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/ivangfr/springboot-jpa-studies

The goal of this project is to study JPA Batch Processing (i.e, insert / update / delete a set of records in a single command) and JPA Locking.

database-batch database-locking docker java mysql postgresql spring-boot spring-data-jpa spring-web-mvc springdoc-openapi testcontainers

Last synced: 10 Apr 2025

https://github.com/houarizegai/masprojects

Multi-agent system projects

java multi-agent multi-agent-system

Last synced: 10 Apr 2025

https://github.com/AirPowerTeam/AirPower4J

🔥🔥🔥AirPower4J是一个基于 Java17、SpringBoot3.x、JPA&MySQL 的后端开发脚手架,其中包含了一些 RBAC、请求验证、CURD封装、异常处理、多租户SaaS、加解密与安全、WebSocket等模块,以满足日常开发的快捷、稳健、标准化等要求。

api backend java jpa oauth2 spring-boot

Last synced: 21 Jul 2025

https://github.com/jrhea/mothra

Libp2p for dummies

c dotnet ethereum java libp2p rust

Last synced: 24 Mar 2025

https://github.com/luke-c/ikue

Japanese dictionary application for Android

android android-application dictionary japanese japanese-language java mobile-app

Last synced: 24 Dec 2025

https://github.com/carmjos/moeteleport

喵喵传送,简单的传送、设置家的插件,基于Spigot实现。

bukkit bukkit-plugin easyplugin easysql java minecraft-plugin outsource spigot spigot-plugin teleportation

Last synced: 12 May 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/danielgospodinow/dancho-s-rc-car

A simple Arduino-based RC car with Bluetooth connectivity, it also comes with an Android joystick mobile application

android arduino bluetooth bluetooth-controller c java rc-car

Last synced: 10 Apr 2025

https://github.com/ankan24/gfg-solutions

This repository contains solutions to various Data Structures and Algorithms (DSA) problems from GeeksforGeeks (GFG)

cpp dsa dsa-algorithm dsa-learning-series dsa-practice dsalgo java

Last synced: 07 Mar 2026

https://github.com/raydac/j2z80

Maven plugin to translate JVM bytecodes into Z80 commands

compiler java maven-plugin z80 z80asm

Last synced: 13 Apr 2025

https://github.com/sondosaabed/world-map-dijkstra

World map Shortest Path Dijkstra Optimized using priority queue

algorithm dijkstra-shortest-path graph java javafx world-map

Last synced: 10 Jun 2025

https://github.com/aerospike/aerospike-document-lib

Aerospike Java Document API

aerospike document-api java jsonpath

Last synced: 19 Apr 2025

https://github.com/brunyman/MysqlEconomyBridge

Sync economy account over mysql.

bukkit java minecraft plugin spigot

Last synced: 10 Mar 2025

https://github.com/rqlite/rqlite-jdbc

Type 4 JDBC driver for rqlite

java jdbc jdbc-driver

Last synced: 18 Jan 2026

https://github.com/forge-srl/bionic-js

Share JavaScript business logic in other languages.

android bionic-js ios java javascript node-js swift

Last synced: 14 Jul 2025

https://github.com/sondosaabed/huffman-encoding

Java project that implemnts Huffman encoding algorithm

huffman-coding huffman-compression-algorithm java javafx-application

Last synced: 22 Apr 2025

https://github.com/adelarsq/eclipse-gotofile-plugin-kai

:full_moon: Modified version from Muermann's Goto File plugin

eclipse java muermann-goto plugin

Last synced: 19 Apr 2025

https://github.com/kengotoda/guava-helper-for-java-8

A tool set to help developer to use Guava with Java 8

guava guava-collections java sonarqube-plugin spotbugs-plugin

Last synced: 04 Oct 2025

https://github.com/timefoldai/timefold-solver-enterprise

Timefold's commercial offering, enhancing Timefold Solver Community Edition with additional features. Timefold is the successor of OptaPlanner, by the OptaPlanner team. Optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning problems

ai artificial-intelligence constraint-programming constraint-solver cvrp employee-scheduling java maintenance-scheduling metaheuristics operations-research optimization optimization-library planning-algorithms resource-allocation solver-library timefold vehicle-routing vehicle-routing-problem vrp vrptw

