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/anishlearnstocode/hackerrank-java-basic-skill-test

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

certificate certification hackerrank java programming questions

Last synced: 10 Apr 2025

https://github.com/carldea/worldclock

A Sci-fi looking World Clock created using JavaFX.

clock clockface java javafx sci-fi

Last synced: 10 Apr 2025

https://github.com/fractalfir/jtcpp

jtcpp was an experimental JVM bytecode to C++ transpiler(abandoned).

converter cpp java jvm rust transpiler

Last synced: 28 Oct 2025

https://github.com/longwater1234/wedemyserver

Udemy Clone. (Backend) Springboot 3, Java, Spring Session, Braintree Payments, PayPal, MySQL 8, Hibernate, Redis, Google OAuth

braintree e-learning google-sign-in hibernate java mysql paypal redis-cache spring-boot springsecurity udemy

Last synced: 02 May 2025

https://github.com/jetlang/remoting

Jetlang Remoting - asynchronous distributed messaging

asynchronous embeddable http-server java jetlang websocket-client websocket-server websockets

Last synced: 14 Jan 2026

https://github.com/danvega/springit

Reddit Clone built using Spring Boot 2

java reddit spring spring-boot

Last synced: 05 Sep 2025

https://github.com/slimefun/dough

Library containing a lot of useful utility classes for the everyday Java and Spigot/Paper developer.

bukkit dough java java-library library minecraft paper papermc spigot spigotmc utilities

Last synced: 09 Apr 2025

https://github.com/jaredsburrows/android-gradle-java-multi-module-template

Static analysis tools: PMD, Findbugs, Checkstyle, Lint and Jacoco on multi module build with an Android app module, Android library module and a Java module

android-java-multi android-library checkstyle coverage findbugs gradle instrumentation-tests jacoco java lint pmd static static-analysis static-code-analysis

Last synced: 28 Oct 2025

https://github.com/jklingsporn/coronamq

The simplest way to implement a task queue with Java, Vertx and PostgreSQL.

java message-queue postgres postgresql vertx

Last synced: 12 Mar 2026

https://github.com/networknt/light-graphql-4j

GraphQL implementation based on light-4j

graphql graphql-security graphql-validator java relay relayjs security

Last synced: 06 Jul 2025

https://github.com/vorburger/ch.vorburger.exec

Java library to launch external processes

exec execute execution fork java

Last synced: 31 Aug 2025

https://github.com/rubbaboy/emojide

Programming in Discord emojis. Second place for the ProgrammerHumor Hackathon

antlr discord emoji ide intellij java javascript

Last synced: 20 Jul 2025

https://github.com/isinhah/api-pedidos-sushi

API REST desenvolvida para um Sistema de Pedidos de Sushi, permitindo que clientes visualizem o cardápio e façam pedidos online.

flyway-migrations java junit5 jwt-token postgresql spring-boot

Last synced: 23 Aug 2025

https://github.com/thiagodnf/jacof

Java Ant Colony Optimization Framework

ant-colony-optimization framework java

Last synced: 15 Jul 2025

https://github.com/chuckb/haikuvm

A small JAVA VM for microcontrollers

arduino arm avr bare-metal gradle java jvm raspberry-pi

Last synced: 08 May 2025

https://github.com/AchieveToDo/mod

⚡Challenging modpack with BlazeandCave's that makes advancements 🏅 a part of the gameplay 🎮 with optimization & game fixes.

fabric-mod java minecraft modpack

Last synced: 30 Oct 2025

https://github.com/maruTA-bis5/mattermost4j

Mattermost API v4 Client for Java

hacktoberfest java mattermost

Last synced: 07 May 2025

https://github.com/in28minutes/javatutorialforbeginners

Java Tutorial for Beginners with examples

java java-8

Last synced: 15 Oct 2025

https://github.com/lukoerfer/android-p2p

Small app to create a wifi direct network via android wifip2p

android java

Last synced: 26 Oct 2025

https://github.com/therandomlabs/curseapi

A Java library for handling interactions with CurseForge.

curse curseapi curseforge java java-library

Last synced: 05 May 2025

https://github.com/kud1ing/rucaja

Calling the JVM from Rust via JNI

ffi java jni rust

Last synced: 19 Apr 2025

https://github.com/googlecloudplatform/dataflow-solution-guides

The Dataflow Solution Guides offer full end-to-end deployment for the most common streaming solutions to run on Dataflow.

