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/miroslav-reiter/vava_java

☕ STU FIIT VAVA - Vývoj Aplikácií s Viacvrstvovou Architektúrou, Slovenská technická univerzita v Bratislave Fakulta Informatiky a Informačných Technológií STU FIIT v Bratislave

archimate database design-patterns ea enteprise-architecture java jdbc oop programming reiter sql stu stu-fiit student-project univerzita vava

Last synced: 18 Jun 2025

https://github.com/xyundy/squaredadditions

A Minecraft mod for Fabric modloader which adds new blocks, items & other Vanilla+/Create themed stuff.

100commitow fabric fabricmc fabricmc-mod java minecraft minecraft-fabric minecraft-fabric-mod

Last synced: 20 Jul 2025

https://github.com/Axway/ats-framework

Axway Automated Testing System (ATS) Framework. Details are in the README at the bottom of this page.

automated-testing automation-framework functional-testing integration-testing java test-framework

Last synced: 27 Feb 2025

https://github.com/xxdark/ssbus

Supersonic, lightweight event bus

bus event eventbus java lightweight

Last synced: 19 Apr 2025

https://github.com/subins2000/manglish

A malayalam to manglish converter Android app

android foss java malayalam manglish

Last synced: 05 May 2025

https://github.com/SpencerPark/jupyter-jvm-basekernel

An abstract kernel implementation for Jupyter kernels running on the Java virtual machine.

java jupyter jupyter-kernels jvm

Last synced: 28 Apr 2025

https://github.com/Pfarrer/rust-jvm

Simple Java Virtual Machine written in pure Rust

bytecode-interpreter java jvm rust

Last synced: 16 May 2025

https://github.com/piomin/sample-quarkus-microservices-consul

Demo applications illustrating how to build microservices and run them outside Kubernetes with Quarkus. It shows how to integrate the Quarkus application with Consul discovery and the KV store.

consul consul-kv-store distributed-configuration java load-balancing microservices quarkus quarkus-rest quarkus-stork rest-api rest-client service-discovery smallrye-stork

Last synced: 21 Aug 2025

https://github.com/mo-karbalaee/jalgorithm

Jalgorithm, The Java library that provides all algorithms and data structures for Java developers out of the box☕

algorithms data-structures java multithreading object-oriented-programming shahid-beheshti-university

Last synced: 02 Aug 2025

https://github.com/newrelic/micrometer-registry-newrelic

ARCHIVED. TO SEND MICROMETER METRICS TO NEW RELIC, FOLLOW THE DIRECTION IN THE README.md. Micrometer registry implementation that sends data to New Relic as dimensional metrics.

java monitoring newrelic open-source open-telemetry open-telemetry-java telemetry telemetry-java

Last synced: 29 Sep 2025

https://github.com/threefish/nutzcodeinsight

Intellij idea plugin for Nutz Web Framwork

beetl idea idea-plugin java nutz

Last synced: 14 Apr 2025

https://github.com/LimeChain/Fruzhin

Java implementation of the Polkadot Host

blockchain java libp2p polkadot wasm

Last synced: 11 Apr 2025

https://github.com/raatmarien/chibe

An Android application that reminds you of the time

android clock gpl gplv3 java phone productivity time time-tracker vibration watch

Last synced: 27 Jun 2025

https://github.com/mohammadkarbalaee/jalgorithm

Jalgorithm, The Java library that provides all algorithms and data structures for Java developers out of the box☕

algorithms data-structures java multithreading object-oriented-programming shahid-beheshti-university

Last synced: 13 Jun 2025

https://github.com/nsoft/jesterj

Document Ingestion Framework for Search Systems

elasticsearch java search solr

Last synced: 16 Jan 2026

https://github.com/weihubeats/mq-idempotent

mq幂等框架开箱即用(支持RocketMQ、RabbitMQ、Kafka)mq idempotent framework (support RocketMQ, RabbitMQ, Kafka)

idempotent idempotent-kafka idempotent-rabbitmq idempotent-rocketmq java rabbitmq rocketmq springboot

