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/andreasabel/java-adt

A tool to create immutable algebraic data structures and visitors for Java (such as abstract syntax trees).

ast java

Last synced: 26 Oct 2025

https://github.com/goldmansachs/mrword2vec

A MapReduce / Hadoop implementation of Word2Vec

java mapreduce word2vec

Last synced: 11 Apr 2025

https://github.com/skyjay1/nomadic-tents

Add portable houses to Minecraft!

forge hacktoberfest java minecraft minecraft-mod

Last synced: 19 Mar 2025

https://github.com/euphoriadev/doggy

Scripts for VK

android java vk vk-api

Last synced: 23 Oct 2025

https://github.com/ivangfr/spring-boot-grpc-client-server

The goal of this project is to implement two Spring Boot applications using gRPC: the server, called movie-grpc-server, and the shell client, named movie-grpc-client. The library movie-grpc-lib defines the gRPC interface that both the server and client applications use.

client-server grpc java postgresql protocol-buffers sprind-data-jpa spring-boot spring-web-mvc

Last synced: 10 Apr 2025

https://github.com/melin/flink-jobserver

REST job server for Apache Flink

flink hadoop hive java kerberos kubernetes yarn

Last synced: 04 Apr 2025

https://github.com/samuelfaj/linkedin-bot

A LinkedIn Bot - Like/Accept/Invite Automation Script - Grow up your professional network!

autofollower autoliker automation bots java linkedin php selenium

Last synced: 07 May 2025

https://github.com/manoelcampos/sistema-bancario-java-junit

Backend em Java 11 de um Sistema Bancário de exemplo para prática de Testes com JUnit 5 🏦☕️🧪

backend ci continuous-integration example github-actions jacoco java junit junit-5 maven tdd test-coverage tests

Last synced: 04 Apr 2025

https://github.com/eschizoid/telescope

Optics-based DSL for Java records and POJOs. One type for deep navigation, immutable update, bidirectional mapping, and effects across records + plain POJOs + Lombok. Optional compile-time codegen.

annotation-processor codegen deep-copy dsl functional-programming immutable java lens lombok optics records

Last synced: 26 Jun 2026

https://github.com/digitalheir/java-xml-to-json

👾 convert XML to a structure-preserving JSON representation

converter java json xml

Last synced: 14 Apr 2025

https://github.com/gherynos/secrete

ECIES implementation with Curve25519.

curve25519 ecies java

Last synced: 14 Jan 2026

https://github.com/quantum4j/quantum4j

Quantum4J brings quantum programming to Java with a full Quantum Software Engineering stack — circuits, simulators, compiler passes, QASM support, and enterprise-grade extensibility.

java java-library jdk openqasm openqasm-lang qasm qiskit quantum quantum-algorithms quantum-computing quantum-microservice quantum-sdk quantum-simulator quantum4j qubits spin-qubits statevector transpiler

Last synced: 12 Jun 2026

https://github.com/apache/brooklyn-ui

Apache Brooklyn UI

brooklyn cloud java

Last synced: 09 Apr 2025

https://github.com/yegor256/together

Executes Java lambda in multiple threads and collects their results (useful for testing for thread-safety)

concurrency java java-8 java-li testing thread-safety threads

Last synced: 07 Jan 2026

https://github.com/codershiyar/java

Source code of the tutorial java in arabic which provided by engineer Shiyar Jamo on YouTube and Shiyar Academy

java java-android java-tutorials source-code

Last synced: 26 Apr 2025

https://github.com/luminati-io/java-web-scraping

Quick guide with code example how to use Java for web scraping

java maven scraping-websites web-data-extraction

Last synced: 22 Apr 2025

https://github.com/somefree/zoo-timer

分布式timer插件, 轻量, 易用, 去中心化, 均衡负载, 集群节点通过zookeeper同步作业, java编写

java timer zookeeper

Last synced: 14 Jan 2026

https://github.com/mightypirates/scannable

One scanner to find them, and with eye candy bind them.

forge java minecraft minecraft-forge mod

Last synced: 26 Apr 2025

https://github.com/Pradyuman7/Algorithmics

A Java library for people who want to implement some algorithms quickly.

algorithms competitive-programming hacktoberfest hacktoberfest2022 java java-library

Last synced: 12 Jun 2025

https://github.com/eclipse-archived/edje

Edje project (ARCHIVED)

eclipseiot embedded internet-of-things java

Last synced: 25 Apr 2025

https://github.com/sbgn/libsbgn

Libraries for the Systems Biology Graphical Notation (SBGN); Java and C++

ant java maven sbgn

Last synced: 14 Jan 2026

https://github.com/vangie/fc-db

函数计算访问数据库示例集(MySQL、SQLServer、MongoDB、Redis)

faas function-compute java mongodb mssql mysql netcore nodejs php python rds redis serverless sqlserver