Last synced: 24 Jun 2025

https://github.com/minhaskamal/ultimatecalculator

Basic Scientific Calculator (math-calculation-equation-unit-converter-unitconverter-advanced-mathematics-math-number)

advanced-calculator calculator equation java math mathematics scientific scientific-calculator scientific-computing unit-converter unitconverter

Last synced: 11 Jun 2025

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/jgperrin/net.jgp.books.spark.ch12

Spark in Action, 2nd edition - chapter 12 - Transforming your data

apache-spark java java8 manning spark sparkwithjava transformation

Last synced: 04 Mar 2026

https://github.com/harshjuly12/hackerrank_java

Java Hackerrank Practice

java java-15 java-8

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/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/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/viadee/pentest4vaadin

Spider and analyze vaadin applications with OWASP ZAP - the app mediates between the two.

java penetration-testing proxy security shadow-dom vaadin

Last synced: 13 Oct 2025

https://github.com/MrSmart0401/AdminPanel_Vue

🎉 (RuoYi) Official Warehouse A front-end and back-end separation permission management system based on SpringBoot, Spring Security, JWT, Vue & Element, and a Vue3 version is also provided

bootstrap bootstrap-table druid hplus hutool java jquer layer layui mybatis mybatisplus pagehelper quartz shiro spring-boot springboot swagger thymeleaf velocity

Last synced: 14 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/anwesh43/storyview

A android library to create stories in your app

android androidviewanimations androidviews gesture java stories ui views whatsappstories

Last synced: 16 Mar 2026

https://github.com/jfree/graphics2d-tester

A visual tester for Graphics2D implementations

graphics2d java

Last synced: 13 Oct 2025

https://github.com/yegor256/rultor-image

Default Docker image for Rultor

docker docker-image java

Last synced: 27 Mar 2025

https://github.com/adambien/javaeebootstrap

Samples for the javaeebootstrap.com online workshop

airhacks bootstrap java javaee samples workshop

Last synced: 29 Jul 2025

https://github.com/javatmp/javatmp

JavaTMP Bootstrap admin and dashboard component template built using HTML 5 , CSS 3 , jQuery , Bootstrap 4 and Java

admin-dashboard bootstrap bootstrap-admin bootstrap-template bootstrap-templates bootstrap-theme dashboard dashboard-templates gulp java java-bootstrap-template jquery jsp servlet

Last synced: 29 Aug 2025

https://github.com/purejava/appindicator-gtk3-java

Java bindings for appindicator

application indicators java linux

Last synced: 12 Jan 2026

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/sahq-azhar/android-sliding_tabs_with_navigationdrawer

⭐A ready to use Android app template.Navigation Drawer with fragments and Swipeable tabs. The most used layout for organized and minimal displays.

android android-app android-application android-development android-sdk android-studio androidx app fragments google java latest latest-version navigation-bar navigation-drawer swipable swipable-tabs tabs template xml

Last synced: 06 Mar 2026

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/dougnoel/sentinel

A Selenium/Appium framework that enables users to focus on automating web and windows tests, so that automated tests can be written in a non-technical way in the same amount of time as manual tests can be executed.

bdd-framework cucumber gherkin java selenium selenium-framework web-automation webdriver windows-automation

Last synced: 10 Aug 2025

https://github.com/mikesafonov/spring-boot-starter-specification-builder

Spring Boot starter for building specifications in declarative way

java spring-boot spring-data-jpa spring-data-jpa-specification

Last synced: 12 Aug 2025

https://github.com/masesgroup/jcobridge-examples

The repository contains examples files to use with JCOBridge. The examples are ready to run.

awt clr csharp dotnet java java-application jvm jvm-languages jvm-scala scala swing-window visual-basic wpf

Last synced: 14 Aug 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/trzpiot/spring-gradle-hexagonal-example

A Spring example application with a hexagonal (clean) architecture & multi modules with Gradle.

clean-architecture gradle hexagonal hexagonal-architecture java multi-modules ports-and-adapters spring spring-boot

