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/botblock/javabotblockapi

Java Wrapper for the BotBlock API [Java - maintained by @Andre601]

botblock discord discord-api hacktoberfest java

Last synced: 12 Jul 2025

https://github.com/comidan/heartbeatprotocol

Heartbeat protocol written in Java, working over UDP

heartbeat-protocol java network udp

Last synced: 14 Apr 2025

https://github.com/offa/nbcndunit

NetBeans C/C++ unit testing plugin – supporting CppUTest, GoogleTest (gtest) / GoogleMock (gmock) and libunittest C++.

c cpp cpputest googletest java netbeans netbeans-plugin unit-testing

Last synced: 14 May 2025

https://github.com/yugabytedb-samples/openai-pgvector-lodging-service

A lodging recommendation service for properties in San Francisco, powered by OpenAI and the PostgreSQL pgvector extension.

java nodejs openai openai-api pgvector postgresql react yugabytedb

Last synced: 15 May 2025

https://github.com/abranhe/allalgorithms-java

The All ▲lgorithms Java Library

algorithms allalgorithms java java-library javalibrary

Last synced: 23 Mar 2025

https://github.com/trainingbypackt/java-fundamentals

A fast-paced and pragmatic introduction to one of the world's most popular programming languages

collections-framework exception-handling iterators java switch-case

Last synced: 10 Aug 2025

https://github.com/tkuenneth/nativeparameterstoreaccess

A small Java library to access the Windows registry, Linux dconf and macOS defaults

java kotlin library linux macos windows

Last synced: 14 Apr 2025

https://github.com/nvuillam/njre

Easily install and use JRE from a Node application.

adoptopenjdk java javaw jdk jre openjdk

Last synced: 29 Jun 2026

https://github.com/geocine/sjremote

A remote control for SJCam on Android via wifi

android java record-video sjcam

Last synced: 19 Mar 2025

https://github.com/goodforgod/dummymaker

🧰 Generates random Java Classes/Records for you.

bean data dto dummy easy-random entities export factory fill generate java pojo random random-generation record

Last synced: 20 Mar 2025

https://github.com/VLSMB/ecommerce

简易版抖音电商

backend java mybatis redis springboot

Last synced: 17 Jan 2026

https://github.com/prasoonsoni/wss-wannasaysomething

It’s a fresh take on anonymity. We believe anonymity should be a fun yet safe place to express your feelings and opinions without shame. Young people don’t have a space to share their feelings without judgement from friends or societal pressures. WSS provides this safe space for teens.

android-studio anonymous-message application expressjs java javascript mongodb nodejs portfolio reactjs website

Last synced: 13 Apr 2025

https://github.com/shaishavgandhi/navigator

Annotation processor that eliminates navigation and Bundle boilerplate

activity android annotation-processor boilerplate bundle fragments java navigation

Last synced: 13 Apr 2025

https://github.com/theseems/clinq

Experimental validation mini-framework

declarative java token validation

Last synced: 13 Apr 2025

https://github.com/huichuanli/visible-algoritme-java

实现算法可视化使用java + swing<Play Data Structures in Java>. 《Java语言玩转数据结构》代码。

algorithms java swing swing-gui

Last synced: 26 Jun 2025

https://github.com/oldratlee/java-compiler-demo

Demo project of creating dynamic applications with javax.tools.JavaCompiler

classloader compiler dynamic-app dynamic-compiler java

Last synced: 21 Mar 2025

https://github.com/oeljeklaus-you/bookstore

JavaWeb项目:主要的功能模块主要有订单管理、购物车、支付管理

java java-web

Last synced: 05 Apr 2025

https://github.com/rahmanusta/java15-edu

Java 14 Features

java java-14

Last synced: 13 Apr 2025

https://github.com/crykn/guacamole

A small collection of utilities for libGDX games.

java libgdx utilities

Last synced: 22 Mar 2025

https://github.com/preemptive/r8-docs

The Unofficial Documentation for R8

android dasho java kotlin obfuscation proguard r8

Last synced: 28 Jan 2026

https://github.com/cassiomolin/lucene-example

Example of application for indexing and searching with Apache Lucene.

java lucene

Last synced: 01 Sep 2025

https://github.com/ciscodevnet/webex-contact-center-dbconnector

The Webex Contact Center DB Connector project enables access to SQL data sources from Webex Contact Center flow designer.

angular java jdbc mssql-database mssql-server mysql mysql-database rest-api sql

Last synced: 08 Mar 2026

https://github.com/faritor/unmz-common-util

常用的Java工具类

common date devtools html image java json md5 util

Last synced: 12 Jan 2026

https://github.com/livotovlabs/webapplicationskeleton

Ready to use, 100% Java, gradle powered, lightweight and scalable web-application template with all the major modules, typically required for every project - Backend with DAO and database persistence, IoC, timer services, REST API with client, rich web UI - all without the fat JEE stuff. Use it as a starting point for your new Java Web App

backend bootstrap gradle ide intellij ioc java java-web jee skeleton template webapp

