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/pegasystems/pega-alertanalyzer

AlertAnalyzer is a tool that can be used to analyze PegaRULES ALert log files and render insights into performance issues

alertanalyzer gradle java pega pega-alertanalyzer

Last synced: 12 May 2025

https://github.com/jonathangiles/cloud-sync

Java application that runs in background to automatically sync backup sets (from local file system) up to cloud storage containers (e.g. on Azure)

azure backup java

Last synced: 08 Mar 2026

https://github.com/daniel-frak/dummy4j

An extensible dummy/fake data generator library for Java

data dummy faker generator java

Last synced: 12 Jan 2026

https://github.com/jhump/bluegosling

Experiments in Java: Neat stuff, 'nuff said

annotations collections concurrency java reflection utils

Last synced: 10 Apr 2025

https://github.com/stephengold/asm

A small and fast library for manipulating Java bytecode.

asm bytecode bytecode-manipulation java jvm-bytecode jvm-library library open-source ow2-asm

Last synced: 14 Apr 2025

https://github.com/stephengold/garrett

A collection of camera controllers for JMonkeyEngine

camera-controllers java jme3 jmonkeyengine jmonkeyengine3 jvm-library library open-source orbit

Last synced: 14 Apr 2025

https://github.com/simple-java-mail/smtp-connection-pool

Lightweight SMTP connection pool with clustering support, wait/release mechanism, connection lifecycle management, eager/lazy loading pool with load balancing and auto-expiry policy support

concurrency connection-pool high-performance java pool smtp transport

Last synced: 16 Jan 2026

https://github.com/chaoyangnz/zava

Mini Java VM in Zig

bytecode java java-8 jvm zig

Last synced: 22 Mar 2025

https://github.com/xxrjun/cs61b-sp21

📖 Self-study of CS61B, the CS course (Data Structures, Spring 2021) at UC Berkeley by Josh Hug.

cs61b cs61b-sp21 data-structures java

Last synced: 12 Apr 2025

https://github.com/JGameEngine/JGameEngineProtocol

使用protobuf3构建的消息协议配置文件(服务端和客户端通讯的协议)支持c++,c#,java,python,js,ts

csharp java protobuf protocol

Last synced: 14 May 2025

https://github.com/marcopiii/telegrambot

A project template to create a clean, scalable and easy Telegram Bot with Java.

boilerplate java telegram telegram-bot template

Last synced: 08 Oct 2025

https://github.com/knime/knime-excel

KNIME Excel Support Extension

excel java knime poi workflow

Last synced: 21 Jan 2026

https://github.com/kavithma-thushal/chatapplication

Chat Application via Client-Server Architecture (Socket Programming Coursework)

chat-application java javafx simple-ui socket-programming

Last synced: 05 Oct 2025

https://github.com/socketbyte/opengui

Simple GUI management solution.

java minecraft-api

Last synced: 17 Oct 2025

https://github.com/noushinb/selenium-webdriver-java-testing-example

This repository demonstrates using Selenium WebDriver with Java, JUnit, BDD, Cucumber, and Gherkin for browser automation and UI testing. It includes a framework for WebDriver management, reusable UI methods, page objects, and example tests with scenarios.

bdd cucumber gherkin java junit page-object-model qa-automation selenium selenium-webdriver-java-junit-cucumber-gherkin test-automation

Last synced: 15 Oct 2025

https://github.com/minimallycorrect/javatransformer

Applies transformations to .java and .class files

java java-bytecode java-source java-transformation

Last synced: 14 Oct 2025

https://github.com/apache/causeway-app-simpleapp

Apache Causeway™ software is a framework for rapidly developing domain-driven apps in Java. This repo contains a sample app to use as a template for getting you started.

ddd domain-driven-design java naked-objects rad rapid-application-development restful-objects web-framework

Last synced: 19 Oct 2025

https://github.com/cloudfoundry-community/tomee-buildpack

Cloud Foundry buildpack for running Java applications using TomEE

buildpack cloud-foundry java java-buildpack tomee

Last synced: 13 Oct 2025

https://github.com/raghavtilak/paint

This app provides a canvas on which your can draw anything free handed and can save that as an image file. Utilities like stroke color, stroke width etc. are also available.

