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/Perry961002/Algorithms-LeetCode

:art:I practiced some LeetCode's algorithm problems with C++, Java, Python and Go, and also implemented some classical algorithms.

algorithmic-trading c-plus-plus go java python3

Last synced: 07 May 2025

https://github.com/appwrite/playground-for-kotlin

Simple examples that help you get started with Appwrite + Kotlin (=❤️)

android appwrite hacktoberfest java kotlin

Last synced: 02 Mar 2026

https://github.com/netease/mebius

精准测试sdk

java

Last synced: 14 Apr 2025

https://github.com/imagej/napari-imagej

Use ImageJ functionality from napari

fiji imagej java napari python

Last synced: 01 Aug 2025

https://github.com/codelibs/fess-crawler

Web/FileSystem Crawler Library

crawler java

Last synced: 07 Apr 2025

https://github.com/twin/spring-security-oauth2-client-example

Minimal configuration required for a Spring Boot project using Spring Security with OAuth2 client

java oauth2-client spring spring-boot spring-framework spring-security spring-security-oauth2

Last synced: 04 Oct 2025

https://github.com/vanniktech/espresso-utils

Provides helper methods for asserting a few things that Espresso does not support out of the box.

android espresso java kotlin testing

Last synced: 15 Apr 2025

https://github.com/EvelynSubarrow/Stormrunner

A set of modifications to run Lego Mindstorms' Stormrunner as a standalone application

game java lego-mindstorms stormrunner templar

Last synced: 02 Sep 2025

https://github.com/botbahlul/vosk-powered-live-subtitle-v3

ANDROID APP that can RECOGNIZE ANY LIVE AUDIO/VIDEO STREAMING (using free VOSK Speech Recognition API) then TRANSLATE (using unofficial online Google Translate API) and display it as LIVE CAPTION / LIVE SUBTITLE

android auto-caption auto-subtitle google-translate-api java live-subtitle speech-recognition voice-recognition vosk

Last synced: 11 Apr 2025

https://github.com/e-candeloro/SAURUSS-Autonomous-Drone-Surveillance

An autonomous drone and sensor based surveillance system that use a Tello Drone, an Arduino, a Raspberry Pi and an Android smartphone.

3d android-app arduino aruco-markers autonomous-drone autonomous-vehicles c-language computer-vision drone finite-state-machine intrusion-detection iot java opencv python surveillance telegram tellodrone yolo

Last synced: 21 Apr 2025

https://github.com/sbt/sbt-java-formatter

An sbt plugin for formating Java code

code-formatter java sbt

Last synced: 21 Apr 2025

https://github.com/graphaware/neo4j-expire

GraphAware Module for Expiring (Deleting) Nodes and Relationships

java neo4j neo4j-graphaware-framework

Last synced: 06 Oct 2025

https://github.com/davidgutierrezrubio/jmathanim

A Java library to make mathematical animations

animation java mathematics

Last synced: 11 Jan 2026

https://github.com/pawandubey/griffin

speedy and simplistic static site generator.

griffin java static-site-generator

Last synced: 07 Mar 2026

https://github.com/mondain/jets3t

JetS3t (pronounced "jet-set") is a free, open-source Java toolkit and application suite for Amazon Simple Storage Service (Amazon S3), Amazon CloudFront content delivery network, and Google Storage for Developers.

aws cloud cloudfront google-storage java s3

Last synced: 12 May 2025

https://github.com/cl7/battlecity

Java Swing project to simulate classic 2D tank game. Supports Two player local game server. A* algorithm for AI.

battle-city java java-swing multiplayer player tank-game

Last synced: 21 Mar 2025

https://github.com/mvp4g/mvp4g

A framework to build a gwt application the right way

clientside eventbus gwt java mvp mvp4g

Last synced: 13 Apr 2025

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

Apache Maven Project Parent POMs

build-management java maven

Last synced: 05 Apr 2025

https://github.com/ibmstreams/streamsx.topology

Develop streaming applications for IBM Streams in Python, Java & Scala.

ibm-streams java python python-3 scala stream-processing streaming-topologies toolkit

Last synced: 01 Jul 2025

https://github.com/m1rza-s/Cellsim-2

Simulating complete lives of different cellular animals and plants. Evolution, inheritance, predation and more.