beam dataflow gcp google-cloud google-cloud-platform java python terraform

Last synced: 20 Oct 2025

https://github.com/minebench/origami

Bukkit/Spigot/Paper based Minecraft server used by Minebench.de | Looking for an updated version? If so most patches are PRd into Paper now, Origami will continue once patches that Paper wont accept are necessary.

bukkit craftbukkit custom-paper java java11 minebench minecraft minecraft-server paper paper-fork phoenix616 spigot

Last synced: 11 Jun 2025

https://github.com/rapter1990/shopme

Shopme (Spring Boot, Mysql, Spring Security, OAuth2, Bootstrap, Javascript, Thymeleaf, S3 Bucket, JUnit)

aws bootstrap ecommerce java junit maven module monolith-architecture mysql oauth2 s3-bucket spring-boot spring-security test-driven-development thymeleaf

Last synced: 16 May 2025

https://github.com/patternfly-java/patternfly-java

PatternFly Java implementation

elemento gwt hacktoberfest j2cl java patternfly

Last synced: 01 Apr 2026

https://github.com/bloomberg/blazingmq-sdk-java

Java SDK for BlazingMQ, a modern high-performance open source message queuing system.

blazingmq bmq distributed-systems java library messaging middleware queue queues

Last synced: 09 Mar 2026

https://github.com/carolcoral/javalearn

已完结。JavaEE 详细学习教程。若有任何疑问或问题可以在 Issues 上提交或给我留言,收到后会第一时间回复,谢谢。如果觉得不错,请 Star!望共勉!

bootstrap easyui hibernate html java javascript jquery jsp mongodb mybatis redis servlet spring spring-boot spring-cloud spring-mvc springmvc struts2

Last synced: 03 Oct 2025

https://github.com/ahoo-wang/govern-eventbus

Govern Service RPC & Event-Driven Architecture Framework || Govern EventBus is no longer maintained, please use Wow instead.

compensation consistency distributed eda event-driven event-driven-architecture eventbus java kafka microservice microservices mq publisher rabbitmq spring spring-boot subscriber

Last synced: 27 Sep 2025

https://github.com/redraiment/java-on-rails

Yet another Java MVC framework inspired by Ruby on Rails.

activerecord java mvc orm ruby-on-rails

Last synced: 31 Jul 2025

https://github.com/self-xdsd/self-core

Self's core, implemented with Java SE 11.

java oop

Last synced: 17 Aug 2025

https://github.com/atrox/haikunatorjava

Generate Heroku-like random names to use in your Java applications

haikunator heroku java

Last synced: 31 Jul 2025

https://github.com/macacajs/wd.java

Java Client binding for Macaca

java macaca webdriver

Last synced: 02 Aug 2025

https://github.com/imb11/skinshuffle

Choose and change your skin in-game!

java minecraft minecraft-skins modding modrinth skin-changer skins

Last synced: 25 Aug 2025

https://github.com/ma63d/leetcode

My LeetCode Solutions. 我的leetcode解题源码.

java javascript leetcode leetcode-solutions

Last synced: 29 Jul 2025

https://github.com/qala-io/java-beginner-course

Self paced course for those who want to become Java programmers

java tutorial

Last synced: 09 Mar 2026

https://github.com/masesgroup/jnet

Java/JVM suite for .NET: a comprehensive suite of libraries and tools to use Java/JVM APIs (Java, Scala, Kotlin, ...) and .NET side-by-side

clr dotnet dotnet-core dotnet6 dotnet8 java jvm kotlin netcore scala

Last synced: 07 Jun 2026

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: 08 Sep 2025

https://github.com/audiveris/proxymusic

Java mapping library for MusicXML

java marshal music musicxml xml-serialization

Last synced: 09 Jul 2025

https://github.com/kangarko/corearena

A high-end monster arena Minecraft plugin with procedural damage and RPG system. Maps included!

arena bukkit bukkit-plugin game java minecraft minecraft-plugin minigame plugin rpg spigot spigot-plugin

Last synced: 21 Mar 2025

https://github.com/kstenschke/dummytext-plugin

"Dummy Text Generator" plugin for Jetbrains IDEs

intellij intellij-plugin java open-api phpstorm plugin

Last synced: 11 Apr 2025

https://github.com/goldmansachs/gs-xsd2bean

A dependency-free XML to Object Mapper

java mapper xml

Last synced: 11 Apr 2025

https://github.com/astefanutti/further-cdi

🔊 Going further with CDI presentation

camel cdi dropwizard java javaee metrics

Last synced: 14 Apr 2025

https://github.com/hologramlib/hologramlib

Powerful, modern packet-based Minecraft hologram library with text, item & block displays, leaderboards, and extensive customization.