Last synced: 23 Apr 2025

https://github.com/memoizr/retro-optional

A backport of Java8 optionals for Java7

backport java java8-optionals monadic-optionals

Last synced: 26 Jan 2026

https://github.com/bcgov/tno

Today's News Online (TNO) is a news aggregation system that takes in news sources of varying types and provides a single location for clients to access the data.

ctiz dotnet elasticsearch gcpe java kafka keycloak news nlp opennlp react tno

Last synced: 09 Apr 2025

https://github.com/nabihashujaat/wurst

Wurst features a wide range of fun and troll modules and has been available since 2014. It is open-source and supports versions 1.7.2 through 1.21+. wurst client 1.21

2b2t css curseforge deli dependency h3vr html java javascript minecraft minecraft-forge minecraft-mod mod modded-minecraft warcraft3 wurst wurst-client wurstlang wurstscript wurstscript-website

Last synced: 06 Mar 2026

https://github.com/jonenine/ferry

将内网服务开放(摆渡、代理)到公网

golang java proxy

Last synced: 15 Jan 2026

https://github.com/renatoathaydes/jgrab

Runs Java code without a build system, grabbing dependencies declared in the Java file itself.

java rust script-engine

Last synced: 26 Mar 2025

https://github.com/aldekotan/opensm3d

Деобфускация и рефактор Stalker Mobile 3D

homebrew j2me java reverse-engineering stalker

Last synced: 11 Apr 2025

https://github.com/mukeshmithrakumar/hackerranksolutions

My HackerRank Solutions for Python, Java, C, C++, Shell, SQL, JavaScript and Interview Preparation Kit

bash c cpp data-science hackerrank hackerrank-solutions interview-preparation interview-questions java javascript linux-shell machine-learning python python3 shell software sql

Last synced: 09 Jul 2025

https://github.com/davidmoten/kool

j.u.s.Stream alternative (synchronous only), reusable, faster, more operators, easier to use.

functional-programming java method-chaining stream synchronous

Last synced: 10 Apr 2025

https://github.com/sizzlecar/mundo

mundo是一个轻量级,灵活的,高性能的流程引擎

java processengine

Last synced: 02 May 2026

https://github.com/gbear605/scratchtojar

ScratchToJar is a program that turns Scratch 1.4 programs into Java files. This is likely broken and SHOULD NOT BE USED. It remains for historical reasons only.

java scratch

Last synced: 10 Oct 2025

https://github.com/apache/metamodel-membrane

Mirror of Apache MetaModel Membrane

big-data database java library metamodel

Last synced: 08 Oct 2025

https://github.com/techsenger/weaverbird

Techsenger Weaverbird – A framework for dynamically creating and deploying modular components using ModuleLayer.

java java-9-module java-9-modules java-framework java-lib java-library java-modularity java-module java-module-standalone java9 java9-jigsaw jigsaw jpms modularization modules

Last synced: 31 May 2026

https://github.com/arun-gupta/spring-boot-prometheus

Prometheus-style metrics for a Spring Boot application in Kubernetes

docker java kubernetes metrics prometheus spring-boot

Last synced: 29 Apr 2025

https://github.com/jjfumero/tornadovm-examples

Set of examples written for hardware acceleration via TornadoVM

fpga fpga-programming gpu gpuprogramming java jvm opencl parallel-computing ptx spirv tornadovm

Last synced: 07 Oct 2025

https://github.com/sjednac/coffea

Static dependency analyzer for Java bytecode.

code-analysis dependency-analysis java jvm python

Last synced: 12 Oct 2025

https://github.com/gradlex-org/java-module-packaging

A Gradle plugin to package stand-alone Java applications for multiple operating systems and architectures with 'jpackage'.

gradle-plugin java java-modules jpackage jpms

Last synced: 10 Oct 2025

https://github.com/apache/uima-uimacpp

C++ support for Apache UIMA

apache java text-analysis uima

Last synced: 10 Apr 2025

https://github.com/christarazi/random-restaurant-generator

An Android app that queries Yelp's API for a random restaurant near you

android fun java pick random restaurant yelp

Last synced: 17 Oct 2025

https://github.com/lzw2016/clever-graaljs

基于graaljs的js脚本引擎,api快速开发平台

fastapi graaljs graalvm java js

Last synced: 16 Oct 2025

https://github.com/point85/caliper

Caliper is a project for managing units of measure and the conversions between them.

java jsr-363 measure-conversion measurement-units unit-of-measure units units-of-measure units-of-measurement uom

Last synced: 23 Apr 2025

https://github.com/chanmeng666/douyin-mall-java-template

【Star us and watch this project grow! 🌱⭐️】A Spring Boot-based e-commerce microservices template with comprehensive setup guides. Ideal for learning microservices architecture and building scalable e-commerce applications. Features include user authentication, product management, order processing, and AI integration capabilities.