Last synced: 03 Feb 2026

https://github.com/nameisjayant/android-java-mvvm-with-roomdatabase-retrofit-and-recyclerview

we are going to build a simple project with the help of Room Database , ViewModal , LiveData and Retrofit. So, What is the agenda of this project? First we will send a retrofit request to the web server for json data, then after fetching json data from the server , we will store that data into Room Database and then shows into the recyclerview. Alright!

android androidstudio api java retrofit roomdatabase

Last synced: 04 Jul 2025

https://github.com/stephengold/j-ogg-all

Open-source JVM libraries for reading Ogg bitstreams and decoding the media they contain.

audio codec decoder flac java jvm-library library mdct modified-discrete-cosine-transform ogg ogg-vorbis open-source streaming-audio vorbis

Last synced: 14 Apr 2025

https://github.com/joel-costigliola/assertj-neo4j

Assertions for Neo4J

assertj java neo4j

Last synced: 22 Mar 2025

https://github.com/dbeaver/dbeaver-common

Common utils and dependencies for all DBeaver projects

database dbeaver java tycho

Last synced: 24 Apr 2025

https://github.com/turbolent/lila

Lila is a dynamic language running on the JVM with efficient multiple and predicate method dispatch

dispatch dynamic-languages java jruby jvm lila multiple-dispatch multiple-inheritance predicate-dispatch thesis

Last synced: 23 Apr 2025

https://github.com/geningxiang/javadoc-help

JavaDoc工具 解析Java源码注释,生成api文档、接口文档

apidoc doc java javadoc swagger

Last synced: 14 Jan 2026

https://github.com/sumonta056/sumonta056.github.io

New One : https://sumonta056.vercel.app/

css3 html5 java javascript portfolio-website

Last synced: 23 Apr 2025

https://github.com/milpol/gorilla4j

Implementation of time series compression method based on the Facebook Gorilla paper

gorilla java timeseries timeseries-data

Last synced: 14 Jan 2026

https://github.com/derklaro/aerogel

A very lightweight jvm dependency injection library

dependency-injection di hacktoberfest java

Last synced: 04 Sep 2025

https://github.com/han1396735592/common-rxtx

简单 串口操作、串口通信

java rxtx rxtxcomm serialport

Last synced: 28 Feb 2025

https://github.com/meltmedia/dropwizard-crypto

A Crytpographic Bundle for Dropwizard

cryptography dropwizard dropwizard-bundle encryption java

Last synced: 22 Apr 2025

https://github.com/apache/maven-2

Mirror of Apache Maven 2

build-management java maven

Last synced: 09 Apr 2025

https://github.com/terroo/spaceship

A basic game made with Java and LibGDX

java libgdx

Last synced: 23 Apr 2025

https://github.com/qs-lll/android-ipfs-api

A Android implementation of the HTTP IPFS API

android api ipfs java local node

Last synced: 13 Apr 2025

https://github.com/valentinefernandes/programming-books-or-references

These are some programming books which will be helpful for you.

css html java javascript

Last synced: 23 Apr 2025

https://github.com/hoangsonww/software-design-patterns

🎨 A comprehensive exploration of object-oriented design patterns, featuring fully implemented examples like inheritance, composition, observers, decorators, and factory methods. Built with Java to demonstrate their real-world applications in scalable and maintainable software design.

decorators design design-patterns exceptions factory-method-pattern factory-pattern inheritance iterator java maven model-view-controller multiton mvc-pattern object-oriented-programming observer observer-pattern oop singleton software-design

Last synced: 13 Jul 2025

https://github.com/shubh2-0/basic-java

The Basic Java repository is a beginner's guide to Java programming. It includes examples and programs covering object-oriented programming, arrays, methods, and more. Whether you're new to Java or looking to strengthen your skills, this repository is the perfect resource to learn and practice Java programming concepts. 🚀📚

array boolean character class datatype float integer java java-classes object object-oriented-programming string

Last synced: 17 Mar 2026

https://github.com/shubh2-0/runnable_vs._callable

This GitHub repository explores Runnable and Callable interfaces in Java. It provides examples and code implementations to demonstrate their usage in concurrent programming. Learn the differences and when to use each interface. Enhance your understanding of these Java interfaces.

callable interfaces java java-8 multi-threading runnable threading

Last synced: 24 Oct 2025

https://github.com/googlecloudplatform/alloydb-java-connector

A Java library for connecting securely to your AlloyDB instances.

