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/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/shaoxiongdu/lol

基于JavaWeb的英雄联盟管理系统,数据源自官网,内附有爬虫代码,可爬取最新数据。

c3p0 java javaweb mysql

Last synced: 11 Oct 2025

https://github.com/mbien/xpath-util

XPath utility plugin for NetBeans

java netbeans plugin xpath

Last synced: 08 Oct 2025

https://github.com/openmined/javadp

Differential privacy implementation in the Java family of languages (Java, Kotlin, Scala etc...)

differential-privacy java

Last synced: 14 Oct 2025

https://github.com/sondosaabed/stock-market

Stock Market application using queues, stacks as data Structure. Java | JavaFX

data-structures java javafx-application queue stack stock-market

Last synced: 26 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/pisces-hub/muchat-ui

一款基于Netty+MQ的高性能IM解决方案,天然的支持水平扩展,代码全部免费开源

chat im java netty vue

Last synced: 11 Oct 2025

https://github.com/apache/nifi-standard-libraries

A collection of standard implementations used across the Apache NiFi ecosystem.

hacktoberfest java nifi

Last synced: 10 Apr 2025

https://github.com/mishakorzik/easy-java

Easy install Oracle Java only for arm64. Tested on termux and raspberry pi.

bash bash-script easy java jdk linux oracle-java oracle-jdk raspberry-pi raspberrypi termux termux-hacking termux-tools

Last synced: 16 May 2025

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

Apache Sling XSS Protection

java sling

Last synced: 06 Apr 2025

https://github.com/rapter1990/carservice

Case Study - Car Service (Java 21, Spring Boot, Spring Security, JWT, MySql, JUnit, Jacoco, Prometheus,Grafana, AlertManager, Docker, Kubernetes, Github Action (CI/CD), Sonarqube)

alertmanager github-actions grafana integration-testing jacoco java java21 junit jwt kubernetes mysql prometheus sonarqube spring-boot spring-security swagger

Last synced: 05 Sep 2025

https://github.com/ullenius/spctag

:video_game: :notes: Read and parse ID666 tags from SNES SPC-700 files (Super Nintendo & Super Famicom Sound Files)

cli gpl3 java maven snes spc700 super-famicom tag terminal xid6

Last synced: 15 Apr 2025

https://github.com/bit-smart-io/smart-bdd

Create interactive html documentation / feature files from Java code. This can be considered as a productive replacement to existing frameworks where you write the features/scenarios/acceptance tests in plain text first.

automated-testing bdd java junit testing

Last synced: 27 Feb 2025

https://github.com/matteobaccan/html2pop3

HTML2POP3 is a virtual POP3, SMTP and NNTP server

hacktoberfest java nntp pop3 smtp tunneling

Last synced: 02 May 2025

https://github.com/robaho/lrmp

Go and Java implementations of LRMP - light weight reliable multicast protocol

golang java lrmp multicast protocol

Last synced: 29 Apr 2025

https://github.com/praj-foss/opengl-graal-examples

Simple OpenGL demo using GraalVM

graalvm java opengl

Last synced: 15 Apr 2025

https://github.com/siemens/lightweightcmpra

CLI-based Registration Authority application PoC

appilcation certificates cli cmp java lcmpp rfc4210 rfc9840 x509

Last synced: 18 Jun 2025

https://github.com/saynotobugsorg/confidence

A declarative Java Assertion Framework

declarative hacktoberfest java testing

Last synced: 27 Feb 2025

https://github.com/mrxian763/friends-matching-backend

移动端 H5 网页好友匹配系统后端,能够根据标签搜索匹配用户、好友组队、私聊、能够根据自身标签匹配与自己相似度最高的用户。帮助你更快速地找到与自己情投意合的伙伴、学习搭子。前端仓库:https://github.com/MrXian763/friends-matching-fronted

java mysql redis spring spring-boot spring-mvc websocket

Last synced: 29 Oct 2025

https://github.com/master4novice/hms

Hospital Management System - React + Redux +Thunk

css html5 java material-ui maven react react-redux redux spring-boot

Last synced: 08 Oct 2025

https://github.com/xxdark/jpreprocessor

Java C-like preprocessor.

