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/diffplug/selfie

Snapshot testing for Java, Kotlin, and the JVM

groovy java jvm kotlin scala snapshot snapshot-testing snapshot-tests

Last synced: 06 Sep 2025

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/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/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/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/LimeChain/Fruzhin

Java implementation of the Polkadot Host

blockchain java libp2p polkadot wasm

Last synced: 11 Apr 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/hellokoding/springboot-jsp

Spring Boot Hello World Example with JSP

hello-world java jsp spring-boot

Last synced: 13 May 2025

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/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/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/rhuffman/re-retrying

A Java library to allow for the creation of configurable retrying strategies for an arbitrary function call, such as something that communicates with a remote service with flaky uptime.

java retry

Last synced: 29 May 2026

https://github.com/ortus-boxlang/boxlang

Welcome to BoxLang: A Modern Dynamic JVM Language

boxlang dynamic-programming invokedynamic java jsr-223 languages

Last synced: 01 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/tehapo/wizardsforvaadin

Wizards for Vaadin add-on

java vaadin

Last synced: 12 Jul 2025

https://github.com/morn-team/morn-boot-projects

基于SpringBoot的JavaWeb开发框架,致力于为JavaWeb项目提供标准化API。

java jpa spring spring-boot

Last synced: 07 Jul 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/twinkle942910/monthyearpicker

Fancy year and month picker library for your android app

android calendar java library picker-dialog

Last synced: 26 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/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/gaeqs/javayoutubedownloader

A simple but powerful Youtube Download API for Java.

downloader java video youtube

Last synced: 14 Jul 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/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/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/VaneProject/bad-word-filtering

욕설, 비속어등을 확인하고 처리하는 라이브러리 입니다. 필터링용 욕설및 비속어가 보일 수 있으니 참고해주세요.

gradle java library maven mit

Last synced: 13 Mar 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/maif/thoth

Event sourcing in java with vavr, akka stream and vertx reactive PG driver

akka-streams event-sourcing functional-programming java kafka postgresql

Last synced: 10 Oct 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/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/blu3r4y/python-for-java-developers

If you are a Java developer and want to get a quick glance at Python, this course is for you

java python python-courses python-tutorial

Last synced: 19 Aug 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/woowacourse-teams/2021-drop-the-code

👀코드 리뷰 매칭 플랫폼 코드봐줘

java javascript react spring typescript

Last synced: 15 Jun 2025

https://github.com/red5/docker

Docker + Red5 items

docker java rtmp

Last synced: 06 Oct 2025

https://github.com/redistimeseries/jredistimeseries

Java Client for RedisTimeSeries

java java-client redis timeseries

Last synced: 10 Mar 2026

https://github.com/dpsoft/ap-agent

Java agent that acts as a proxy to the almighty Async Profiler

async-profiler firefox-profile flamegraph flamescope java performance pprof profiling

Last synced: 17 Jan 2026

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/selwynshen/nics-easy-rules

rules-engine, based on easy-rules

java rule-engine rules-engine spring yaml

Last synced: 14 Jan 2026

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/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/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/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/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/wx-chevalier/algorithm-examples

Code Snippets of DataStructure & Algorithm & LeetCode Implementations/Solutions for Several Programming Language: Java, JavaScript, Go, Python, Rust, etc. :dizzy: 多语言版本的数据结构与算法实现分析

alogrithms datastructures golang java tree wx-code wx-snippets

Last synced: 27 Jul 2025

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/gantsign/ansible-role-java

Ansible role for installing Java from Adoptium

ansible ansible-role java

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/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/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/thomasnield/dirtyfx

Dirty state-tracking properties and collections for JavaFX

java javafx kotlin tornadofx

Last synced: 03 Mar 2026

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/mmtk/mmtk-openjdk

OpenJDK binding for MMTk

java mmtk openjdk vm

Last synced: 10 Feb 2026

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/col-e/ll-java-zip

Lower level ZIP support for Java

java zip zipfile

Last synced: 16 Mar 2026

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/igniterealtime/whack

Open Source XMPP component library for XMPP components

jabber java xmpp-components

Last synced: 08 Apr 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/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/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/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/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/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/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/betacraftuk/legacyfix

Patches legacy Minecraft

java javaagent legacy minecraft

Last synced: 28 Apr 2025

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/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/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/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/itning/yunshu-notes-r

使用SpringBoot开发的基于HBASE的大数据存储分布式云计算笔记(后端)

hadoop hbase java redis scala spring-boot

Last synced: 29 Jun 2025

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/javase

Programação com Java para iniciantes

curso eclipse java javase poo robocode tutorial

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/sajdoko/storemanagementsystem

JavaFX application to manage products, sales and customers of an e-commerce store. The application performs basic CRUD (create, read, update, delete) functionalities.

java javafx-application javafx-gui store-management-system

Last synced: 10 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/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/calimero-project/calimero-tools

A collection of KNX network tools for device discovery, process communication, and monitoring

cli command-line java knx

Last synced: 09 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