Last synced: 13 Feb 2026

https://github.com/supla/supla-android

Android client application for the SUPLA open smart home platform.

android home-automation iot java kotlin mobile-app open-source smart-home supla

Last synced: 26 Feb 2026

https://github.com/kbss-cvut/jopa

Java OWL Persistence API

inheritance integrity-constraints java oom owl rdf

Last synced: 11 Feb 2026

https://github.com/ahoo-wang/cosec

RBAC-based And Policy-based Multi-Tenant Reactive Security Framework | 基于 RBAC 和策略的多租户响应式安全框架

authentication authorization cloud-native gateway identity java jwt kotlin microservice multi-tenant oauth2 policy project-reactor rbac reactive redis security spring-boot spring-cloud spring-cloud-gateway

Last synced: 01 Apr 2026

https://github.com/grahamedgecombe/jterminal

JTerminal is a (roughly) VT100-compatible terminal emulator for Swing-based Java applications.

java swing terminal-emulators

Last synced: 11 Apr 2025

https://github.com/spongepowered/cookbook

SpongeAPI munchy crunchy delicious recipes

java sponge sponge-plugin

Last synced: 11 Jan 2026

https://github.com/coveooss/spillway

A simple, distributed and flexible rate limiter

java rate-limit

Last synced: 02 May 2025

https://github.com/rameshmf/java-8-tutorial

Demonstration of Java 8 Features

java java-8 java-lambda

Last synced: 03 May 2025

https://github.com/ehsaniara/spring-boot-multi-data-source

:rocket: Spring Boot 2.2.2 with Multiple DataSource for Postgres Data Replication

datasource datasource-read java multiple-da postgresql spring-boot

Last synced: 06 Mar 2026

https://github.com/jchambers/id-obfuscator

A Java library for reversibly obfuscating numerical identifiers (e.g. 1234 ↔ 4TQCNTL)

java obfuscation security

Last synced: 26 Mar 2025

https://github.com/anishlearnstocode/algorithmic-toolbox

Solutions to Coursera course by University of California, San Diego.

algorithms coursera data-structures dynamic-programming java programming python python3 solutions

Last synced: 10 Apr 2025

https://github.com/ivangfr/springboot-kong-keycloak

Goal: create a Spring Boot app called book-service accessible only through the Kong API gateway. In Kong, the kong-oidc plugin will be installed, enabling communication between Kong and Keycloak. This setup ensures that when Kong receives a request for book-service, it validates the request in conjunction with Keycloak to ensure its authenticity.

docker graalvm java keycloak kong kong-oidc mongodb mysql native postgresql spring-boot spring-data-mongodb spring-web-mvc

Last synced: 10 Apr 2025

https://github.com/manticore-projects/jsqlformatter

Java SQL Formatter, Beautifier and Pretty Printer

beautify formatter java mssql mysql oracle postgres pretty-print sql

Last synced: 26 Aug 2025

https://github.com/obydux/minecraft-startup-flags

Modern way of optimizing garbage collection in Minecraft: Java Edition

flags gc-tuning generational-zgc java java-21 jvm minecraft optimization tuning zgc zgenerational

Last synced: 15 Aug 2025

https://github.com/whaleal/mars

Mars - Java Object Document Mapper for MongoDB (MongoDB ODM Framework )

codec java javaorm mars mongodb odm orm orm-framework springboot whaleal

Last synced: 02 Jul 2025

https://github.com/redistimeseries/jredistimeseries

Java Client for RedisTimeSeries

java java-client redis timeseries

Last synced: 10 Mar 2026

https://github.com/eclipse-jnosql/jnosql-extensions

This project contains all specialization to Eclipse JNoSQL. The specific behavior in a NoSQL database matters, that's why there are Eclipse JNoSQL Mapper specializations.