java preprocessor

Last synced: 19 Apr 2025

https://github.com/kaktushose/nplay-bot

discord bot with leveling system, items and events

bot discord discord-bot java jda

Last synced: 19 Apr 2025

https://github.com/renuka-fernando/hackgen

Generate Test cases for HackerRank Problems

c cpp hackerrank java python3 testcase-generator

Last synced: 01 May 2025

https://github.com/selimhorri/quarkus-plays-with-spring-h2-panache

Quarkus application playing with Spring Web, H2 InMemory Database and Panache ORM

flyway h2 java native orm panache quarkus spring

Last synced: 15 Jul 2025

https://github.com/matteobaccan/sockredirector

Redirects TCP connections from one IP address and port to another

hacktoberfest java logger multithreading portforward

Last synced: 02 May 2025

https://github.com/ogrodnek/java_fathom

java library to measure the readability of english text

java readability

Last synced: 02 May 2025

https://github.com/zjhch123/Tears

Static Resource Server, Based on Java, Simple, JSON Config. 一个基于Java语言编写的静态资源服务器。

java tears webserver

Last synced: 04 May 2025

https://github.com/cyclopsmc/commoncapabilities

Forge Capabilities that can be shared by multiple mods.

forge hacktoberfest java minecraft

Last synced: 01 May 2025

https://github.com/vpetrigo/courses

Solutions for different courses

algorithm cpp graph java mooc python stepik

Last synced: 14 Feb 2026

https://github.com/lcz1219/freemix

Freemix 是一个功能强大、设计优雅的全栈目标管理系统(Goal Management System)。它采用跨平台架构,既提供现代化的 Web 应用,又通过 Electron 框架打包成原生桌面应用,让用户在任何环境下都能享受流畅的目标管理体验

ai electron goalsystem iflow java mac mongodb pc redis springboot vue web

Last synced: 01 Apr 2026

https://github.com/pzalutski-pixel/javalens-mcp

MCP server providing semantic Java code analysis for AI agents. Built on Eclipse JDT with tools for navigation, refactoring, search, and metrics.

ai-agents claude code-analysis code-intelligence developer-tools eclipse-jdt ide-tools java lsp mcp mcp-server refactoring static-analysis

Last synced: 27 May 2026

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: 19 Mar 2026

https://github.com/Abdulrhman-Khaled/Islamyat-App

It is an Islamic Android application that includes many sections that are important for every Muslim in his daily life.

android android-application android-studio androidx api islam islamic islamic-app islamic-calendar islamic-prayer-times java oop sqlite ux-ui volley-library

Last synced: 12 Feb 2026

https://github.com/bigboxer23/meural-control

Push content to a Meural display from sources not supported by the official software. Supported sources include OpenAI TextCompletion, OpenAI ChatGPT (gpt-image-1.5), James Webb Space Telescope, or an external URL.

chat-gpt chatgpt google-calendar google-calendar-api google-calendar-integration google-photos google-photos-api gpt-4 gpt-image-1-5 java jwst meural openai openai-api

Last synced: 28 Feb 2026

https://github.com/gibbed/xex2kit

XEX2 tooling for Ghidra.

ghidra java ppc xbox360 xenon

Last synced: 18 Aug 2025

https://github.com/uppnrise/distributed-rate-limiter

High-performance distributed rate limiter service with Redis backend. Supports token bucket and sliding window algorithms, dynamic configuration, and real-time metrics. Built for microservices architectures.

api-gateway api-protection concurrency distributed-systems docker high-performance java kubernetes microservices monitoring observability production-ready prometheus rate-limiter rate-limiting redis scalability spring-boot throttling token-bucket

Last synced: 28 Sep 2025

https://github.com/piomin/sample-java-sonar

sample application used as a source for scanning code quality with sonarqube also containing sovarqube plugin with rules definitions

java qa sonar-plugin sonarqube sonarqube-analysis

Last synced: 09 Aug 2025

https://github.com/alewin/moneytracking

Money tracking - Android App for planning, tracking your spending, monitoring your credit and budget - UNIBO 2016/2017 - Alessio Koci

android budget budget-manager chart credit java lam money money-tracking monitoring pdf planning reports tracking unibo