android canvas hackoctoberfest hacktoberfest hacktoberfest-accepted hacktoberfest-android hacktoberfest2023 java paintapp

Last synced: 07 Oct 2025

https://github.com/radd/rest-service-gps

REST service for sharing and following GPS coordinates (part of the real-time tracking system)

java jwt mongodb rest-api spring-boot stomp websocket

Last synced: 29 Apr 2025

https://github.com/manifold-systems/github-traffic

GitHub traffic CLI utility with bonus features

cli github-traffic java

Last synced: 03 Mar 2026

https://github.com/byteit101/pio-debugger-emulator

RP2040 PIO Emulator & Debugging Environment

debugging-tool emulator gui ide java pio rp2040

Last synced: 06 Oct 2025

https://github.com/kazssym/bitbucket-api-client.java

A Client API for Bitbucket® Cloud for the Java™ language.

ajax bitbucket cdi java javaee javaee7 javase jax-rs jsf json-p

Last synced: 23 Oct 2025

https://github.com/jenkinsci/zos-connector-plugin

Plugin for connection of Jenkins CI to IBM zOS including integration of IBM SCLM as SCM.

ci ibm-sclm ibm-zos java jcl jenkins-ci sclm scm zos zos-connector-plugin

Last synced: 19 Oct 2025

https://github.com/gayanukaa/companya-backend

Backend for Subsystems of Company A

azure java mongodb ngnix-server spring-boot

Last synced: 19 Oct 2025

https://github.com/phollemans/vertigo

Data visualization software for displaying NetCDF and OPeNDAP earth science data on a 3D sphere

3d-graphics earth-science java javafx netcdf noaa-coastwatch opendap openjfx scientific-visualization

Last synced: 18 Oct 2025

https://github.com/AchiyaCT/ALPHA-V4

World best Sinhala/English WhatsApp Button Bot Developer Achi Fernando Enjoy Our Bot

alpha bot html java pyhton users whatsapp

Last synced: 11 Mar 2025

https://github.com/gabriel-logan/gerador-cpf-e-cnpj-valido

Este repositório fornece funções em JavaScript, Python, Go, C e Java para gerar números válidos de CPF (Cadastro de Pessoas Físicas) e CNPJ (Cadastro Nacional da Pessoa Jurídica) para o Brasil.

c cnpj communityexchange cpf cpf-valido educative frontendmasters generator gerador gerador-cnpj gerador-cpf github github-copilot github-pages java javascript learn python student-vscode typescript

Last synced: 21 Jan 2026

https://github.com/falsepattern/jwin32

Win32 and DirectX mappings for java using Project Panama. Ignore the C# tag, it's just reference code used for decompilation

directx directx-11 directx11 experimental ffi ffi-bindings ffi-wrapper java java-17 java-panama mapping panama tutorial win32 win32-api win32api windows wrapper

Last synced: 23 Oct 2025

https://github.com/appform-io/signals

Loosely coupled observer pattern implementation

apache2 design-patterns java java11 observer-pattern

Last synced: 10 Apr 2025

https://github.com/selimhorri/end-studies-project-mobile

Android app, End studies' project

android android-studio gradle java

Last synced: 15 Mar 2026

https://github.com/opentracing-contrib/java-thrift

OpenTracing instrumentation for Apache Thrift

java opentracing thrift

Last synced: 11 Oct 2025

https://github.com/apache/sling-org-apache-sling-servlets-post

Apache Sling Default POST Servlets

java servlets sling

Last synced: 19 Oct 2025

https://github.com/sualeh/pointlocation6709

Java support for ISO 6709 representation of geographic point location by coordinates

geolocation java java-library

Last synced: 10 Apr 2025

https://github.com/marthym/juery

Juery is a tiny Java library to manage search and filter query from user to database.

http-requests java jooq rest

Last synced: 10 Apr 2025

https://github.com/decebals/auditor

Auditing micro framework for Java

auditing java

Last synced: 10 Apr 2025

https://github.com/muhammad-salem/ariia

download manager, with its RESTful API server, and web ui with angular or aurora SPA

angular ariia bootstrap-grid cookies disk download-manager http-client java java-11-http-client metalink mvc-framework okhttp restful-api streaming

