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/ortus-boxlang/BoxLang

Welcome to BoxLang: A Modern Dynamic JVM Language

boxlang dynamic-programming invokedynamic java jsr-223 languages

Last synced: 27 Feb 2025

https://github.com/gotson/nightmonkeys

Additional plug-ins and extensions for Java's ImageIO using native libraries

imageio java java-imageio java19 jpeg-xl jxl plugins webp

Last synced: 24 Mar 2025

https://github.com/ichtrojan/fragrance

Fragrance showcase built with Go

fragrances go golang gorm java jquery mysql

Last synced: 15 Jul 2025

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

Simple Java Virtual Machine written in pure Rust

bytecode-interpreter java jvm rust

Last synced: 13 Apr 2025

https://github.com/paypal/mirakl-hyperwallet-connector

The Hyperwallet Mirakl Connector (HMC) is a self-hosted solution that mediates between a Mirakl marketplace solution and the Hyperwallet (PayPal) payout platform.

connector hyperwallet java mirakl paypal

Last synced: 30 Oct 2025

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/jinahya/bit-io

A library for reading/writing arbitrary length of bits.

bit io java

Last synced: 05 Apr 2026

https://github.com/ivangfr/axon-springboot-websocket

The goal is to explore Axon. We will develop a food-ordering app comprising 3 Spring Boot applications: customer-service, restaurant-service, and food-ordering-service. These services are implemented with CQRS and Event Sourcing, utilizing the Axon Framework. They connect to axon-server, which serves as the Event Store and Message Routing solution.

axon axon-server cqrs docker event-sourcing java jib mongodb mysql postresql semantic-ui spring-boot spring-data-jpa spring-web-mvc springdoc-openapi thymeleaf websocket

Last synced: 10 Apr 2025

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

Restate SDK for JVM Languages

distributed-systems java jvm kotlin kotlin-coroutines

Last synced: 03 Feb 2026

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

A Java component library for integrating with ComPDFKit API to build a PDF Viewer and Editor.

api compdfkit-api java pdf pdf-converter pdf-document pdf-editor pdf-viewer

Last synced: 30 Apr 2025

https://github.com/jetbrains/guide

The JetBrains Guide is a collection of resources for learning JetBrains IDEs.

dotnet golang java python unity unreal-engine vitest

Last synced: 25 Aug 2025

https://github.com/kunerd/jpaillier

A Java implementation of Paillier cryptosystem.

java paillier-cryptosystem

Last synced: 12 Apr 2025

https://github.com/bharat2044/striver-a2z-dsa-sheet-solution-using-java

This repository contains Strivers A2Z DSA Course/Sheet Code Solution using JAVA with explanation. 🔥

data-structures data-structures-and-algorithms dsa dsa-practice java problem-solving striver-a2z-sheet strivers-sde-sheet

Last synced: 30 Jul 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/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/kbss-cvut/jopa

Java OWL Persistence API

inheritance integrity-constraints java oom owl rdf

Last synced: 11 Feb 2026

https://github.com/bnosac/rdrpostagger

R package for Ripple Down Rules-based Part-Of-Speech Tagging (RDRPOS). On more than 45 languages.

java multi-language natural-language-processing nlp pos pos-tagging r r-package tagging

Last synced: 29 Apr 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/jellyfin/jellyfin-androidx-media

Prebuilt AndroidX Media3 extension(s) used in the Jellyfin project.

exoplayer ffmpeg java jellyfin kotlin

Last synced: 29 Dec 2025

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/hellokoding/springboot-jsp

Spring Boot Hello World Example with JSP

hello-world java jsp spring-boot

Last synced: 13 May 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/phw/android-pwdhash

A password hash implementation for Android.

android android-app java password-hash pwdhash security

Last synced: 22 Mar 2025

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: 02 Apr 2025

https://github.com/cristianzsh/jceditor

:memo: Text editor created in Java

java java-text-editor potigol syntax-highlighting text-editor

Last synced: 28 Apr 2025

https://github.com/mechero/java-9-flow-reactive

A sample application using Java 9's Flow API and SubmissionPublisher

flow java java9 reactive-programming

Last synced: 14 Jun 2025

https://github.com/cegredev/josi

A Java library designed to make making decisions based on the current operating system easier.