Last synced: 14 Apr 2025

https://github.com/chris2018998/poolperformance

JDBC Connection Pool Performance Test source

connection-pool java jdbc

Last synced: 01 Aug 2025

https://github.com/rfresh2/jmwaypointstoxaero

Convert JourneyMap Waypoints to Xaero Waypoints

java journeymap minecraft mod xaero xaeros-minimap

Last synced: 29 Jun 2025

https://github.com/oiue/oiue

如果你同我一样对耦合深恶痛绝 Open Intelligent Unitive Efficient [开放 智能 统一 高效] 用积木思想编程,低门槛、轻量化、标准化、架构解耦、模块化以及去框架

framework ios java jwt microservices nospring nospringcloud quartz redis saas service-graph service-mesh shop tcp zookeeper

Last synced: 14 Apr 2025

https://github.com/shenggan/car-server

小车端app,主要负责视频录制和传输。

android java socket

Last synced: 19 Aug 2025

https://github.com/hms-core/hms-identity-demo

Identity demo code encapsulates APIs of the HUAWEI Identity Kit. It provides demo programsfor your reference or usage.

address hms hms-identity identity java

Last synced: 01 Aug 2025

https://github.com/eurus-holmes/lced

Recode my Leetcode Solutions and Notes.

2018-08-11 algorithm c-plus-plus java leetcode python

Last synced: 23 Aug 2025

https://github.com/akvo/akvo-caddisfly

Android app integrated with Akvo Flow

akvo akvo-caddisfly android java water-quality

Last synced: 29 Aug 2025

https://github.com/jossarchived/jbridge

JBridge facilitates communication in minecraft bedrock networks, between Nukkit servers and WaterdogPE proxies using Redis

cache group-system java jbridge message-broker minecraft nukkit player-cache redis waterdog

Last synced: 04 Aug 2025

https://github.com/minio/spark-streaming-checkpoint

Spark Streaming Checkpoint File Manager for MinIO

checkpoints java scala spark

Last synced: 25 Aug 2025

https://github.com/trustyai-explainability/trustyai-explainability-python-examples

Examples for the Python bindings for TrustyAI's explainability library

explainable-ai java jupyter machine-learning python trustyai

Last synced: 30 Aug 2025

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/jfree/graphics2d-tester

A visual tester for Graphics2D implementations

graphics2d java

Last synced: 13 Oct 2025

https://github.com/mobaijun/kjs-common

Java 工具类库

java java-8 lombok mapstruct sl4j

Last synced: 07 Oct 2025

https://github.com/hpgrahsl/wearedevs-2018

Code for my talk "Stateful & Reactive Streaming Applications Without a Database" at WeAreDevelopers 2018

emojis java kafka kafka-connect kafka-streams reactive reactive-programming spring-boot-2 stream-processing tweets

Last synced: 20 Oct 2025

https://github.com/kakarottocui/springbootvuetravel

基于SpringBoot和Vue的旅游网站订票系统设计

java mysql springboot vuejs

Last synced: 06 Jul 2025

https://github.com/clubedojava/calculoparadevs

Curso de calculo para aperfeiçoar os fundamentos

derivadas integral java vetores

Last synced: 13 Jul 2025

https://github.com/raydac/java-prolog-parser

Java based Edinburgh Prolog parser

java parser prolog-programming-language

Last synced: 06 Oct 2025

https://github.com/krishgaur1354/java-projects-for-beginners

Here, I will upload my Java Projects which are Useful especially if you're a Beginner or want code just to Practice.

array arraylist fibonacci fibonacci-sequence fizzbuzz hackathon hacktoberfest hacktoberfest2022 java leetcode leetcode-java

Last synced: 25 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/transloadit/java-sdk

Java client for Transloadit upload service

encoding java sdk transloadit uploading

Last synced: 09 Apr 2025

https://github.com/theanasuddin/grokking-algorithms-1st-edition-by-aditya-y.-bhargava

Grokking Algorithms: An Illustrated Guide for Programmers and Other Curious People 1st Edition by Aditya Y. Bhargava. All Data Structures and Algorithms Implemented In Java.

aditya-bhargava algorithms algorithms-and-data-structures algorithms-java data-structures data-structures-implementations data-structures-java grokking-algorithms grokking-algorithms-in-java illustrated-book java visual-learning

Last synced: 16 Aug 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/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/mmahmoodictbd/open-blog

Build your blog site on top of OpenBlog APIs, yet another Blogging Engine.

