minecraft minecraft-mod mod

Last synced: 01 Feb 2026

https://github.com/shuoros/jterminal

A library for printing custom outputs in terminal for Java

colors java print terminal

Last synced: 01 Apr 2026

https://github.com/verifalia/verifalia-java-sdk

Verifalia REST API - Java SDK and helper library

email-validation email-verification java verifalia

Last synced: 17 Mar 2026

https://github.com/sondertara/tara

Pure java project include excel kit and some utils

async-export-excel bean-copy beanutils excel excel-export excel-import java utils-lib

Last synced: 14 Jan 2026

https://github.com/tahanima/restful-booker-api-test-automation

Restful-booker API test automation project using Java and REST Assured.

api java restassured test-automation

Last synced: 20 Jul 2025

https://github.com/sambitos23/b2b-invoice-management-system

Build an AI enabled FinTech B2B Invoice Management System Integrated with ML, React and JDBC servalate

api flask-api java javascript jdbc jupyter-notebook machine-learning material-ui mysql python reactjs

Last synced: 18 Mar 2025

https://github.com/lambdatest/lt-appium-java

Run Java and Appium scripts on LambdaTest automation cloud. A sample repo to help you run Java based test scripts in parallel with LambdaTest

android-automation app-automation appium appium-java ios-automation java mobile-app-testing testing-tools

Last synced: 04 Jul 2025

https://github.com/x28/inscriptis-java

inscriptis - HTML to text conversion library for Java

converter html2text java library

Last synced: 14 Jan 2026

https://github.com/labbsr0x/servlet-monitor

A Big Brother compliant servlet filter to add basic but very useful Prometheus metrics for your app

big-brother-metrics hacktoberfest java metrics metrics-filter prometheus servlet servlet-filter

Last synced: 15 Oct 2025

https://github.com/pjazdzyk/unitility

Unitility: Units of Measurement and Physical Quantity Converter for JAVA, with Spring Boot and Quarkus support for web applications development. Immutable, thread-safe, content rich, easy to use.

api-measurement converters geocoordinates geolocation imperial-units java longitude-and-latitude physics si-unit-conversion si-units thermodynamic-properties thermodynamics unit-conversion unit-converter unit-system units-of-measure units-of-measurement units-of-measurements

Last synced: 06 Apr 2026

https://github.com/kamon-io/kamon-jdbc

Kamon JDBC Integration

hikaricp java jdbc metrics slow-requests

Last synced: 14 Jan 2026

https://github.com/simonscholz/rxswt

Reactive Programming in SWT

eclipse java osgi reactive rxjava swt

Last synced: 14 Apr 2025

https://github.com/soulwax/catcraft

A bukkit plugin for Minecraft with various functionalities for personal use. Lincense: MIT

bukkit java minecraft spigot spigot-plugin

Last synced: 04 Jul 2025

https://github.com/cgfly/jeecf

jeecf 开源公用库

angularjs bootstrap java jeecf osgi springboot web

Last synced: 22 Aug 2025

https://github.com/flexycode/ccprgg2l_intermediate_final_exam

This repository is intended for our Final Exam in CCPRGG2L_INTERMEDIATE COM23P Professor Jay Abaleta

dynamic-programming finals intermediate-projects java java-gui-application javaswing maven maven-pom oop polymorphism

Last synced: 14 Apr 2025

https://github.com/terminal2/java-mode-s

Mode-S/ADS-B (1090Mhz) for Java

ads-b dump1090 hacktoberfest java mode-s

Last synced: 14 Jan 2026

https://github.com/gungnirlaevatain/snowflake-zk

Using zookeeper to allocate work id for snowflake algorithm

algorithm generator id id-algorithm idcenter idgenerator java snowflake zk zookeeper

Last synced: 23 Apr 2025

https://github.com/valentinefernandes/java-coding-questions

This repository contains list of java interview coding questions

interview-questions java java-8

Last synced: 23 Apr 2025

https://github.com/lujjjh/go-javaio

Go implementation of Java Object Serialization Stream Protocol.

go golang java serialization

Last synced: 08 Jul 2025

https://github.com/siddhi-io/siddhi-sdk

Siddhi SDK for IntelliJ Idea Plugin & PySiddhi

distribution java sdk siddhi

Last synced: 24 Apr 2025

https://github.com/ppodgorsek/ansible-awx-ee

Ansible AWX Execution Environment with AWS, Azure, GCP, Kubernetes, Helm, Java and Terraform

ansible ansible-awx ansible-ee ansible-tower aws azure gcp helm java terraform

Last synced: 04 Sep 2025

https://github.com/woefe/xmlrss

Redactable Signatures for Java

cryptography java jca signatures

Last synced: 07 May 2025

https://github.com/fracpete/vfsjfilechooser2

Updated fork of vfsjfilechooser project on sf.net.

file-explorer java

Last synced: 11 Mar 2026

https://github.com/configcat/android-sdk

ConfigCat SDK for Android. ConfigCat is a hosted feature flag service: https://configcat.com. Manage feature toggles across frontend, backend, mobile, desktop apps. Alternative to LaunchDarkly. Management app + feature flag SDKs.

android android-sdk configcat-sdk feature-flags feature-management feature-toggle featureflags java kotlin kotlin-android remote-config sdk

