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/r-koubou/kspsyntaxparser

Compiler program for KONTAKT Script Processor (KSP)

compiler computer-music java javacc kontakt kotlin ksp parser

Last synced: 19 Jun 2025

https://github.com/umutsevdi/service-discovery

Service Discovery & Load Balancing service implementation using UDP broadcasting and TCP

broadcast broadcast-receiver java java-socket java-socket-programming service-discovery service-discovery-patterns tcp-client tcp-server udp

Last synced: 10 Sep 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/ewyboy/movie-recommender

Movie / Film recommendation system built using Java utilizing knowledge graph technology.

genres imbd java movie-recommendations movies recommendation-system recommender-system select-movies sparql

Last synced: 09 Oct 2025

https://github.com/thorbenkuck/netcom2

NetCom2 is a highly modular Client-Server-Communication-Framework, in the style of an EventBus following the idea of "code less, do more".

client-server easy-to-use eventbus functional-programming gradle java java-8 maven modular network reactive serialization wiki

Last synced: 09 Oct 2025

https://github.com/arakelian/jackson-utils

Useful utilities when using Jackson for JSON serialization and deserialization

helper jackson java java-11 java-8 json serialization utility utility-library zoneddatetime

Last synced: 10 Apr 2025

https://github.com/anshumansinha3301/basic-banking-system

Basic Banking System using java

banking-system java

Last synced: 07 Oct 2025

https://github.com/apache/maven-doxia-sitetools

Apache Maven Doxia Sitetools

apache-maven build-management doxia java maven

Last synced: 19 Oct 2025

https://github.com/thirashapw/reargen

Native based fast android app development framework using html/css/js

android groovy html html-css-javascript java jdk

Last synced: 19 Oct 2025

https://github.com/sadcenter/mantle

Optifine's cape replacer.

java minecraft optifine spring-boot web-server

Last synced: 06 Mar 2026

https://github.com/sverrenystad/besieged

Besieged! is a cooperative, real-time multiplayer tower defense Android game, where players defend their village against waves of mythological creatures by strategically combining "tower-cards" to build unique towers, earning money from each kill to acquire more cards.

android cross-platform java libgdx software-architecture tower-defense-game

Last synced: 10 Apr 2025

https://github.com/dedoussis/algebrain-legacy

Computer Algebra System focusing on symbolic transformations

algebra antlr antlr4 computer-algebra computer-algebra-system java

Last synced: 14 Oct 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/uom-android-team2/WeBall_Statistics

The WeBall Statistics application is a league statistics application for basketball, which was created as part of the course "Apps development for Mobile Devices" (University of Macedonia - Applied Informatics, academic year 2021-2022, 6th semester)

6th-semester android android-app android-development android-studio applied-informatics basketball-stats firebase-realtime-database java mysql-database postman realtime-database statistics uom xampp

Last synced: 12 Mar 2025

https://github.com/dnd-side-project/dnd-11th-7-backend

모두의 일정을 한눈에! 간편한 일정 조율 서비스, 째깍

java spring

Last synced: 17 Mar 2025

https://github.com/arun-gupta/vault-kubernetes

Application secrets using Kubernetes and Vault

docker java kubernetes secrets vault

Last synced: 29 Apr 2025

https://github.com/marcoscgdev/leg

Say goodbye to log tags!

android easy java kotlin log logging tag tags

Last synced: 12 Oct 2025

https://github.com/informaticsmatters/squonk

Squonk platform and computational notebook

chemaxon docker gradle java openshift rdkit squonk

Last synced: 06 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/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/urunov/spring-projects-for-beginners-advanced

Java Fundamental, OOP, Collection Framework, Lambda, Stream API, File System

database-schema java redis-cache spring-boot spring-data-jpa spring-security

Last synced: 27 Feb 2026

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

Java Client SDK for Stateful.co

java java-sdk locks multi-node synchronization

Last synced: 01 Apr 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/jmcurbelo/curso-apache-maven

Repositorio oficial para el curso Apache Maven: Construcción de proyectos de cero a avanzado

apache-maven build-tool java scala

Last synced: 26 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/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/myoss-cloud/myoss-mybatis

myoss open source project, mybatis written in Java

java mybatis spring-mybatis

Last synced: 02 Mar 2026

https://github.com/touchbit/retrofit-veslo

Extension of the 'Retrofit' library for developing automated tests for API testing.

api-client api-testing java java-api-testing retrofit2

Last synced: 28 Jan 2026

https://github.com/sothirich/coffeeshopsystemmanagement

A simple Coffee Shop Management System by using JavaFX. It is designed to make it easier for Customer to make an order by themselves and for Seller to calculate profits per month and so on.

coffee-management coffee-shop database-management java javafx javafx-application javafx-desktop-apps visual-studio-code vscode

Last synced: 05 Mar 2026

https://github.com/annimon/simplevm

Simple virtual machine

demo disassembler java virtual-machine

Last synced: 05 Mar 2026

https://github.com/merail/incoming-call-handler

Android application for handling incoming calls.

android broadcastreceiver call incoming java

Last synced: 01 Mar 2026

https://github.com/pieking1215/invmove-fabric

Minecraft Fabric mod that adds the ability to walk around while in inventories

java minecraft minecraft-fabric minecraft-fabric-mod minecraft-mod

Last synced: 14 Feb 2026

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: 01 Nov 2025

https://github.com/logto-io/kotlin

🔮 Build authentication and authorization with Logto Kotlin SDK.