Last synced: 11 Oct 2025

https://github.com/shadowss/mafiacrimes

MafiaCrimes is the game about MOBS

css java php smarty

Last synced: 14 Mar 2026

https://github.com/aof-dev/openjdk-jdk8u-aarch32-android

openjdk aarch32 android port

aarch32 arm java jvm openjdk openjdk8

Last synced: 07 Oct 2025

https://github.com/allenai/ml

Re-usable low-level ML components

crf java lombok

Last synced: 13 Oct 2025

https://gitlab.com/visnow.org/VisNow

Generic visualization framework

3D java java3d scivis visnow visualization

Last synced: 17 Jan 2026

https://github.com/arpitbatra123/currencyconverter

🤑 Currency Converter, an Android Application to Convert between different currency formats.

android api java json

Last synced: 14 Oct 2025

https://github.com/f-lab-edu/modu-ui-market

자신만의 마켓을 만들어 물건을 판매할 수 있는 오픈마켓 서비스입니다.

java junit5 mysql spring-boot

Last synced: 12 Oct 2025

https://github.com/tginsberg/java-timestream

A set of builders that create streams of java.time objects

java java-8 java-time stream

Last synced: 31 Aug 2025

https://github.com/apache/servicemix5

Mirror of Apache ServiceMix 5

java network-client network-server osgi scala servicemix xml

Last synced: 23 Jul 2025

https://github.com/phoenix616/versionconnector

Bungee plugin to connect different Minecraft client versions to different servers on join

bukkit bungee bungeecord forge java minecraft plugin protocol spigot

Last synced: 23 Mar 2025

https://github.com/mchernyakov/various-ttl-map

Thread-safe map (cache) with various time to live of keys

cache java map thread-safe-cache thread-safety ttl ttl-cache ttl-map

Last synced: 07 Apr 2025

https://github.com/akhilerm/castle

An open source implementation of the Google Foobar challenge

bash docker foobar google-foobar java jquery-terminal laravel online-compiler python shell

Last synced: 23 Mar 2025

https://github.com/mehmettemizkan/learningjava

This repo contains demo programs written in Java.

java mehmettemizkan

Last synced: 01 Sep 2025

https://github.com/anuken/ludumdare46

Ludum Dare 46 entry

html5-game java ludum-dare ludum-dare-46

Last synced: 10 Mar 2026

https://github.com/didinj/spring-boot-mongodb-angular5-java-crud

Spring Boot, MongoDB and Angular 5 CRUD Java Web Application Example

angular angular5 angularjs application boot crud example java mongo mongodb spring spring-boot tutorial web webapp

Last synced: 08 Jul 2025

https://github.com/ykayacan/hashing-utils

A basic Java implementation of Consistent Hashing, Rendezvous Hashing and Weighted Rendezvous Hashing.

consistent-hashing hashing java rendezvous

Last synced: 07 May 2025

https://github.com/dvoraka/av-service

Network file service with replication and anti-virus checking

amqp anti-virus database file-services java jms kafka replication rest solr spring spring-boot storage

Last synced: 16 Jan 2026

https://github.com/chestshop-authors/chestshopnotifier

Bukkit plugin that allows your players to see who bought or sold what while they were offline.

bukkit chestshop hacktoberfest java minecraft plugin spigot

Last synced: 16 Apr 2025

https://github.com/chaosdorf/meteroid

Meteroid is a small Android application to manage your account in https://github.com/chaosdorf/mete

android-application hacktoberfest java mete

Last synced: 07 Apr 2025

https://github.com/jcabi/jcabi-ssl-maven-plugin

SSL Plugin for Apache Maven: it generates fake SSL certificates for the testing purposes of your Java web app

java maven-plugin ssl ssl-plugin testing

Last synced: 29 Jun 2025

https://github.com/richard-austin/security-cam

CCTV Security cam NVR accessible via web directly or through Cloud. service. Run on Raspberry pi

angular cctv-monitoring dpkg dpkg-deb ffmpeg golang groovy java nvr onvif onvif-discovery ptz python raspberry-pi rtsp security-camera spring-boot spring-security ubuntu webapp

