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/grizeldi/z21-drive

Java implementation of Fleischmann/Roco z21 DCC center's network protocol

cab fleischmann java library model-railway z21

Last synced: 14 Apr 2025

https://github.com/thatbeautifuldream/dsa

This repository consists of all the material from my data structures and algorithms preparation.

algorithms data-structures java problem-solving

Last synced: 14 Apr 2025

https://github.com/lemire/sparsebitmap

A simple sparse bitmap implementation in java

bitset compression java

Last synced: 30 Jul 2025

https://github.com/augustd/burp-suite-utils

Utilities for creating Burp Suite Extensions.

burp burp-api burp-extensions burp-plugin burpsuite java

Last synced: 16 Jan 2026

https://github.com/amanoteam/sunny

Prevent Tachiyomi and Mihon from throttling your requests by ignoring rate limits

java tachiyomi xposed-module

Last synced: 14 May 2025

https://github.com/dantevg/webstats

Spigot plugin to display the scoreboard, PlaceholderAPI and other plugin statistics on the web

java minecraft minecraft-plugin minecraft-scoreboard mysql placeholderapi-support spigot spigot-plugin

Last synced: 08 Mar 2026

https://github.com/doudoutangs/3.salary_system

github不会经常在线,可加QQ:553039957,详谈。薪资管理系统:是一套简洁薪资管理系统,虽然界面简单,但其功能强大。系统分为了五大模块:考勤与工资,薪资设置,部门管理,公告管理,系统管理。主要技术:Springboot+MyBatisPlus+MySQL+jQury,Layui

java jquery layui mybatis-plus mysql spring-boot

Last synced: 13 May 2025

https://github.com/dingdaoyi/simple-iot

The Minimal IoT Platform — single-binary Spring Boot 4 + Vue 3 IoT platform. Built-in MQTT broker, visual rule engine, hot-loaded protocol scripts.

dashboard docker element-plus glassmorphism iiot influxdb iot iot-platform java java-25 mqtt mqtt-broker rule-engine self-hosted spring-boot spring-boot-3 thing-model thingsboard-alternative vue vue3

Last synced: 01 Jul 2026

https://github.com/libgdx/jamepad

A better way to use gamepads in Java

gamecontroller-framework gamepad java sdl2

Last synced: 14 Jan 2026

https://github.com/ic4j/ic4j-agent

IC4J Agent for the Internet Computer

android dfinity icp java

Last synced: 14 Jan 2026

https://github.com/futaosmile/springbootintegration

SpringBoot集成学习项目 SpringBoot Integration

druid elasticsearch gradle java kotlin mybatis redis rocketmq springboot swagger

Last synced: 23 Apr 2025

https://github.com/bleuzen/blizcord

Discord Bot written in Java using JDA and lavaplayer

bot discord discord-bot java jda jda-bot

Last synced: 06 Sep 2025

https://github.com/dathoangse/java-cqrs-commandbus

A lightweight & highly extensible CQRS Command Bus for implementing application services and CQRS architectural pattern in Java

architecture command-bus cqrs-architectural-pattern cross-cutting-concerns java middleware

Last synced: 14 Jan 2026

https://github.com/viralvaghela/telegram-bot-array-index-out-of-bound

This Bot will provide you with a variety of features, including programming quotes, jokes, random jokes, and real-time global Covid-19 data. Additionally, it offers a wide range of resources such as books, videos, and tutorials to assist you in learning programming.

bot java java-spring-boot javabot random-jokes telegram-bot telegram-bot-array telegram-bots telegram-jav telegram-java-api

Last synced: 09 Oct 2025

https://github.com/eocode/docker-spark-big-data

Exercises in Spark with Docker and Data Languages

big-data data-science docker java python scala spark

Last synced: 11 Oct 2025

https://github.com/arconia-io/arconia-migrations

Tools and OpenRewrite recipes to automate refactoring, migrations, and upgrades for Java projects.

arconia docling java junit migrations open-rewrite spring-boot testcontainers

Last synced: 30 Jun 2026

https://github.com/rootulp/hackerrank

:pencil2: Hackerrank solutions

hackerrank java problems python ruby

Last synced: 11 Apr 2025

https://github.com/lemire/indexwikipedia

A simple utility to index wikipedia dumps using Lucene.