jakartaee java jnosql microprofile

Last synced: 07 Apr 2026

https://github.com/knopflerfish/knopflerfish.org

Knopflerfish OSGi Service Platform. OSGi run-time container and SDK source code repo

java osgi osgi-services

Last synced: 14 Jan 2026

https://github.com/sing-group/gc4s

GUI Components for (Java) Swing

gui gui-components java library swing

Last synced: 03 Jul 2025

https://github.com/The-Nefarious-Developer/eclipse-ai-assistant

An Eclipse AI Assistant that connects with SAP AI Core deployments to provide a "copilot" experience to ABAP Developers on the cloud and on-premise

abap ai assistant copilot eclipse gpt ide java joule maven-thyco sap

Last synced: 30 Oct 2025

https://github.com/hgwood/java8-streams-and-exceptions

Experiments with dealing with exceptions while using the Stream API

exceptions java streams

Last synced: 30 Oct 2025

https://github.com/norconex/importer

Norconex Importer is a Java library and command-line application meant to "parse" and "extract" content out of a file as plain text, whatever its format (HTML, PDF, Word, etc). In addition, it allows you to perform any manipulation on the extracted text before using it in your own service or application.

extract html java java-library manipulation norconex-importer parse pdf

Last synced: 17 Jun 2025

https://github.com/radarsh/raroscope

A pure Java library for scanning and enumerating RAR archive contents

compression java rar-archives

Last synced: 07 Mar 2026

https://github.com/lujiafa/houtu-admin

Enterprise-level permission management system based on Houtu framework, with frontend-backend separation (Vue 3 + Spring Boot). Supports menu/role/user/organization/position permission control, MFA two-factor authentication, multiple layout modes, and Chinese/English internationalization.

admin-system element-plus enterprise houtu i18n java mfa mybatis-plus permission-management redis spring-boot spring-security vue3

Last synced: 14 Jun 2026

https://github.com/professorjosedeassis/javaee

Java WEB Level 1 (Servlet - jsp - JDBC)

crud itextpdf java javaee jdbc jdbc-driver jsp mysql servlet

Last synced: 28 Feb 2026

https://github.com/cucumber/messages

A message protocol for representing results and other information from Cucumber

dotnet elixir go java javascript perl php polyglot-release ruby tidelift

Last synced: 25 Jan 2026

https://github.com/godcrampy/fireflydb

FireflyDB is a fast, thread-safe, JVM-based key-value storage engine with microsecond latency.

database java storage-engine

Last synced: 17 Jan 2026

https://github.com/greendelta/olca-modules

Source code of the openLCA modules

java maven openlca

Last synced: 06 Apr 2025

https://github.com/digitalfondue/mjml4j

Java implementation for MJML - a framework that makes responsive-email easy

email email-boilerplate java mjml responsive responsive-email templating-engine

Last synced: 16 Jan 2026

https://github.com/amanmehara/programming

A polyglot collection of algorithms and code snippets.

c c-plus-plus c-sharp f-sharp groovy hacktoberfest java javascript php python scala sql

Last synced: 15 Feb 2026

https://github.com/col-e/ll-java-zip

Lower level ZIP support for Java

java zip zipfile

Last synced: 16 Mar 2026

https://github.com/arun-gupta/lambda-rds-mysql

Shows how to use a Lambda function to store data in an RDS instance

aws database hibernate java lambda mysql rds serverless

Last synced: 25 Oct 2025

https://github.com/skinny85/specnaz

Library for writing beautiful, RSpec/Jasmine/Mocha/Jest-style specifications in Java, Kotlin and Groovy

groovy jasmine java java8 jest junit kotlin mocha mochajs rspec testing tests

Last synced: 25 Oct 2025

https://github.com/edummorenolp/arg-programa-4.0-fullstack-ejercicios

Este repositorio contiene los ejercicios resueltos del curso FullStack de ARG Programa 4.0. Los ejercicios están organizados por temas y cada uno cuenta con su propia carpeta. La idea es que los estudiantes puedan utilizar este repositorio como una guía para resolver los ejercicios por su cuenta y como referencia para comparar sus soluciones.