2d-graphics animal-behavior breeds cellsim cellular-automata cellular-automatons cellularautomata emergent-behavior evolution java javafx mutations simulation zero-player-game

Last synced: 16 May 2025

https://github.com/notakamihe/ecommerce-angular-spring

Built with the Spring Boot backend and the Angular frontend, this project is an e-commerce app where users can register, login, change profile, view products, view a product in detail, and add products to the cart.

angular full-stack java spring-boot typescript

Last synced: 28 Jun 2025

https://github.com/hms-core/hms-audio-editor-demo

HUAWEI Audio Kit provides a wide range of audio editing capabilities, including auido import/export/editing/extracting and format conversion. This sample code describes how to integrate the Audio Editor Kit SDK.

audio audio-editor hms huawei java

Last synced: 01 Aug 2025

https://github.com/kevin-lee/j8plus

Library containing useful tools for Java 8

functional-programming java java8 lambda-expressions recursion stream

Last synced: 22 Mar 2025

https://github.com/horaciomuller/event-api

Developed with Java 17, Spring, Docker, Flyway, JUnit, Mockito, and deployed on AWS EC2 with GitHub Actions automation.

aws docker githubactions java postgres spring

Last synced: 14 Apr 2025

https://github.com/signum-network/signumj

SignumJ - Java Development Framework

bitcoin blockchain burstcoin ethereum java jdk signum transaction

Last synced: 08 Aug 2025

https://github.com/rocketchat/rocket.chat.java.sdk

[DEPRECATED, NOT MAINTAINED] Java/Android SDK for Rocket.Chat

android chat-support hacktoberfest java livechat rocketchat rocketchat-sdk sdk

Last synced: 13 Oct 2025

https://github.com/kotools/samples

Gradle plugin that inlines read-only Kotlin and Java code samples into Dokka documentation, ensuring they are always correct and visible not only online but also in IDEs.

dokka gradle java kotlin

Last synced: 02 Apr 2026

https://github.com/jayboxyz/algorithm-notes

:memo: 数据结构与算法学习、LeetCode 刷题...

algorithm datastructure java leecode

Last synced: 13 Jul 2025

https://github.com/jgperrin/net.jgp.books.spark.ch02

Spark in Action, 2nd edition - chapter 2

apache-spark java java8 manning spark sparkwithjava

Last synced: 06 May 2025

https://github.com/meysamhadeli/booking-microservices-java-spring-boot

A practical distributed system, built with Java Spring Boot, Vertical Slice Architecture, Event Driven Architecture, CQRS, DDD, gRpc, MongoDB and RabbitMq.

clean-architecture cqrs ddd event-driven-architecture grpc java keycloak messaging microservice microservices mongodb oauth2 opentelemetry rabbitmq spring-boot spring-cloud-gateway spring-data-jpa spring-mvc spring-security vertical-slice-architecture

Last synced: 22 Apr 2025

https://github.com/beehive-lab/docker-tornadovm

Docker build scripts for TornadoVM on GPUs: https://github.com/beehive-lab/TornadoVM

docker gpu gpu-computing graalvm hardware-acceleration intel-gpu java nvidia opencl tornado-gpu tornadovm

Last synced: 27 Mar 2026

https://github.com/rameshmf/java-collections-framework-course

Java Collections Framework course at https://youtu.be/GdAon80-0KA

collections java java8

Last synced: 03 May 2025

https://github.com/nasageek/utexas-utilities

Android app to interact with various UT Austin web services

android java university-of-texas

Last synced: 06 Mar 2026

https://github.com/mastercloudapps-projects/asyncreactiveprogramming

This repository is intended to be a compilation of presentations, examples, links, and other resources on asynchronous and reactive programming in Java

asynchronous-programming java project-reactor r2dbc reactive-programming reactive-streams rsocket webflux

Last synced: 19 Jun 2025

https://github.com/xushiyan/kafka-connect-datagen

A Kafka Connect source connector that generates data for tests

data-generator etl etl-pipeline integration-test java kafka kafka-connect performance-test