java lucene wikipedia-dump

Last synced: 29 Oct 2025

https://github.com/hoangsonww/graph-data-structure

🔍 This repository explores the graph data structure, focusing on its application in analyzing large texts and developing the Word Graph Game. It includes algorithms for text analysis, graph construction, and game logic, offering a comprehensive toolkit for educational and development purposes.

graph graph-algorithms graph-data-science graph-datastructures graph-theory graphs java java-8

Last synced: 11 Apr 2025

https://github.com/aquazus/d1proxy

A simple yet powerful Java 11 TCP MITM proxy for Dofus 1.29.1

dofus java mongodb network network-analysis network-monitoring networking proxy

Last synced: 09 Jul 2025

https://github.com/houarizegai/tictactoe

A simple Tic Tac Toe (XO) game 🎮 developped using Java Swing.

game java swing tic-tac-toe tictactoe

Last synced: 10 Apr 2025

https://github.com/nea/nehe-android-ports

NeHe Android Ports

android java nehe opengl tutorial

Last synced: 11 May 2025

https://github.com/wkgcass/f

a library to write async vert.x code similar as using java syntax

future java monad vertx

Last synced: 12 Apr 2025

https://github.com/charlyjazz/chat-firebase-apache-camel

Chat Message Monorepo Architecture Solution using Kafka, Terraform, GKE, GCP, DockerHub,Kubernetes, Docker, Apache Camel, Python, FastAPI, Cassandra and Firestore, Next JS, React

aggregator apache-camel apache-kafka api-rest architecture-component chat-application docker docker-compose enterprise-architecture fastapi java k8s kubernetes microservices monorepo openapi python react rest swagger

Last synced: 11 Apr 2025

https://github.com/epam/Gepard

Test Automation Framework

framework java junit test-automation

Last synced: 27 Feb 2025

https://github.com/zoltan-nz/kafka-spark-project

Distributed System in Docker with Apache Kafka and Spark for big data streaming and visualisation (NodeJS, TypeScript, React, NestJS, Java)

java javascript kafka nodejs spark typescript

Last synced: 03 Jul 2025

https://github.com/ekino/jcv

JSON Content Validator (JCV) allows you to compare JSON contents with embedded validation.

assertions assertj assertj-assertions hamcrest hamcrest-matchers java jcv json jsonassert testing wiremock wiremock-mappings

Last synced: 12 Apr 2025

https://github.com/oussamabonnor1/jetstory

JetStory is an open source android app made to help you spend your waiting time reading stories that have similar length to your available time.

android android-studio api app bootstrap csharp dotnet-core font-awesome java mobile-app open-source reading story time-management visual-studio-code xml

Last synced: 02 May 2025

https://github.com/team142/gg

An in-browser multiplayer tank battle game

babylonjs docker game gradle java javascript rollup spring spring-boot velociraptors websocket

Last synced: 08 Jul 2025

https://github.com/hongmaple/salted-fish

类似于闲鱼二手交易应用 具备手机端宝贝发布,购买,留言,收藏,订单管理,宝贝管理,发货管理 pc管理端可以进行宝贝交易代理,宝贝审核,人员管理,分类管理等功能。

java ssm vue

Last synced: 10 Mar 2026

https://github.com/ushelp/easybackup

Java 免费开源内容备份,压缩,远程发送一体化任务调度应用及引擎框架。Java content backup, compression, sending service application and engine framework.

application backup backups compression content-compression database database-backup database-backup-application easybackup-engine-framework easybackup-web-manger engine engine-framework java java-8 mysql project-backup system-backups

Last synced: 04 Oct 2025

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

ConfigCat SDK for Java. 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 configcat configuration configuration-management feature-flag feature-flags feature-toggle feature-toggles featureflags java remote-config

Last synced: 13 Aug 2025

https://github.com/mybatis/hazelcast-cache

MyBatis Hazelcast adapter

cache hazelcast java

Last synced: 21 Aug 2025

https://github.com/hoangsonww/string-manipulations

🔤 This repository hosts a "String Manipulations" tool, designed to perform various string functions such as removing leading and trailing spaces, among others. It provides a comprehensive set of operations for string handling, making it an invaluable resource for developers requiring advanced text processing capabilities in their projects.