css git github html java javascript mysql spring-boot thymeleaf

Last synced: 15 Mar 2026

https://github.com/dpwgc/fast-im

FastIM 一个基于Spring Boot + WebSocket + Redis,可快速开发的分布式即时通讯群聊系统。适用于直播间聊天、游戏内聊天、客服聊天等临时性群聊场景。

im java nosql redis server spring-boot web websocket

Last synced: 02 Mar 2026

https://github.com/jenkinsci/gitlab-oauth-plugin

Jenkins authentication plugin using GitLab OAuth as source

java jenkins plugin

Last synced: 01 Mar 2026

https://github.com/comcast/oscar

OSCAR - OpenSource Cablemodem file AssembleR - DOCSIS, PacketCable, DPoE Configuration Editor and API Framework

cable-modem cli configuration-file docsis docsis-editor java snmp tlv

Last synced: 11 Apr 2025

https://github.com/hailouwang/androidgo

Android、Flutter 开发者帮助 APP。包含事件分发、性能分析、Google Jetpack组件、OkHttp、RxJava、Retrofit、Volley、Canvas绘制以及优秀博文代码案例等内容,帮助开发者快速上手!

android apidemos arouter dart flutter java jetpack lifecycle livedata mvvm okhttp retrofit rxjava volley

Last synced: 09 Apr 2025

https://github.com/moderocky/mirror

A smart, fast alternative to Java's reflection API.

bytecode bytecode-manipulation java reflection reflection-library

Last synced: 23 Mar 2025

https://github.com/metersphere/metersphere-platform-plugin

该项目是 Metersphere 为支持对接第三方平台缺陷与需求(比如Jira、禅道等),所开发的插件项目

java jira metersphere plugin

Last synced: 20 Aug 2025

https://github.com/didinj/spring-boot-mongodb-react-java-crud

Spring Boot, MongoDB and React.js CRUD Java Web Application Example

application boot crud example java mongo mongodb react reactjs spring spring-boot tutorial web webapp

Last synced: 24 Apr 2025

https://github.com/gantsign/ansible-role-java

Ansible role for installing Java from Adoptium

ansible ansible-role java

Last synced: 06 Apr 2025

https://github.com/apache/qpid-proton-j

Mirror of Apache Qpid Proton-J

amqp amqp10 apache java library messaging qpid

Last synced: 28 Jul 2025

https://github.com/igniterealtime/whack

Open Source XMPP component library for XMPP components

jabber java xmpp-components

Last synced: 08 Apr 2025

https://github.com/yegor256/hangman

Hangman (the game) written in a very unelegant procedural style, which you can improve in order to test your skills

game hangman-game java oop

Last synced: 07 Apr 2025

https://github.com/cronn-de/ssh-proxy

Pure Java implementation for SSH port tunneling that understands ProxyJump and ProxyCommand

java ssh tunnel

Last synced: 19 Mar 2025

https://github.com/phax/en16931-cii2ubl

Converter for EN16931 invoices from CII to UBL

cii converter creditnote en16931 invoice java oasis ubl

Last synced: 29 Dec 2025

https://github.com/commercetools/commercetools-sync-java

Java library for importing and syncing (taking care of changes) data into one or more commercetools projects from external data files or from another commercetools project.

commercetools commercetools-importer commercetools-sdk commercetools-sync ecommerce hacktoberfest import-and-export java sdk sync

Last synced: 06 Apr 2025

https://github.com/andriawan/AndKasir

AndKasir merupakan aplikasi open source yang dibangun dengan bahasa pemrograman Java untuk kebutuhan retail perusahaan menengah dalam mengatur aktifitas barang masuk dan keluar. konsultasi isu, instalasi dan penambahan fitur silahkan kirim email ke irwan@andriawan.com

java kasir point-of-sale

Last synced: 13 Apr 2025

https://github.com/vigna/dsiutils

The DSI Utilities are a mishmash of classes accumulated during the last twenty years in projects developed at the DSI (Dipartimento di Scienze dell'Informazione, i.e., Information Sciences Department), now DI (Dipartimento di Informatica, i.e., Informatics Department), of the Università degli Studi di Milano.

data-structures java mutable-strings pseudorandom-number-generator

Last synced: 07 Jul 2025

https://github.com/bzdgn/docker-spring-boot-java-web-service-example

Tutorial for a docker container running a simple primitive web service built with Spring Boot

alpine docker docker-container docker-image dockerfile java open-jdk rest-api rest-controller spring-boot web-service