alloydb java socket-factory

Last synced: 20 Oct 2025

https://github.com/hugmanrique/cellarium

:file_folder: A typesafe heterogeneous container API

java map

Last synced: 16 Mar 2025

https://github.com/prat-man/unique4j

Java library to allow only single instance of a java application to run and enable communication between first instance and subsequent instances

java lock single-instance single-instance-app socket sockets

Last synced: 10 Apr 2025

https://github.com/manoelcampos/sistemas-distribuidos

E-Book e projetos de sistemas distribuídos 🖥🕸

distributed-systems ejb java javascript nodejs rest soap socket websocket

Last synced: 12 Mar 2026

https://github.com/mweirauch/metrics-jvm-extras

A set of additional metrics complementing Dropwizards metrics-jvm.

dropwizard java jvm metrics

Last synced: 10 Apr 2025

https://github.com/hongzhaohua/jstarcraft-dip

专注于解决数字图像处理领域的几个核心问题:图像转换,图像相似度,目标定位,目标检测,图像分割,图像聚类和图像分类. 为相关领域的研发人员提供完整的通用设计与参考实现. 涵盖了多种数字图像处理,计算机视觉,计算机图形算法.

cg cv dip java

Last synced: 09 Oct 2025

https://github.com/jaredkoontz/geohashesinpolygon

:small_red_triangle: :small_blue_diamond: Find all the geohashes in a polygon. Implemented in Java

geohash-tiles geohashes java polygon

Last synced: 10 Oct 2025

https://github.com/tmatz/android-unistroke-keyboard

Unistroke Handwriting Input Method for Programming

android android-aide gesture handwriting-recognition input-method java

Last synced: 18 Jan 2026

https://github.com/norconex/commons-lang

Generic library shared between several projects.

java library

Last synced: 29 Apr 2025

https://github.com/anuken/novi

A 2D multiplayer shooter.

game-2d java libgdx multiplatform multiplayer

Last synced: 01 May 2025

https://github.com/yegor256/jaxec

Primitive execution of command line commands from Java (mostly useful for tests)

cli exec java java-library

Last synced: 27 Mar 2025

https://github.com/amrdeveloper/snapmacro

Free and Open source Cross-platform bot creator with a new scripting language called snap to interact with the mouse, keyboard, and screen using Snap scripting language

bot-creator hacktoberfest interpreter java javafx macro scripting-language snap snap-scripting-language

Last synced: 12 Apr 2025

https://github.com/ashish2030/design-a-valet-parking-system-using-java

:octocat: 🌟ᴛʜɪꜱ ɪꜱ ᴛʜᴇ ꜱᴏʟᴜᴛɪᴏɴ ᴏꜰ ꜰᴀᴍᴏᴜꜱ ᴀᴍᴀᴢᴏɴ Qᴜᴇꜱᴛɪᴏɴ ꜰᴏʀ ꜱᴅᴇ1 ʀᴏʟᴇ ɪɴ ᴜꜱ ᴀɴᴅ ᴀʟꜱᴏ ᴀꜱᴋᴇᴅ ʙʏ ᴅɪʀᴇᴄᴛᴏʀ ᴏꜰ ᴡᴏʟʟꜰɪꜱʜ ᴘʀɪᴠᴀᴛᴇ ʟɪᴍɪᴛᴇᴅ 💻 🎯 🚀

12lpa 40k-stipend amazon-us java sde system-design-interview wollfish-private-limited

Last synced: 11 Apr 2025

https://github.com/niesfisch/tokenreplacer

Token Replacer is a simple and small Java Library that helps replacing tokens in strings. You can replace the tokens with static values or create values "on-the-fly" by calling a generator. You can even pass arguments to the generator which makes it pretty powerful.

generator java regex replacement tokenizer

Last synced: 10 Apr 2025

https://github.com/drako01/java-59570

Repositorio con todas las Actividades repasadas en Clase a lo largo del Curso

api-rest eclipse-ide java jpa-hibernate mysql spring-boot sql

Last synced: 03 May 2025

https://github.com/apache/servicemix-documentation

Mirror of Apache ServiceMix Documentation

java network-client network-server osgi scala servicemix xml

Last synced: 10 Apr 2025

https://github.com/codestates-seb/seb40_main_006

위치 기반 스터디 모집 플랫폼 JamIt 🍓

aws-ec2 java javascript react spring vercel

Last synced: 13 Apr 2025

https://github.com/svenruppert/docker-image-generator

Generator for generating a bunch of developer docker images

docker docker-image generator jabba java jdk maven ruppert sven

Last synced: 25 Jun 2025

https://github.com/ashish2030/pacman-game

This is my famous packman Game

cmd fileinputstream java

Last synced: 11 Apr 2025

https://github.com/stallion-x/hospital-queuing

医院排队叫号系统 大作业 A school assignment(experiment) for JSP, a simple hospital queuing Web system made by pure JSP,HTML,CSS,Javascript without any framework

css html java javascript jsp jsp-servlet mvc servlet servlet-mvc

Last synced: 30 Apr 2025

https://github.com/lemon8866/StreamVault

支持多平台的视频下载,基于 Java 支持 Docker 快速部署

bilibili douyin java nfo video yt-dlp

Last synced: 04 May 2025

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

The official Treblle SDK for Java. Seamlessly integrate Treblle to manage communication with your dashboard, send errors, and secure sensitive data.