api-gateway docker e-commerce eureka java jwt maven microservices mybatis mysql oauth2 rabbitmq redis spring-boot spring-cloud spring-data-jpa spring-security starter-template template tutorial

Last synced: 10 Oct 2025

https://github.com/dwango/slack-webhook-appender

Logback appender which posts logs to slack via incoming webhook.

java logback logback-appender slack slf4j

Last synced: 05 Feb 2026

https://github.com/softleader/softleader-training-course

松凌科技教育訓練專區

course java training

Last synced: 08 Oct 2025

https://github.com/frachtwerk/essencium-backend

Essencium Backend is a software library built on top of Spring Boot that allows developers to quickly get started on new software projects. Essencium provides, for example, a fully implemented role-rights concept as well as various field-tested solutions for access management and authentication.

java spring spring-boot

Last synced: 29 Apr 2025

https://github.com/thelinuxuser-choice/tankigen

Python script that automate the process of generating various reverse shells.

all awk bash ctf ctf-tools golang java lua netcat perl powershell python reverse-shell reverse-shell-generator telnet

Last synced: 14 Apr 2026

https://github.com/stephengold/v-sport

A Vulkan-based 3-D graphics engine, written in Java (code has New BSD license)

3d-graphics assimp engine glfw graphics-engine java joml jvm-library library lwjgl3 open-source phong vulkan vulkan-engine

Last synced: 18 Jan 2026

https://github.com/janishar/graph-library

Data Structure and Algorithm for Graphs

algorithms data-structures graph graph-algorithms java library

Last synced: 06 May 2025

https://github.com/i-al-istannen/doctor

A Discord bot serving Javadoc. Uses https://github.com/I-Al-Istannen/JavadocIndexer.

discord discord-bot discord-jda java javadoc jda

Last synced: 08 Apr 2025

https://github.com/skjolber/aotc-gradle-plugin

Ahead-of-Time Compilation in Gradle projects.

aot-compilation gradle-plugin java

Last synced: 22 Apr 2025

https://github.com/gematik/ref-gemlibpki

Products specified by gematik which have to deal with PKI will have to handle certificates, ocsp requests/responses and TSLs (TrustedServiceProvider Status List). This library may help to understand the intention of gematik specification and could be useful for software implementations.

cryptography gematik gemspec idm java other pki pki-library reference-implementation

Last synced: 19 Apr 2025

https://github.com/allure-examples/cucumberjvm-junit4-maven

Example of Allure Report usage with Cucumber-JVM, JUnit 4 and Maven

allure allure-report cucumber example java junit4 maven

Last synced: 14 Apr 2025

https://github.com/duosecurity/duo_universal_java

Duo OIDC-based two-factor authentication for Java web applications

duo java mfa

Last synced: 06 Apr 2025

https://github.com/vssekorin/cactoos-math

Math extension of Cactoos library

java oop oop-library oop-principles

Last synced: 13 Apr 2025

https://github.com/openpatch/scratch-for-java

A library to ease the transition from Scratch to Java

bluej hacktoberfest java processing scratch

Last synced: 19 Apr 2025

https://github.com/jgaa/vikinggtd

Getting Things Done tasklist/activity manager

android android-app getting-things-done gtd gtd-applications java

Last synced: 04 Mar 2026

https://github.com/meistermeier/spring-graphql-neo4j

Example project using Spring Data Neo4j and Spring GraphQL

java spring-boot spring-graphql

Last synced: 07 May 2025

https://github.com/heathlogancampbell/retro-craft

🎮Retro Craft - a mini minecraft clone without libraries with an 80's theme

clone graphic-engine graphics graphics-3d java multiplayer netty photos raycasting voxel-terrain

Last synced: 12 Apr 2025

https://github.com/sencha/gxt-demo-explorer

GXT Examples Explorer

examples gwt gxt java sencha

Last synced: 07 May 2025

https://github.com/getyoti/yoti-java-sdk

The Java SDK for interacting with the Yoti Platform

2fa identity java login multifactor-authentication register sdk spring-boot verification yoti

Last synced: 19 Jun 2025

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

The official client libraries for accessing SmartyStreets APIs from Java (and JRE-based languages)

address-verification java jvm sdk smartystreets

Last synced: 07 Mar 2026

https://github.com/shubh2-0/workfolio

WorkFolio is a Spring Boot web app for efficient employee data management. It features login protection using Spring Security and a user-friendly interface with Bootstrap. Explore the code and JavaDocs for complete project insights. 🚀

bootstrap dao-design-pattern gihub html java java-8 javaclass lombok maven mysql spring-boot springbootsecurity thymeleaf