Last synced: 30 Oct 2025

https://github.com/simonscholz/qr-code-with-logo

Create a highly customizable QR code with optional Logo in Kotlin or Java

awt-graphics java kotlin library logo maven-central qr qrcode qrcode-generator svg

Last synced: 18 Jul 2025

https://github.com/cloudsimplus/cloudsimplus-automation

A Java 17+ tool for Human-Readable Scenario Specification and Automated Creation of Simulations on CloudSim and CloudSim Plus 🌥⚙️📄👨‍💻

automation cloudsim cloudsim-plus java simulation simulation-scenario yaml

Last synced: 18 Dec 2025

https://github.com/redhat-developer-demos/docker-java

Intro Level Lab for Docker Development for Java Developers

cloud container containers demo docker example gce handson java lab redhat

Last synced: 14 Jul 2025

https://github.com/zaahidali/atm-management-system

A semester project completed in Java Programming language

atm atm-management-system java java-programming java-project semester-project

Last synced: 21 Apr 2025

https://github.com/jp1016/superbadge

🚀 📛 SuperBadge Android Library 🔥

android android-library badge chip custom-view java library rating

Last synced: 07 May 2025

https://github.com/amine-smahi/materiallogin.fx

A simple login panel with javafx using material design ui

amine-smahi flat-design java javafx login material-design netbeans

Last synced: 18 Mar 2025

https://github.com/abdelrahmanbayoumi/hotelfx

Desktop Application for managing the reservations and Guest Check-in or Check-Out built with JavaFX and SQL Database with Hibernate ORM.

database desktop-application fxml hibernate hotel hotel-booking hotel-management-system java javafx orm-framework sql

Last synced: 04 Apr 2025

https://github.com/michaelbull/rs-api

An open-source implementation of a web-service client, written in Java, that allows interaction with the various APIs available for the popular MMORPG; RuneScape.

api client java runescape

Last synced: 10 Jul 2025

https://github.com/ere-health/ere-ps-app

ERE Primary System Desktop Client Application of the Gematik TI

eprescription healthcare java quarkus

Last synced: 12 Apr 2025

https://github.com/haehnchen/idea-php-drupal-symfony2-bridge

PhpStorm plugin to support Symfony components inside Drupal 8

annotation drupal intellij intellij-plugin java php phpstorm phpstorm-plugin symfony twig

Last synced: 05 May 2025

https://github.com/americanexpress/synapse

Synapse is a set of lightweight foundational framework modules for rapid development, built-in with enterprise-grade maturity and quality.

cloud-functions faas java native reactive rest rest-api spring webflux

Last synced: 12 Oct 2025

https://github.com/mmtk/mmtk-openjdk

OpenJDK binding for MMTk

java mmtk openjdk vm

Last synced: 10 Feb 2026

https://github.com/valmobile/realisticsurvival

Realistic Survival - A unique Spigot/Paper plugin inspired by RLCraft that aims to enhance pure survival, adventuring and RPG, and immersion of vanilla Minecraft.

bukkit discord java minecraft modded modded-minecraft modpack mods open-source paper papermc plugin spigot spigotmc survival

Last synced: 14 Mar 2026

https://github.com/zapodot/embedded-ldap-junit

A JUnit rule for running an embedded LDAP server in your JUnit test

java junit-rule ldap ldap-server testing unbound

Last synced: 23 Oct 2025

https://github.com/robeio/robe

A brand new robe for dropwizard

conversion dropwizard hibernate java quartz robe

Last synced: 07 Mar 2026

https://github.com/pakoito/rxsealedunions2

Compile-time checked Unions of different types for Domain Modeling [STABLE]

functional-programming java rxjava2

Last synced: 14 Apr 2025

https://github.com/gcoronelc/peci-java-mar-2015

Repositorio del curso de Java de Mar 2015

java jdbc mybatis mysql netbeans oracle spring sql

Last synced: 06 Apr 2025