api api-monitoring api-observability backend developer-tool java java-spring-sdk logging rest-api restful-api sdk sdk-java spring spring-backend treblle treblle-sdk

Last synced: 08 Jul 2025

https://github.com/yihleego/mypages

📖 MyPages is a java based, open source pagination plugin for MyBatis that simplifies database paging queries. Many databases, one plugin.

antlr antlr4 database java mybatis mybatis-page mybatis-plugin mysql oracle page pageable pagination postgresql spring-boot sql

Last synced: 12 Apr 2025

https://github.com/tuannh982/phantom

Simple, fast Key-Value storage. Inspired by HaloDB

database from-scratch hash-indexes java key-value key-value-database

Last synced: 11 Apr 2025

https://github.com/loohp/holomobhealth

Display Mob Health above head through packets!

java minecraft papermc spigot-plugin spigotmc

Last synced: 07 Sep 2025

https://github.com/tap30/hiss

A simple Java/Kotlin field-level encryption library.

encryption java kotlin

Last synced: 15 Apr 2025

https://github.com/common-workflow-language/cwljava

Java SDK for the Common Workflow Language standards

commonwl cwl java

Last synced: 19 Aug 2025

https://github.com/rongfengliang/ows-project

office web app server 文档预览部署&&wopi 集成

java officeonline wopi

Last synced: 30 Apr 2025

https://github.com/guillaumefalourd/java-trilha-basica

Trilha de introdução ao uso de Java no Back-End 📚☕️🇧🇷

back-end challenges java learning mentoring spring-boot

Last synced: 23 Mar 2025

https://github.com/software-challenge/backend

Server, Client und Spiel-Plugins der Software-Challenge Germany

java jvm kotlin server software-challenge xstream

Last synced: 10 Apr 2026

https://github.com/sabyasachi-seal/codinginjava

This is where I keep the Java Codes I Practice

dsa java learning practice

Last synced: 01 Jul 2025

https://github.com/pieter12345/javaloader

A Bukkit plugin which allows loading, unloading and compiling java projects in runtime.

bukkit coding craftbukkit java minecraft runtime

Last synced: 26 Oct 2025

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

Sales Tax API Client for Java

ecommerce java sales-tax sales-tax-api taxjar

Last synced: 14 Apr 2025

https://github.com/bzdgn/apache-fop-example

Basic apache fop example to generate PDF file

apache-fop fop java pdf

Last synced: 11 Apr 2025

https://github.com/mkyral/josm-tracer

A tracer plugin for josm

java josm-plugin lpis ruian

Last synced: 11 Mar 2026

https://github.com/sebasbaumh/mapbox-vector-tile-java

Java Mapbox Vector Tile Library for Encoding/Decoding

java jdk21 jts mapbox mapbox-vector-tile vector-tiles

Last synced: 14 Jan 2026

https://github.com/danny02/jopenctm

Java implementation of the openCTM Mesh compression file format

3d-models compression format java openctm opengl

Last synced: 05 Jul 2025

https://github.com/theanasuddin/stationary-shop-management

A small project on OOP from the book Object Oriented Programming by Zohirul Alam Tiemoon written in Java. Swing GUI widget toolkit API is used to design the graphical user interface. Executable Java ARchive file is available to download. Download JAR: https://cutt.ly/rmkKuOs

java java-gui-application java-swing management-system object-oriented-programming oop oops oops-in-java stationary-management swing-api zohirul-alam-tiemoon

Last synced: 28 Apr 2025

https://github.com/danny02/graalvm-docker

Simple Docker Image for trying out GraalVM

docker-image graalvm java

Last synced: 24 Apr 2025

https://github.com/p2-inc/phasetwo-java

Phase Two API Java SDK

alpha java sdk

Last synced: 14 Jan 2026

https://github.com/ralscha/extclassgenerator

Ext JS code generator. Creating model js classes from java classes

annotation-processor extjs java

Last synced: 14 Jun 2025

https://github.com/objectionary/eo-files

Input/Output and File System Objects for EO Programming Laguage

eolang java

Last synced: 14 Jan 2026