java library operating-system utility

Last synced: 14 Jan 2026

https://github.com/codehaus-plexus/plexus-compiler

Plexus compiler a layer on top of compilers and used by maven-compiler-plugin

compiler java maven maven-plugin

Last synced: 15 May 2025

https://github.com/coveooss/spillway

A simple, distributed and flexible rate limiter

java rate-limit

Last synced: 02 May 2025

https://github.com/kirklin/privatenotes

个人学习笔记,包含了计算机科学笔记,前端笔记,后端笔记

algorithms computer-science html-css-javascript java kirklin linux notes system-design

Last synced: 23 Apr 2025

https://github.com/lnwazg/httpkit

java版的http服务器,替代Tomcat、jetty的超轻量级方案

http java microservice server

Last synced: 29 May 2026

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/tigase/jaxmpp

Java XMPP client library

android chat instant-messaging jabber java library xmpp

Last synced: 27 Jul 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/spencerpark/jupyter-jvm-basekernel

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

java jupyter jupyter-kernels jvm

Last synced: 21 Mar 2025

https://github.com/nsoft/jesterj

Document Ingestion Framework for Search Systems

elasticsearch java search solr

Last synced: 16 Jan 2026

https://github.com/ttddyy/datasource-assert

Provides assertion APIs for query executions with assertEquals and assertThat(AssertJ and Hamcrest)

assertj datasource datasource-proxy hamcrest java jdbc junit testing testng unittest

Last synced: 22 Jul 2025

https://github.com/gaeqs/javayoutubedownloader

A simple but powerful Youtube Download API for Java.

downloader java video youtube

Last synced: 14 Jul 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/gwtboot/gwt-boot-samples

GWT Boot: Samples to check all the Starters

boot framework gwt java javascript spring-boot starter

Last synced: 14 Jul 2025

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/nandtel/spring-boot-angular2-starter

Starter application. Spring Boot, Angular 2, TypeScript, Gulp, Gradle, SCSS.

angular2 gradle gulp heroku java livereload scss spring-boot typescript

Last synced: 04 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/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/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/mihaicostin/hibernate-l2-memcached

Hibernate second level cache implementation over memcached

hibernate java memcached second-level-cache

Last synced: 14 Jan 2026

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/coralblocks/coralcpp

Call Java from C++ and C++ from Java with a variety of old and new projects like JNI, JNA, JNR, FFM, JExtract, BridJ, GraalVM, JNI-Bind, etc.

bridj cpp ffm graalvm graalvm-native-image java jextract jna jni jni-bind jnr jnr-ffi jvm

Last synced: 28 Apr 2025

https://github.com/afarber/android-questions

Small projects for asking at Stackoverflow

android java stackoverflow

Last synced: 05 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/pisces-hub/muchat

Muchat是用JAVA语言开发的轻量、高性能、单机支持几十万至百万在线用户IM,主要目标降低即时通讯门槛,快速打造低成本接入在线IM系统,通过极简洁的消息格式就可以实现多端不同协议间的消息发送如内置(Http、Websocket、Tcp自定义IM协议)

chat im java netty redis springboot tcp zookeeper

Last synced: 12 Apr 2025

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/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/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/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/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/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/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/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/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/robeio/robe

A brand new robe for dropwizard

conversion dropwizard hibernate java quartz robe

Last synced: 07 Mar 2026

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

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/mechero/completable-future-example

Example project comparing Java's CompletableFuture and Future implementations

completablefuture future java thepracticaldeveloper

Last synced: 30 Apr 2025

https://github.com/vy/rotating-fos

Java library providing rotating/rolling FileOutputStream.

fileoutputstream java

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/zuazo/node-jmx

Node.js library to connect to Java applications through JMX.

java jmx jvm node

Last synced: 30 Apr 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/mukulkolpe/social_media_app

A social media app where users will be able to communicate in public channels as well as personal messages, share stories, share media.

andriod chat-application firebase firebase-auth firebase-database firebase-realtime-database java social-media social-media-app xml

Last synced: 12 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/cronn/ssh-proxy

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

java ssh tunnel

Last synced: 01 May 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/benelog/one-ftpserver

Simple, portable FTP server for one user by one executable jar file.

ftp java

Last synced: 04 Sep 2025

https://github.com/glenncai/open-bi-platform-backend-microservices

An open-source business intelligence platform based on microservice architecture.

eureka java mysql openai rabbitmq redis spring-boot spring-cloud spring-cloud-config spring-cloud-gateway

Last synced: 04 Jul 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/eulery/opentsdb-java-sdk

用Java语言封装了openTSDB的http api

java opentsdb-http

Last synced: 14 Jan 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/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