Last synced: 22 Mar 2025

https://github.com/d-coder111/dsamplify

Hacktoberfest2024 accepted-Our aim is to build a website that comprehensively covers algorithms in C++, Java, Python, and other programming languages, along with acknowledging the contributors to this repository.

algorithms beginner-friendly cpp css data-structures first-timers hacktoberfest hacktoberfest-accepted hacktoberfest2024 hacktoberfest2024-accepted html java javascript python web-development website website-design

Last synced: 06 Apr 2025

https://github.com/zhenfeng13/ssm-dubbo

:corn:Spring+SpringMVC+Mybatis+Dubbo2.6服务化改造(dubbo 2.6.5+zookeeper)

13 dubbo dubbo-2-6-1 dubbo-demo dubbo-rpc-zookeeper dubbox java mybatis services spring springmvc ssm-dubbo zookeeper

Last synced: 29 Oct 2025

https://github.com/prestongarno/kotlinq

Kotlin DSL for GraphQL

graphql graphql-schema java kotlin

Last synced: 11 Jul 2025

https://github.com/mariazevedo88/travels-api

API for Travels Management - UFLA Comp Jr/20 anniversary event

api api-restful api-service http http-rest-api java java-11 java11 medium-article rest rest-api restful-api

Last synced: 10 Apr 2025

https://github.com/zxcvbnmzsedr/apidoc

通过JavaDoc生成OpenAPI文档

doc java javadoc swagger

Last synced: 11 Jan 2026

https://github.com/nairuzabulhul/100-projects-challenge

:100: Projects from Sophomore to Senior year at AU | Resume: http://resume.github.io/?nairuzabulhul

algorithms android automation challenges css fullstack html ideas java javascript new programming python

Last synced: 30 Aug 2025

https://github.com/apache/maven-shared-utils

Apache Maven Shared Utils

build-management java maven maven-shared

Last synced: 15 May 2025

https://github.com/ucloud/ufile-sdk-java

UCloud 对象存储官方 SDK

java library object-storage ucloud-sdk

Last synced: 06 Apr 2025

https://github.com/genexuslabs/javaclasses

GeneXus Standard Classes for Java and Android generators.

for-genexus-web-app generator genexus java maven standard-library

Last synced: 29 Aug 2025

https://github.com/windup/windup-rulesets

Windup rules and rulesets contributed by community.

java migrations rules ruleset xml

Last synced: 11 Apr 2025

https://github.com/opensearch-project/asynchronous-search

:arrow_forward: Run queries in the background and retrieve partial results along the way

async asynchronous java long longrunning partial poll search timeouts

Last synced: 09 Apr 2025

https://github.com/troyzhxu/xjsonkit

超轻量级 JSON / JSONB / XML / YAML 解析门面 API,用法简单,使业务代码不依赖具体实现,解耦神器!

java json jsonb xml yaml

Last synced: 12 Apr 2025

https://github.com/extrawest/Charge-Point-Simulator-via-OCPP-2.0.1

This is a emulator for huge numbers of charge points, that connect to central system through web socket and implement OCPP 2.0.1

charger docker dockerfile java jetty maven ocpp ocpp201 simulator spring spring-boot websocket

Last synced: 04 Sep 2025

https://github.com/binhex/arch-minecraftserver

Docker build script for Arch Linux base with Minecraft Java server

arch-linux docker java minecraft minecraft-server

Last synced: 11 Mar 2026

https://github.com/rajatt95/documents

Apache POI | Log4J | OOPS | Selenium GRID | XPath | Java | Javascript | Python | PyTest | Selenium WebDriver | Cypress| Playwright | Github Actions | Chrome_DevTools | Manual Testing

apache-poi chrome-devtools github-actions java javascript log4j manual-testing oops programming-languages pytest selenium selenium-grid selenium-webdriver test-automation testing xpath

Last synced: 10 Apr 2025

https://github.com/aquelemesmo/scriptsbotdiscord

⭕ Todos os scripts para o seu bot do Discord com qualquer linguagem

bot bot-discord java javascript js jvm kotlin py python scripts scripts-collection ts typescript