Last synced: 24 Oct 2025

https://github.com/ushelp/easymonitor

基于 Java 的免费开源跨平台系统运行监控服务应用及引擎框架。A free, open source, cross-platform system running monitoring service application and engine framework based on Java.

cross-platform easymonitor-application easymonitor-engine-framework easymonitor-java engine-framework java java-monitor monitor system-monitor system-monitoring

Last synced: 14 Jul 2025

https://github.com/stephengold/skycontrol

A sky simulation library for jMonkeyEngine (code has New BSD license)

clouds java jme3 jmonkeyengine jmonkeyengine3 jvm-library library moon open-source sky stars sun sunset

Last synced: 14 Jul 2025

https://github.com/oswaldobapvicjr/performetrics

A simple performance data generator for Java applications

benchmark counter cpu java metrics-gathering stopwatch

Last synced: 08 May 2025

https://github.com/lazaronixon/active-persistence

Active Persistence is a implementation of Active Record Query Interface for JPA that makes it easy and fun.

activerecord jakartaee java java-api java-orm jpa jpql orm orm-framework query query-builder sql

Last synced: 13 Apr 2025

https://github.com/yangboz/spring-boot-with-activiti-drools-example

Getting started with Activiti and Spring Boot and Drools

activiti-drools bpm-diagram drools java spring-boot

Last synced: 20 Mar 2025

https://github.com/goodforgod/java-logger-benchmark

🧪 Different Java Loggers Benchmarks.

benchmark java log4j logback logging slf4j system-logger

Last synced: 20 Mar 2025

https://github.com/microcks/microcks-quarkus

Quarkus extension that enables embedding Microcks as a DevService managing mocks for dependencies and contract-testing your API endpoints

api contract-testing devservices java microcks microservices mocking quarkus

Last synced: 13 May 2025

https://github.com/sureshg/kotlin-starter

🐠 A starter template for kotlin projects using Gradle Kotlin DSL!

build-automation build-tools dokka gradle gradle-kotlin-dsl gradle-script-kotlin java jvm kotlin starter-template

Last synced: 05 Apr 2025

https://github.com/selimhorri/api-mobile-client-consumer-android

Consume an api from project-tracking-system hosted in Cloud

android api-call java volley

Last synced: 12 Apr 2025

https://github.com/opensolon/solon-examples

Solon 项目,官网配套示例

demo examples java solon

Last synced: 12 May 2025

https://github.com/shpota/dto-generation-plugin

A show-case project demonstrating extension of IntelliJ IDEA's functionality

blog idea idea-plugin intellij intellij-plugin java plugin plugins

Last synced: 11 Sep 2025

https://github.com/terrestris/shogun-legacy

⛔️ DEPRECATED, please use https://github.com/terrestris/shogun-core

deprecated java shogun webgis-framework

Last synced: 13 Apr 2025

https://github.com/varunsalian/RealDebrid-Torrent-Stream

A simple command line tool to stream movies from torrents via Real-Debrid in VLC media player

java real-debrid stream torrent yify-torrents

Last synced: 27 Mar 2026

https://github.com/l-lin/dev-cheat-sheet

Some development reminders

cheatsheet golang java shell

Last synced: 29 Jan 2026

https://github.com/vincentkims49/mobile-nutrition-app

Mobile Nutrition is an applicatiion that aims at keeping track of nutrients that the user consumes. It does so by allowing the user to select meals for the day and then gives the amount of nutrients present in the selecte meals. It also provide recipes for the selecte meals to the user.

cpp dart flutter java objective-c

Last synced: 28 Feb 2026

https://github.com/andrewssobral/java_motion_detection

Motion Detection with Java + OpenCV + Webcam

java java-opencv-webcam motion-detection

Last synced: 07 Feb 2026

https://github.com/heutelbeck/sapl-demos

Demo, tutorial, and benchmarks for the SAPL policy engine

access-control authorization benchmark demo examples java policies sapl security spring spring-security tutorial

Last synced: 27 Feb 2026

https://github.com/cchabanois/mesfavoris

Bookmarks eclipse plugin

bookmark bookmarks eclipse eclipse-plugin java

Last synced: 01 Jun 2026

https://github.com/nicktindall/java-raft

A Java implementation of the Raft consensus algorithm

java mit-license raft-consensus-algorithm

Last synced: 28 Oct 2025

https://github.com/compdfkit/compdfkit-api-samples

ComPDFKit PDF API is organized around the REST standard and supports various programming languages with rich PDF features, including conversion, document editor, data extraction, and so forth.

api curl dotnet java javascript pdf-converter pdf-editor pdf-viewer php python rest-api swift

Last synced: 24 Oct 2025

https://github.com/pinussilvestrus/bncl

Natural like language for quickly modeling BPMN 2.0 models

bpmn bpmn-model java quickmodeler

Last synced: 30 Jun 2025