Last synced: 01 Apr 2025

https://github.com/zupzup/java-0-deps-webapp

Java Web Application without any dependencies

java webapp zero-dependency

Last synced: 04 Jul 2025

https://github.com/tisonkun/failpoints

An implementation of failpoints for Java.

failpoint failure-injection fault-injection java testing

Last synced: 15 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/stamir36/lipari-android

Mobile client for the LiPari social network, which allows you to view and create bets with friends.

android android12 community design java m3 material material-ui material-you material-you-3 network nure social-network startup xml

Last synced: 25 Apr 2025

https://github.com/sirblobman/colored-signs

A plugin that enables color and formatting codes for signs

bukkit colored colors editor format formatting java minecraft paper plugin sign signs spigot

Last synced: 26 Oct 2025

https://github.com/felipewind/poc-quarkus-multiple-datasources

Poc using multiple data sources with Quarkus

hibernate hibernate-orm java quarkus

Last synced: 16 Apr 2025

https://github.com/mini-ware/random-ideas

Easy and simple projects that are made when bored

fun java node-js python simple-game small-projects termux-api

Last synced: 14 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/cchantep/melasse

Melasse Java MVC glue API

gui java mvc swing

Last synced: 23 Mar 2025

https://github.com/hussainderry/java-utilities

Contains helper classes that I find useful every now and then.

cache clone image-compression java luhn luhn-algorithm luhn-checksum utilities

Last synced: 14 Apr 2025

https://github.com/zied-snoussi/java_crud_mysql_jdbc

This project demonstrates basic CRUD (Create, Read, Update, Delete) operations using JDBC (Java Database Connectivity) in a Java application.

java mysql

Last synced: 12 Apr 2025

https://github.com/forax/einherjar

A Java tool that transforms a Java jar to an Einherjar to go to Valhalla

einherjar java tool valhalla value-type

Last synced: 27 Dec 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/casdoor/casdoor-spring-boot-example

Spring Boot example app for Casdoor based on casdoor-spring-boot-starter

auth authn casdoor iam java oauth2 spring spring-boot sso

Last synced: 10 Apr 2025

https://github.com/digitalmediaserver/crowdin-maven-plugin

A Maven plugin for synchronizing translations with Crowdin

crowdin internationalization java java-7 localization maven maven-plugin translation

Last synced: 29 Aug 2025

https://github.com/eugenia1984/mastercompletoenjava

Curso de Udemy: Máster Completo en Java de cero a experto 2023 (+127 hrs) - Andrés José Guzmán

java

Last synced: 24 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/sitcommunity/nekoui-download

NekoUI: Java Edition Introduces Custom User Interface (CUI), Blue Archive Background in Minecraft: Java Edition

bluearchive config fabric forge gradle java menu minecraft minecraft-menu minecraft-mod mods nekoui screen

Last synced: 12 Apr 2025

https://github.com/viniciusfinger/java-chat

A chat app for terminal using Java with communication between network sockets using the TCP protocol. 💬☕️

chat java network socket tcp-server thread

Last synced: 12 Apr 2025

https://github.com/hadii-tech/clarpse

A multi-language architectural code analysis library for building better software tools

java lightweight object-oriented parser polyglot

Last synced: 12 Apr 2025

https://github.com/burnett01/kotlin-expression-builder

A regular expression (REGEX) class and builder (DSL), written in Kotlin.

builder dsl expression expressions java jvm kotlin package regex regular-expression

Last synced: 14 Oct 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/eclipse-glsp/glsp-eclipse-integration

Integration of the web-based GLSP client with Eclipse

diagram-editors diagramming eclipse graphical-modeling java

Last synced: 24 Aug 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/fahimahammed/code-conversion

Binary, octal, hexadecimal, Decimal (Code Conversion)

binary code-conversion css decimal hexadecimal html java octal

Last synced: 09 Jul 2025

https://github.com/codestates-seb/seb40_pre_036

Stack Overflow Clone 🥛

java react redux spring

Last synced: 13 Apr 2025

https://github.com/apache/maven-filtering

Apache Maven Filtering

build-management java maven maven-shared

Last synced: 13 Apr 2025

https://github.com/opentracing-contrib/java-elasticsearch-client

OpenTracing Instrumentation for Elasticsearch Client

elasticsearch-client java opentracing

Last synced: 05 Mar 2026

https://github.com/sansyrox/leetcode-company-by-company

All leetcode company wise questions with link to Leetcode/ LintCode(if premium)

cpp java javascript leetcode-company python

Last synced: 07 Sep 2025

https://github.com/bric3/java-pmap-inspector

Inspect `pmap -X` output of a java process, requires Java11, likely not 100% accurate

java jvm memory native-memory pmap

Last synced: 11 Apr 2025

https://github.com/woori-fisa-4th-study/cs-study

기술 면접 대비 CS 스터디 👨🏻‍💻

data-structure db java network os spring springboot web

Last synced: 06 Mar 2026

https://github.com/rtakland/qweathersdk

一个非官方的和风天气 Kotlin/Java SDK, 基于 WebAPI. An unofficial kotlin/java sdk for qweatehr based on web api

java kotlin qweather sdk weather

Last synced: 11 Apr 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