Last synced: 09 Apr 2025

https://github.com/wille/oslib

Java library to easily detect running Operating System, BSD Flavor, Linux Distribution, Desktop Environment and Architecture

architecture bsd bsd-flavor desktop-environment java java-library library linux linux-distribution operating-system os windows

Last synced: 30 Oct 2025

https://github.com/njnareshjoshi/exercises

This repository along with the articles repository (https://github.com/njnareshjoshi/articles) contains coding examples for my blog ProgrammingMitra

classnotfoundexception immutability inheritance integer-cache java java-8 java-cloning java-serialization noclassdeffounderror polymorphism

Last synced: 03 Sep 2025

https://github.com/diennea/majordodo

Distributed Operations and Data Organizer built on Apache BookKeeper

bookkeeper coordinator distributed java resource-manager task-manager

Last synced: 05 May 2025

https://github.com/tigersoldier/javacomp

A Java completion server

java language-server-protocol

Last synced: 24 Apr 2025

https://github.com/parasgarg/stevens-computer-science-courses-materials

This repository consists of assignments, lab works, quizzes and more. These assessments belong to the Computer Science major at Stevens Institute of Technology. The materials available in this repository are the among the popular courses offered in Computer Science major in Master of Science. This repository also consists, the solutions of all course works and projects those I solved and submitted during my graduation from Fall 2016 through Spring 2018. Note: All these exercises and assessments (given by university professors) and solutions are for references only.

algorithms-datastructures amazon-web-services aws aws-ec2 cloud computer-science cyber-security data-mining database-management html-css java javascript knowledge-discovery mongodb python-3 r ruby sas sql web-programming

Last synced: 12 Apr 2025

https://github.com/hellokoding/dockercompose-springboot-mongodb-nginx

Docker Compose with Spring Boot, MongoDB and NGINX

docker-compose java maven mongodb nginx spring-boot

Last synced: 13 May 2025

https://github.com/fabiosilva11/sketchware-ia

Community-maintained continuation of Sketchware for Android, with active development, editor improvements, and downloadable APK releases.

android android-ide app-builder java kotlin low-code mobile-development sketchware source-available visual-programming

Last synced: 04 Jul 2026

https://github.com/ynsn/nashorn

A fork of Oracle's EcmaScript 5.1 engine Nashorn, compatible with Java 7

java javascript-engine jdk jre

Last synced: 10 Apr 2025

https://github.com/jonatino/jogl2d

Zero-overhead 2D rendering library for JOGL using Kotlin

2d 3d development game gradle graphics java javafx jogl kotlin maven opengl swing zero-overhead

Last synced: 26 Oct 2025

https://github.com/vbauer/avconv4java

Java interface to avconv tool

avconv ffmpeg java libav video video-processing

Last synced: 13 Oct 2025

https://github.com/neuw84/rake-java

A Java implementation of the Rapid Automatic Keyword Extraction Framework ( RAKE )

freeling illinois-pos-tagger java keyword-extraction nlp pos-tagger

Last synced: 02 Apr 2025

https://github.com/taymindis/atomic_threadpool

it's a smallest library that provides a lock-free thread pool sharing on multithreading, it design for scalability

asynchronous atomic-design c cross-platform java jni lockfree multithreading threadpool

Last synced: 10 Apr 2025

https://github.com/apiaddicts/apigen.springboot

Apigen allow generate springboot archetipe using openapi file as mapping tool between the openapi definition and the database.

java microservices openapi3 openapi31 springboot

Last synced: 04 Feb 2026

https://github.com/archimedes-projects/archimedes-jvm

Archimedes's implementation for the Java Virtual Machine (JVM)

architecture ddd java jvm kotlin solid

Last synced: 04 Oct 2025

https://github.com/micrusa/amaztimer

Interval/Workout timer app with heart rate, kcal monitoring, tcx exports, reps detection and previous workouts viewer for Amazfit devices running android [Discontinued]

amazfit amazfit-devices android huami interval-timer java reps-detection tcx-exports widget workout-tracking