entitylib hologram java minecraft minimessage packetevents papermc plugin spigot

Last synced: 05 May 2025

https://github.com/screamingsandals/screaminglib

Cross-platform library for Minecraft development. Currently WIP, but usable and we will finish it eventually

bukkit-library cross-platform-api java minecraft

Last synced: 01 Nov 2025

https://github.com/gmantele/vollt

Java libraries implementing the IVOA protocol: ADQL, UWS and TAP

adql ivoa java tap uws web-app

Last synced: 16 Jan 2026

https://github.com/kyoripowered/adventure-platform-mod

An adapter for adventure to integrate with Fabric and NeoForge

fabric java minecraft neoforge

Last synced: 22 Aug 2025

https://github.com/cajuncoding/pdftemplating.xslfo

This is a C# .NET solution that tests and illustrates the capabilities of Xsl-FO for dynamically generating PDF documents. It provides a way to generate the XSL-FO source xml from Xslt or Razor Templating to address various development teams. And it provides basic WinForms Application that can be used to aid in developing the Xslt and Xsl-FO markup.

apache-fop azure-functions csharp fonet fop java microservice pdf-files pdf-generation pdf-rendering pdf-reports pdf-templating razor-templates razor-views serverless template-engine xsl-fo xslfo xslt xslt-template

Last synced: 16 Mar 2025

https://github.com/gatanaso/multiselect-combo-box-flow

Multi-select-combo-box component for Vaadin

java vaadin vaadin-flow vaadin-platform

Last synced: 14 Apr 2025

https://github.com/bigggge/note

 Material Design 记事本

android java material-design

Last synced: 22 Mar 2025

https://github.com/1farz1/leetcode

A Repo That Contains Solutions To Leet Code Problem I Solved

coding complexity java problem-solving python solutions

Last synced: 30 Oct 2025

https://github.com/normangyllenhaal/spring-boot-payment-starter

google play 和 appstore 服务端支付校验

appstore googleplay java payment spring springboot

Last synced: 22 Oct 2025

https://github.com/yusuf-daglioglu/spring_microservices_demo

Simple Spring (Netflix) Cloud Native Microservice Project

cloud-native docker java netflix-eureka spring zuul-gateway

Last synced: 15 Apr 2025

https://github.com/apache/struts1

Mirror of Apache Struts 1

java struts web-framework

Last synced: 10 Apr 2025

https://github.com/ica10888/k8s-terminal

A k8s web terminal connect tool, java lightweight implementation.

exec java kubernetes terminal

Last synced: 16 May 2025

https://github.com/digitalpetri/strict-machine

A declarative DSL for building asynchronously evaluated Finite State Machines on the JVM

finite-state-machine fsm java state-machine

Last synced: 14 Apr 2025

https://github.com/dehora/nakadi-java

🌀 Client library for the Nakadi Event Broker (examples: http://bit.ly/njc-examples, site: https://dehora.github.io/nakadi-java/)

gson java nakadi rxjava

Last synced: 16 May 2025

https://github.com/xxdark/unsolver-8306275

Enables EnableDynamicAgentLoading in a remote process

encapsulation java java-agent

Last synced: 19 Apr 2025

https://github.com/st235/androidrouter

Simple way to make navigation in Android Application 🔫

android android-sdk java mvp routing

Last synced: 12 Apr 2025

https://github.com/uttesh/pdfngreport

This is the pdf report plugin library written for testng/selenium frameworks, this listener will generate the pdf report on testcases execution, its very simple to configure no need to write any code.

ant java listener pdf-report pom selenium selenium-java testng

Last synced: 05 Sep 2025

https://github.com/chuckb/haikuVM

A small JAVA VM for microcontrollers

arduino arm avr bare-metal gradle java jvm raspberry-pi

Last synced: 27 Feb 2025

https://github.com/hei-school/hei-admin-api

RESTful API for managing a school

java openapi3 restful-api school-management

Last synced: 16 Jan 2026

https://github.com/masterflomaster1/jfxcrypto

🔐 150+ Algorithms, Reactive GUI, and More: Text & File Encryption, Hashing, MAC, Key Generation, and Password Strength Evaluation. JCA, JCE with Bouncy Castle

aes aes-256 chacha20 cipher encryption enigma gui hash hmac java javafx md5 mvvm password pbkdf2 rc4 reactive salsa20 security sha-256