Last synced: 19 Aug 2025

https://github.com/flayone/taxcomparecalculate

2019年个税新政策,起征点提升为5000后,年累进制算法一次性计算当年所有月份工资

2019 andriod calculator constraint-layout java kotlin ripple-effect tax

Last synced: 14 Apr 2025

https://github.com/lambdatest/selenide-testng-sample

Run Selenide and Selenium scripts on LambdaTest automation cloud. A sample repo to help you run Selenide framework based test scripts in parallel with LambdaTest automation testing cloud

automated-tests grid java lambdatest selenide selenium selenium-tests selenium-webdriver test-automation testing testing-tools web-testing

Last synced: 30 Jul 2025

https://github.com/renfei/springclouddemo

SpringCloud微服务入门教程,包含Eureka注册发现、Config配置中心、BUS消息总线、FeignClient客户端 、Zuul网关、Hystrix服务熔断降级、Stream消息队列、Sleuth链路监控、Swagger文档的基本整合演示。

java maven microservice microservices spring spring-cloud

Last synced: 20 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/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/anishlearnstocode/hackerrank-problem-solving-skill-test

Contains solved programs for the HackerRank Problem Solving (Basics) Skill Test Certification 🎓.

algorihms certificate certification data-structures hackerrank java problem-solving

Last synced: 10 Apr 2025

https://github.com/renuka-fernando/smart-meter

Smart Meter - Smart Energy Monitoring System

ballerina java jms microservices-architecture mysql reactjs spring-boot

Last synced: 01 May 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/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/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/googtech/leetcode

☕ The learning note about data structures, algorithms, and leetcode problems, which are based on java、python、golang, and c++.

algorithms-and-data-structures c-plus-plus gitbook golang java leetcode note python

Last synced: 18 Mar 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/java/devrel

Java DevRel feedback

java jdk jvm openjdk

Last synced: 10 Apr 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/diogosouza/ecommerce-android

Android Project of Restful + MySQL + PayPal API Integration

android ecommerce java mysql paypal paypal-checkout paypal-rest-api

Last synced: 30 Apr 2025

https://github.com/gdubya/mqtt-notification-plugin

A simple MQTT Notification plugin for Jenkins

java jenkins-ci jenkins-plugin mqtt

Last synced: 10 Apr 2025

https://github.com/yasuenag/cfa

Class File Analyzer (CFA)

classfile java

Last synced: 11 Apr 2025

https://github.com/sk89q/java-app-class-dumper

🧰 Tool to dump Java class files from a running JVM (Java agent, 2015)

java java-agent

Last synced: 29 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/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/rockem/blink-java

Simplified pure Java http server

http java pure server test

Last synced: 25 Oct 2025

https://github.com/thiru-malai/calllimiter

Call Limiter is an Android application that helps users set a time limit for phone calls to specific contacts.

android call-limiter cut-phonecall deny-phonecall java limit-phonecall phonecall-limiter

Last synced: 31 Jan 2026

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/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/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/apache/uima-addons

Mirror of Apache UIMA addons

cplusplus java uima

Last synced: 10 Apr 2025

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/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/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/mobaijun/kjs-common

Java 工具类库

java java-8 lombok mapstruct sl4j

Last synced: 07 Oct 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/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/socketbyte/opengui

Simple GUI management solution.

java minecraft-api

Last synced: 17 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/florianmichael/rclasses

Random collection of Java classes and utils in different submodules which together form a commons library

classes collection commons features java random utility utils

Last synced: 28 Apr 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/marcono1234/hotjava-1.0-alpha

Files of HotJava 1.0a2 & 1.0a3 (predecessor of Java)

hotjava java

Last synced: 25 Oct 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/sparklingcomet/configapi

Create custom config files for your bukkit plugins through this small API.

bukkit io java json spigot wrapper-api yaml yml

Last synced: 11 Apr 2025

https://github.com/apache/geronimo-openapi

Apache Geronimo Microprofile OpenAPI Implementation

geronimo http java javaee network-server web-framework

Last synced: 09 Apr 2025

https://github.com/testng-team/reportng

An HTML/XML reporting plugin for TestNG

java report testing testng testng-reports

Last synced: 14 Jan 2026

https://github.com/bhaskarblur/arcore-navigation-with-lat-long

This repository developed in Native Android - Java demonstrates how to place objects & draw routes between them in ARCore scene using Latitude & Longitude

anchor android android-studio arcore-android gps hacktoberfest hacktoberfest-accepted hacktoberfest2023 indoor-navigation indoor-positioning java latitude-and-longitude navigation

Last synced: 11 Apr 2025