Last synced: 28 Mar 2025

https://github.com/kamax-matrix/mxhsd

Corporate Matrix Homeserver

homeserver java matrix matrix-homeserver spring-boot

Last synced: 03 Apr 2025

https://github.com/ivansaul/cheat-sheets

Cheat-Sheets: Your go-to quick reference developer guide for learning Python, Rust, Swift, JavaScript, Kotlin, Go, Git, and more!

cheatsheet cheatsheets dart flutter golang java javascript kotlin python rust swift

Last synced: 02 Feb 2026

https://github.com/rladstaetter/javacv-webcam

Display a videostream from your webcam with JavaFX and JavaCV

java java11 javacv javafx maven opencv webcam webcamera

Last synced: 10 Apr 2025

https://github.com/dadrus/jpa-unit

JUnit extension to test javax.persistence entities

cdi concordion cucumber database java jpa jpa-test jpa-unit junit junit5 mongodb neo4j persistence test testing

Last synced: 12 Feb 2026

https://github.com/excalibase/excalibase-graphql

Excalibase GraphQL instantly turns your database into a GraphQL API. Built with Spring Boot, it supports schema discovery, subscriptions, and type handling — no manual resolvers needed.

api api-automation api-generator code-generation database-to-graphql developer-tools graphql graphql-server java postgres postgresql postgresql-database spring spring-boot springboot sql

Last synced: 27 Feb 2026

https://github.com/uhafner/codingstyle

Java coding style and template project used at Munich university of applied sciences

coding-standards coding-style java java-style

Last synced: 07 Feb 2026

https://github.com/rohankanojia/kubernetes-client-demo

A Simple Java project demostrating usage of fabric8 kubernetes Java client

fabric8 fabric8-kubernetes-client java kubernetes

Last synced: 15 Apr 2025

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

Apache Maven Doxia base

apache-maven build-management doxia java maven

Last synced: 15 May 2025

https://github.com/aboullaite/springbot

Messenger Bot that, based on typed text, query spring documentation and return 3 first results

bot java jsoup messenger spring spring-boot

Last synced: 04 Apr 2025

https://github.com/ozlerhakan/java9-module-examples

a list of Java 9 module samples to dive into the modular world

java java9 java9-jigsaw jigsaw modularity module serviceloader

Last synced: 04 Jan 2026

https://github.com/ntnewhorizons/ntnh

Hi-tech Minecraft modpack

java java-8 minecraft modpack

Last synced: 15 Jun 2026

https://github.com/songwo-153/collaborativefilteringnewsrecommendsystem

基于协同过滤算法的个性化新闻推荐系统的设计与实现(采用Java语言的SpringBoot和SSM两种框架分别实现基于用户、物品的协同过滤推荐算法)

collaborative-filtering java javascript mybatis mysql recommendation-algorithm spring springboot springmvc ssm

Last synced: 19 Jun 2025

https://github.com/m310851010/xice7-imagekit

基于java语言实现的简单的图片处理

image-compression image-processing java xice7-imagekit

Last synced: 15 Jul 2025

https://github.com/mrsarm/jshell-plugin

Gradle plugin to explore your code and dependencies with in jshell

gradle gradle-plugin java java9 jshell

Last synced: 11 Sep 2025

https://github.com/BitTheByte/BitTraversal

Burpsuite Plugin to detect Directory Traversal vulnerabilities

bugbounty burp-extensions burp-plugin burpsuite burpsuite-extender java path-traversal traversal web

Last synced: 11 Jul 2025

https://github.com/joafalves/pixel-community

High performance and modular Java/Kotlin 2D Game Framework.

framework game-2d game-development game-engine game-engine-2d game-framework gamedev java jvm kotlin lwjgl opengl

Last synced: 15 Jul 2025

https://github.com/gabrieldim/resource-description-framework

Resource Description Framework aka RDF examples written in Java

java pretty-rdf-xml rdf turtle xml

Last synced: 19 Jul 2025

https://github.com/onurozuduru/java-shooter-game-project

A simple Java game project for programming class.

2d game java java-game java-shooter-game shooter-game

Last synced: 11 May 2025