Last synced: 08 Jan 2026

https://github.com/jshiftio/kubernetes-maven-plugin

Maven plugin for getting your Java apps on to Kubernetes

java kubernetes maven-plugin

Last synced: 15 Apr 2025

https://github.com/ivanyu/java-agents-demo

An example of bytecode modifying Java agents done with Javassist and Byte Buddy

blog-post byte-buddy java java-agent javassist

Last synced: 15 Apr 2025

https://github.com/houarizegai/spocom

Sport Competition Desktop App

competition java javafx sport

Last synced: 27 Aug 2025

https://github.com/rjrudin/slush-marklogic-spring-boot

slush generator for an Angular/Spring Boot/MarkLogic application

angular gradle java java-middle-tier marklogic slush-generator spring-boot

Last synced: 05 Oct 2025

https://github.com/arakelian/json-filter

High speed filtering of arbitrarily large JSON documents

filter filtering high-performance java java-8 json json-filter json-stream streaming

Last synced: 01 Aug 2025

https://github.com/gouravkhunger/accolib

Amazing and easy to use Accordion Library for Android built with kotlin

android android-library android-ui hacktoberfest java kotlin

Last synced: 08 Mar 2026

https://github.com/chen0040/java-genetic-programming

Genetic-programming framework for various genetic programming paradigms such as linear genetic programming, tree genetic programming, gene expression programming, etc

classification-algorithm evolutionary-algorithms evolutionary-computation gene-expression genetic-programming java linear-genetic-programming machine-learning optimization optimization-algorithms symbolic-regression tree-gp

Last synced: 10 Sep 2025

https://github.com/coding-delight-01/dsa-in-java

A beginner friendly repository made specifically for open source beginners. Contribute on this repository with valid pull requests

algorithms-and-data-structures beginner-friendly hacktoberfest hacktoberfest-accepted java

Last synced: 22 Sep 2025

https://github.com/couchbase-examples/java-springboot-quickstart

Entry level Couchbase Java Spring Boot tutorial/demo. Steps to build a REST API to manage user profile CRUD operations..

couchbase java quickstart spring spring-boot springboot

Last synced: 20 Feb 2026

https://github.com/kakarottocui/android-exam

基于Java、SpringBoot和uniapp在线考试系统安卓APP微信小程序

android java maven mysql spring-boot uniapp vue

Last synced: 28 Jul 2025

https://github.com/szpak/spock-global-unroll

Spock extension automatically enabling parametrized tests unrolling in the whole project

groovy java parametrized-tests spock spock-extension spock-plugin

Last synced: 10 Apr 2025

https://github.com/abdelhak-zaaim/spring-boot-parcel-delivery-system

The DeliX project is a comprehensive system, designed to streamline the transport and delivery of parcels.

delivery delivery-service java jwt-authentication spring-boot spring-security thymeleaf-template-engine tracking-parcels

Last synced: 10 Apr 2025

https://github.com/objectionary/dejump

Replaces all GOTO objects in EO program with semantically equivalent ones but without GOTO

eolang java

Last synced: 01 May 2025

https://github.com/samouraidev/bech32

bech32 address format for Segwit

bech32 bip173 bitcoin java segwit

Last synced: 28 Oct 2025

https://github.com/ethanlin-twer/java-reflection-in-action

A Chinese translation of the book Java Reflection In Action editing with gitbook.

java jvm meta-object-protocol meta-programming reflection

Last synced: 28 Oct 2025

https://github.com/notiska/kirjava

A Java bytecode library for Python.

assembler bytecode disassembler java jvm

Last synced: 10 Apr 2025

https://github.com/kensa-dev/kensa

A BDD testing framework for Kotlin & Java

agile-methodologies bdd bdd-framework fluent java junit5 kotlin tdd testing

Last synced: 06 Apr 2026

https://github.com/fadouse/jvmbenchmark

JVMBenchmark evaluates the performance impact of code obfuscation on Java applications using JVM 17 and JDK 17. It helps developers balance security with potential performance trade-offs.

benchmark java jvm performace-testing

Last synced: 23 Apr 2025

https://github.com/saturnsvoid/java-http-botnet-frame

A HTTP bot in Java with basic commands and ability's

botnet cross-platform http http-bot java

Last synced: 13 Apr 2025

https://github.com/heruan/jaxrs-range-filter

HTTP Ranged Requests for JAX-RS.

java jax-rs serve-byte-ranges

Last synced: 15 Jun 2025