android authentication authorization java jwt kotlin kotlin-android logto mfa multi-tenant oauth2 oidc saml sdk sso

Last synced: 26 Jul 2025

https://github.com/tuxcoding/craftapi

Minecraft library for contacting the Mojang API. Experimenting with Unit-Tests

authentication cache java minecraft mojang skin unit-tests uuid

Last synced: 23 Jul 2025

https://github.com/schwartzblat/ultimatepatcher

Generic patcher for APKs that allow you to patch APKs with java instead of smali.

android apk apktool java patch patcher reverse-engineering smali

Last synced: 18 Feb 2026

https://github.com/whaleal/icefrog

【 Java 工具类集合 】 IceFrog is a suite of core and expanded libraries that include utility classes, collections, I/O classes, and much more.a tools like Guava ,apache commons,hutool. 以这些类库为基础,造自己的轮子。

icefrog java tools

Last synced: 26 Jul 2025

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/jansanz/tumblroauthdemo

Tumblr oAuth demo for Android using SignPost

android java oauth oauth2 tumblr

Last synced: 30 Jul 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/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/csfelix/java-jsp-html-css-javascript-jquery-sort-generator

☕🌐 Have you a lotta unsorted datas? Use Sort Generator, turn you life easy!! 🌐☕ (🔑 KeyWords: Java, JSP, HTML, CSS, JavaScript, JQuery 🔑)

css html java javascript jquery js jsp

Last synced: 02 Nov 2025

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/widelands/wl_addons_server

Provides the add-ons server and all add-ons for the Widelands game.

addon java server

Last synced: 29 Jul 2025

https://github.com/denniszielke/serverless-job-engine

Demo for job processing using Java on Azure Container Apps using Quarkus and Dapr

azure azure-container-apps dapr datadog grafana java prometheus quarkus serverless

Last synced: 06 Apr 2025

https://github.com/waikato/tiny-weka

Bare minimum API of Weka 3.9.x, without package manager, PMML, XML or user interface.

java weka weka-api

Last synced: 02 Aug 2025

https://github.com/rikcarve/mp-config-consul

Eclipse microprofile config consul extension

consul java microprofile

Last synced: 25 Jan 2026

https://github.com/bvolpato/inutils4j

:nut_and_bolt: Utilities API for Java

java productivity string utilities

Last synced: 22 Mar 2025

https://github.com/georgemoralis/protoerp

Λογισμικό τιμολόγησης - εμπορικής διαχείρισης ανοικτού κώδικα

accounting apache-shiro database erp-application hibernate hikaricp java javafx jdk15 jinq liquibase lombok mydata mysql-connector-java

Last synced: 04 Oct 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/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/kyriechao/failure

一个Spring Boot 参数验证与业务异常处理框架。专为提升开发体验而设计,支持链式调用、注解驱动以及标准的 Bean Validation 集成。

annotation fail-fast fail-strict failure java maven-central spring-boot-3 starter validation

Last synced: 28 Apr 2026

https://github.com/sunsided/android-bluetoothspp

Android Bluetooth SPP test

android bluetooth experiment java

Last synced: 11 Jun 2025

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

Spring Security OAuth2 + MongoDB

java oauth2 spring

Last synced: 18 Jan 2026

https://github.com/mikeghen/unomi-tutorial

Install and use Apache Unomi on Ubuntu 18

apache-unomi elasticsearch java python ubuntu

Last synced: 12 Apr 2025

https://github.com/bailuk/gtk-meteo

Weather forecast application based on mapsforge-gtk and java-gtk

gtk4 java kotlin openstreetmap weather-app

Last synced: 18 Jul 2025

https://github.com/zirouan/android-mvp

Simple project using MVP + Data Binding + Retrofit + Dagger + RxJava, Unit and UI Test

android androidmvp dagger2 databinding java mockito mvp mvp-android mvp-architecture retrofit2 rxjava unit-test

Last synced: 08 May 2025

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/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/josdem/reactive-webflux-security

Shows how to use spring security in reactive webflux applications

gradle java mongodb spring-security thymeleaf webflux-security

Last synced: 22 Apr 2025

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/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/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/vineetagarwal-code/30-java-projects

A Simple Repo for all programmers and coders. All contributors are requested to star🌟this repo and and folllllow me. Contribute to start your journey . Happy Hacking💻!!!

git github hacktoberfest java javascript open-source

Last synced: 11 Jul 2025

https://github.com/woefe/xmlrss

Redactable Signatures for Java

cryptography java jca signatures

Last synced: 07 May 2025

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/gokcan/mafia-tcos

🌆 Mafia: The City of Sin is a text-based RPG

game-development java object-oriented-programming rpg-game text-based-adventure

Last synced: 12 Apr 2025

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

Java library for musical analysis

java music-theory

Last synced: 22 Apr 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/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/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/jabrena/101-ddd

A talk about Strategic DDD.

ddd domain-driven-design java

Last synced: 18 Mar 2025

https://github.com/ashrawan/apache-poi-chart-sample

A Sample code showcasing how to work with Apache POI Excel file and smart charts.

apache-poi excel excel-chart java poi spring-boot xlsx

Last synced: 11 Apr 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/nielsbasjes/prefixmap

A Map type data structure intended to store prefixes instead of keys.

datastructures java prefixmap

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/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/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