Last synced: 13 Jul 2025

https://github.com/wileylabs/teasy

Test easy with Teasy - UI automation testing framework

automated-testing java selenium teasy testng

Last synced: 13 Apr 2025

https://github.com/jakartaee/transactions

Welcome to the Jakarta EE Transactions API Project (formerly JTA)

api jakarta-ee jakartaee java transaction

Last synced: 03 Jul 2025

https://github.com/mkpaz/corf

A set of tools for IT engineers

gui java javafx javafx-application plugin-system tools

Last synced: 10 Apr 2025

https://github.com/aws-samples/amazon-kinesis-timestream-grafana

Sample serverless application that reads events from Amazon Kinesis Data Streams and batches records to Amazon Timestream via Apache Flink app, visualizing results via Grafana.

amazon-kinesis amazon-kinesis-data-analytics-flink amazon-kinesis-streams amazon-timestream amazon-web-services analytics aws aws-cdk aws-lambda gradle grafa java java-11 kotlin

Last synced: 18 Jul 2025

https://github.com/0x4a616e/jfa

A pure Java/JNA implementation for accessing Apples Foundation Framework

apple java jna macos

Last synced: 14 Jan 2026

https://github.com/angular2guy/aidocumentlibrarychat

A project to show howto use SpringAI with OpenAI to chat with the documents in a library. Documents are stored in a normal/vector database. The AI is used to create embeddings from documents that are stored in the vector database. The vector database is used to query for the nearest document. That document is used by the AI to generate the answer.

ai angular angular-material chatgpt deepseek-coder embeddings gradle java liquibase llava llm mixtral-8x7b ollama pgvector postgresql spring-ai spring-boot sqlcoder typescript vector-database

Last synced: 28 Jun 2025

https://github.com/raydac/jprol

Yet another Java based Prolog engine

engine gui-editor java prolog prolog-engine prolog-programming-language

Last synced: 08 Jan 2026

https://github.com/fraktalio/courier-demo

Axon demo - `Courier Management` Information System - A part of the systems landscape: https://github.com/fraktalio/courier-demo, https://github.com/fraktalio/restaurant-demo, https://github.com/fraktalio/order-demo

axon-framework cqrs ddd demo-app event-sourcing eventmodeling java microservices spring-boot

Last synced: 17 Jan 2026

https://github.com/soumyadip007/school-management-system-gui-software-using-java-swing-awt-jdbc-jtatoo-mysql

A Portable GUI Software built on Java Swing ,AWT, JavaFX and many other components.

awt java javafx jdbc jtattoo mysql swing

Last synced: 26 Oct 2025

https://github.com/adambien/best-of-java-shorts

A selection of Java Shorts from http://youtube.com/bienadam/shorts that I sometimes present at conferences

conferences devoxx infoshare java shorts w-jax

Last synced: 29 Jul 2025

https://github.com/okumin/influent

A Fluentd server running on the JVM

fluentd java

Last synced: 14 Jan 2026

https://github.com/opensearch-project/opensearch-sdk-java

OpenSearch SDK to build and run extensions

java

Last synced: 09 Apr 2025

https://github.com/josdem/vetlog-spring-boot

Maintain your pet history organized

flyway gradle groovy java junit5 spring-boot thymeleaf

Last synced: 22 Apr 2025

https://github.com/felleslosninger/efm-asic

Generic implementation of ASiC-E archives in accordance with ETSI 102 918 v1.3.1.

eformidling java library spring-boot team-eformidling

Last synced: 28 Feb 2026

https://github.com/ytbryan/summerboot

A full-stack Spring Boot skeleton project focusing on ecommerce & blog functionalities. Java ☕️

database ecommerce full-stack heroku java jpa mvc social spring spring-boot-skeleton springboot stripe

Last synced: 25 Feb 2026

https://github.com/xdev-software/chartjs-java-model

Provides Java models for Chart.js

chartjs charts java model

Last synced: 05 Mar 2026

https://github.com/ivangfr/spring-data-jpa-relationships

The goal of this project is to study the JPA relationships: one-to-one, one-to-many / many-to-one, and many-to-many.

java jpa-relationships many-to-many many-to-one mapstruct one-to-many one-to-one postgresql spring-boot spring-data-jpa spring-web-mvc springdoc-openapi testcontainers

Last synced: 19 Oct 2025

https://github.com/jenkins-zh/jenkins-client-java

Java实现的对Jenkins操作

client java jenkins

Last synced: 03 Jan 2026

https://github.com/1and1/snmpman

Easy massive SNMP-agent simulation with the use of simple YAML files

agent docker-image java parallel simulator snmp snmp-agent snmp4j test

Last synced: 02 Oct 2025

https://github.com/nervosnetwork/ckb-sdk-java

Java SDK for CKB

blockchain ckb java nervos

Last synced: 07 Apr 2025