java string string-algorithms string-manipulation string-matching stringify strings strings-java

Last synced: 10 Aug 2025

https://github.com/floriansw/grohe-ondus-api-java

Java implementation of the Grohe ONDUS API REST interface

api grohe java rest

Last synced: 04 Jul 2025

https://github.com/phiwa/dragontravel

A plugin for the Minecraft-servermods "Bukkit" and "Spigot".

bukkit bukkit-plugin contributions-welcome craftbukkit help-wanted java minecraft plugin spigot spigot-plugin

Last synced: 09 Sep 2025

https://github.com/nasa/ziggy

Ziggy, a portable, scalable infrastructure for science data processing pipelines, is the child of the Transiting Exoplanet Survey Satellite (TESS) pipeline and the grandchild of the Kepler Pipeline.

algorithm analysis arc data data-analysis data-reduction java k2 kepler linux macos nasa open-source pipeline science tess ziggy

Last synced: 09 May 2026

https://github.com/ewyboy/oretweaker

Add, remove, tweak and configure ore and underground generation features for Minecraft Forge

forge forge-mod java minecraft minecraft-forge minecraft-forge-mod mod modded modded-minecraft ore ores world-gen world-generation world-generator

Last synced: 04 Oct 2025

https://github.com/manifold-systems/manifold-sample-graphql-app

A sample application demonstrating the GraphQL Manifold

graphql java manifold

Last synced: 18 Aug 2025

https://github.com/tkuenneth/android-demos

This repo contains various Android demo apps

android java kotlin-android

Last synced: 14 Apr 2025

https://github.com/sshtools/icon-generator

A simple library for generating Java2D (Swing/AWT) and JavaFX icons in Java, with SWT support in an add-on.

awt fontawesome generator icons java javafx swing swt

Last synced: 26 Oct 2025

https://github.com/calimero-project/introduction

Code examples and additional documentation for using Calimero

examples java knx

Last synced: 18 Oct 2025

https://github.com/palahsu/tic_tac_toe

Tic Tac Toe Android Game With Source Codes. An unbeatable game of Tic Tac Toe. This tic-tac-toe game was developed using Android Studio

android android-app android-app-source-code android-application android-game android-game-source-code android-studio java tic-tac-toe tic-tac-toe-android tic-tac-toe-game tic-tac-toe-java tictactoe tictactoe-game

Last synced: 16 Oct 2025

https://github.com/danielaraldi/ds-delivery

DS Delivery is a web and mobile delivery application for users who want to register and deliver orders. 🍔 @devsuperior

expo heroku java mapbox netlify npm postgresql react-leaflet react-native react-select react-toastify reactjs spring-boot spring-initializr typescript

Last synced: 07 Oct 2025

https://github.com/brokiem/bedrockreplay

A Minecraft: Bedrock Edition proxy replay system

bedrock java minecraft replaymod

Last synced: 14 Oct 2025

https://github.com/ngageoint/mgrs-java

Military Grid Reference System Java Library

java mgrs military-grid-reference-system nga

Last synced: 14 Apr 2025

https://github.com/jillesvangurp/osm2geojson

Tool to convert open street map xml to geojson

geojson java openstreetmap-data osm

Last synced: 13 Jun 2025

https://github.com/playfab/javasdk

PlayFab SDK for Java applications

android java playfab

Last synced: 18 Aug 2025

https://github.com/grahamedgecombe/android-ssl

Android SSL certificate validation vulnerability detection tools.

android java ssl

Last synced: 27 Mar 2026

https://github.com/MoonWorm/jsonapi4j

Lightweight API framework for Java for building JSON:API compliant APIs with minimal configuration

api api-rest java json-api oas3

Last synced: 13 Mar 2026

https://github.com/sosow0212/2024-e-market

(~24.06) 교내 중고 거래 플랫폼

java junit5 mysql redis rest-docs spring-boot

Last synced: 14 Apr 2025

https://github.com/camunda-community-hub/camunda-7-migration

Fluent Java API for Camunda Platform 7 process instance migration

bpmn camunda camunda-7 java migration

Last synced: 13 Jul 2025

https://github.com/orienteerbap/jnpm

Native Java API to work with JavaScript Node Package Manager (NPM): query, retrieve, pack into jar (webjars), CDN

artifact frontend java npm resources

Last synced: 02 Aug 2025

https://github.com/cardano-foundation/cf-java-rewards-calculation

This java project is used to calculate the rewards of the Cardano blockchain. It aims to be both an edge case documentation and formula implementation.