blog-engine java microservices-architecture spring-boot

Last synced: 07 Oct 2025

https://github.com/ahmetkasif/kmaxit

Remake of Maxit Game using LibGDX (Outdated, will rebuild when i get some free-time)

artificial-intelligence game greedy-algorithms java libgdx

Last synced: 18 Jan 2026

https://github.com/urosengineer/saas-backend-starter

Java/Spring Boot SaaS backend starter with multi-tenancy, auth, access control, audit logging and file management.

backend ddd docker enterprise file-upload i18n java jwt pbac portfolio rbac rest-api saas security spring-boot swagger websocket

Last synced: 18 Jul 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/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/knime/knime-excel

KNIME Excel Support Extension

excel java knime poi workflow

Last synced: 21 Jan 2026

https://github.com/konachan700/jnekoimagedb

Tool for tagging and storage images, with save images in the AES256-encryped files.

image image-manipulation image-viewer images java javafx javafx-8 javafx-application javafx-desktop-apps

Last synced: 10 Apr 2025

https://github.com/selimhorri/spark-application

Java Application, uses Apache Spark, handles batch as well as streaming processing

dataframes-api java mysql spark spark-batch spark-sql spark-streaming

Last synced: 12 Apr 2025

https://github.com/flipkart-incubator/pulsar-weighted-consumer

Pulsar consumer clients offering priority consumption

apache-pulsar java messaging messaging-system priority-message pulsar

Last synced: 15 Jun 2025

https://github.com/madhavjivrajani/simdfa

Simulations of deterministic finite automata in different languages!

cpp dfa go golang hacktoberfest haskell java javascript julia nfa nim oops oops-in-cpp oops-in-python python racket rust simulation

Last synced: 17 Mar 2025

https://github.com/jacibrunning/embeddedtools

Additions to the model-based DSL for deploying Java and Native projects to remote targets

deploy embedded gradle java native remote target tools

Last synced: 18 Mar 2025

https://github.com/gamemann/simple-discord-bot

A simple Discord bot imported from GFL's Gitlab. This was made using Java.

bot discord jar java simple

Last synced: 18 Mar 2025

https://github.com/aws-samples/amazon-elasticache-redis-and-memcached-java-client-examples

Examples for using Java clients to interact with Amazon ElastiCache for Redis using the open-source Redis client Jedis and Amazon ElastiCache for Memcached using the ElastiCache Cluster Client.

amazon-elasticache java java11 jedis redis-client

Last synced: 10 Apr 2025

https://github.com/danijelaskov/towers-of-hanoi

An interactive 3D JavaFX application visualizing the process of solving the Towers of Hanoi puzzle.

3d-game animation computer-graphics gradle hanojske hanojske-kule interactive java java-11 java-fx kule projekat racunarska-grafika rg1 towers-of-hanoi vizualisation

Last synced: 10 Apr 2025

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

JEE Servlet & Jsp, End studies' project

java jdbc jsp mysql servlet

Last synced: 12 Apr 2025

https://github.com/sammwyy/milkshake

MongoDB ORM/ODM for Java.

database java java-orm mongodb no-sql nosql odm orm

Last synced: 28 Oct 2025

https://github.com/houarizegai/hackerrank-solutions

Solution of HackerRank problems.

cpp hackerrank java problems python solutions sql

Last synced: 10 Apr 2025

https://github.com/hexaredecimal/ml

A small general purpose programming language for programming on the JVM. Package manager: https://smllregistry.github.io/

java jvm ml sml

Last synced: 10 Apr 2025

https://github.com/vimaltiwari2612/android-assistant-chatbot

Its a basic level bot cum android assistant that uses the Liechtenstein distance algorithm to perform better. Interact with it and make it learn new things.

android-app android-application android-chat android-chat-application artificial-intelligence bot chat-bot java java-8 levenshtein-distance-algorithm machine-learning self-learning voice-assistant voice-recognition

Last synced: 29 Apr 2025

https://github.com/eth0rium/mirage

Modern, half-finished, bytecode manipulation library aimed at the JVM

bytecode bytecode-manipulation java jvm reverse-engineering

Last synced: 10 Apr 2025

https://github.com/manoelcampos/java-postgres-playground

Java / PostgreSQL Playground: servidor Postgres e JDK 17 para construção de aplicações em um container com VSCode no gitpod.io

database-admin database-client gitpod java jdk jdk-17 postgres postgresql vscode

Last synced: 28 Oct 2025