calculation cardano java pool reserve rewards treasury

Last synced: 12 Jan 2026

https://github.com/anasmak04/gestion-des-stagiaires-projet-fil-rouge

project fil rouge spring boot angular 14 PostgresqL

angular java pfe spring spring-boot spring-security typescript

Last synced: 24 Apr 2025

https://github.com/project-openubl/xhandler-java

Java library for creating and sending XML files through SOAP - SUNAT

creditnote debitnote invoice java peru sunat ubl ubl20 ubl21 web-service wsdl wsdl-generation

Last synced: 07 May 2025

https://github.com/apache/ambari-infra

Apache Ambari Infra is a sub project of Apache Ambari.

ambari big-data java javascript python

Last synced: 12 Jun 2025

https://github.com/yandex-cloud/java-sdk

Yandex.Cloud Java SDK

java yandex-cloud

Last synced: 28 Apr 2025

https://github.com/fracpete/sizeofag

Determining size of Java objects.

java java-objects memory

Last synced: 22 Apr 2025

https://github.com/Scorpio-xu/2017NPU-Exam

2017级西工大软件工程考研复试机试题,java实现

bubble-sort java

Last synced: 01 Apr 2025

https://github.com/justinethier/avl-tree

Implementation of an AVL tree in Java

avl-tree java

Last synced: 12 Jul 2025

https://github.com/f-lab-edu/fkream

리셀 중고 거래 플랫폼인 KREAM을 모티브로 한 프로젝트

java mybatis mysql redis springboot

Last synced: 23 Apr 2025

https://github.com/teamapps-org/teamapps

TeamApps is a Java web application framework

java web-application-framework

Last synced: 10 Apr 2025

https://github.com/ivangfr/spring-boot-user-pass-auth-one-time-token-login

The goal of this project is to create a Spring Boot application called movies-app that allows users to log in using Username/Password Authentication and One-Time Token Login

docker java java-mail-sender mailpit one-time-token postgresql spring-boot spring-data-jpa spring-security spring-web-mvc thymeleaf

Last synced: 21 Jun 2025

https://github.com/version-fox/vfox-java

☕️Java plugin for vfox

graalvm java jdk openjdk sdkman vfox-plugin

Last synced: 10 Apr 2025

https://github.com/cansik/librealsense-java

Intel® RealSense™ SDK 2 wrapper for Java.

camera depth hacktoberfest intel java library realsense v2

Last synced: 06 May 2025

https://github.com/sadanandpai/dsa-in-js

Solutions to wide range of programs on Data Structures and Algorithms

algorithms datastructures graph java

Last synced: 27 Mar 2025

https://github.com/kstenschke/referencer-plugin

"Referencer" plugin for Jetbrains IDEs

intellij intellij-plugin java open-api phpstorm plugin

Last synced: 11 Apr 2025

https://github.com/souravdey777/github-cards-external-blogs

Add your medium blog in your Github profile. Using GitHub blog cards.

blogs dev-api github github-profile java medium medium-api medium-article profile tech-blog technology

Last synced: 14 Apr 2025

https://github.com/groupe-sii/ogham

Sending email, sms or whatever is a piece of cake

email hacktoberfest java sms spring-boot

Last synced: 13 Sep 2025

https://github.com/jaennova/kotlin

Guia para iniciar en la programacion, con el lenguaje de programacion Kotlin, llena de ejemplos, con ejercicios practicos y mas enunciados para seguir practicando.

aprende-a-programar aprende-kotlin aprender-a-codificar aprender-kotlin fundamentos-de-programacion java kotlin learn-kotlin learn-kotlin-lang learn-kotlin-language learn-to-code

Last synced: 18 Jul 2025

https://github.com/ajermakovics/json

Simple and convenient Json in Java

java json

Last synced: 13 Apr 2025

https://github.com/deveshrx/android-webrtc-firebase

Sample Android App for WebRTC with Firebase as backend

android firebase java webrtc

Last synced: 14 May 2025