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/idouble/keyboard

☕️ A simple Java Library to send commands to the Keyboard ⚙️⌨️

api easy easy-to-understand easy-to-use fast free jar java java-api java-library keyboard library mit mit-license multi-platform multiple-monitors simple

Last synced: 11 Jul 2025

https://github.com/jackhallam/weightless-orm

🛸 A lightweight database mapping library

database java java-orm mongo mongodb orm

Last synced: 23 Jun 2025

https://github.com/quedexnet/java-market-maker

Simple Market Making bot for Quedex Bitcoin Derivatives Exchange.

algo-trading bitcoin bitcoin-options bitcoin-wallet derivatives exchange futures java market-making options quedex

Last synced: 27 Oct 2025

https://github.com/gw-kit/delta-coverage-maven-plugin

Maven plugin for computing code coverage on modified code

code-coverage coverage diff diff-coverage jacoco java kotlin maven maven-plugin

Last synced: 01 Apr 2026

https://github.com/dmulloy2/nospawnchunks

Helps manage server memory by dynamically unloading chunks

admin bukkit java memory minecraft spigot

Last synced: 23 Mar 2025

https://github.com/opensha/opensha

Primary OpenSHA project

earthquakes java psha seismic-hazard

Last synced: 03 Feb 2026

https://github.com/hussien89aa/javaessentialtrainingjavaforandroid

Java Essential Training Java For Android source

java java-8

Last synced: 15 Apr 2025

https://github.com/automatedowl/allure-environment-writer

Java library which allows to write environment.xml file into allure-results directory.

allure-report java reporting-tool testing-tools testng

Last synced: 30 Apr 2025

https://github.com/medusa-ui/medusa

Server-rendered, bi-directional, micro-frontend Java framework built on top of Spring Boot and Thymeleaf

html java server-side-rendering template-engine thymeleaf ui

Last synced: 26 Apr 2026

https://github.com/omke/ula

Learning/Content Management System for University - Microservice architecture

angular angular9 cms content-management-system docker es6 estudent full-stack java javascript lms microservices mongodb mysql ngrx sass scss spring-boot spring-security

Last synced: 02 Sep 2025

https://github.com/oktadev/okta-react-photo-gallery-example

A Photo Gallery Example with React, Spring Boot, and JHipster 5 + Auth by Okta

java jhipster reactjs spring-boot typescript

Last synced: 11 Apr 2025

https://github.com/valpackett/neojamvm

JamVM (lightweight Java Virtual Machine) but built with CMake

jamvm java jvm

Last synced: 22 Apr 2025

https://github.com/ibaca/la-abadia-del-crimen

La Abadía del Crimen • Java & GWT

game gwt java

Last synced: 17 Jun 2025

https://github.com/eikek/sbt-openapi-schema

Generate schema sources for Scala, Java and Elm from an openapi 3.0 spec.

elm java openapi openapi-codegen openapi3 sbt-plugin scala

Last synced: 06 Nov 2025

https://github.com/owmii/powah

Discord:

java minecraft mod powah

Last synced: 10 Sep 2025

https://github.com/red-studio-ragnarok/valkyrie

As the Valkyries' whispers guide us, we carve our path to a Valhalla of optimized Minecraft gameplay.

java minecraft minecraft-forge minecraft-mod minecraft-modding

Last synced: 26 Apr 2025

https://github.com/apivideo/api.video-api-client-generator

Tool used to generate api.video's API clients, based on OpenAPI codegen

client java maven mustache-templates

Last synced: 11 Oct 2025

https://github.com/mfaisalkhatri/api-testing-playwright-java-testng

This repository has example codes related to API Testing using Playwright with Java and TestNG.

api-testing hacktoberfest java playwright rest-api testautomation tutorial

Last synced: 16 Mar 2025

https://github.com/makiftutuncu/e

A zero-dependency micro library to deal with errors

circe gson java junit5 jvm kotlin mdoc play-json sbt scala zio

Last synced: 13 Apr 2025

https://github.com/trigary/iodine

A Minecraft mod - server plugin pair that adds custom GUIs and overlays. No more inventory and chat menus!

bukkit bukkit-plugin forge forge-mod java minecraft minecraft-forge minecraft-forge-mod minecraft-mod

Last synced: 12 Apr 2025

https://github.com/emufog/emufog

EmuFog: Extensible and Scalable Emulation of Large-Scale Fog Computing Infrastructures

fog-computing java

Last synced: 11 Jan 2026

https://github.com/enilink/llrp4j

LLRP protocol and networking for Java

java llrp

Last synced: 10 Apr 2025

https://github.com/spiderpig86/metromapmaker

:bullettrain_side: Build the metro map of your dreams.

java javafx javafx-application map metro subway underground

Last synced: 10 Apr 2025

https://github.com/rohan23chhabra/p2p

Practice project to demonstrate p2p file sharing.

java java-8 java8 javafx javafx-application jfoenix network networking peer-to-peer shared

Last synced: 10 Apr 2025

https://github.com/stevenschwenke/javafxworkshop

Code and a handout for a JavaFX workshop

fxml java javafx javafx-application scene-builder workshop

Last synced: 10 Apr 2025

https://github.com/tolitius/mongodb-write-performance-playground

Playing with MongoDB Write Performance

c java mongodb performance

Last synced: 08 Jul 2025

https://github.com/thriving-dev/kafka-streams-cassandra-state-store

'Drop-in' Kafka Streams State Store implementation that persists data to Apache Cassandra / ScyllaDB

apache-cassandra cassandra java kafka-streams stream-processing

Last synced: 10 Apr 2025

https://github.com/drsnowbird/knime-docker

KNIME Analytics Platform & SDK with Docker Container in X11 desktop

analytics-platform docker docker-container java knime knime-analytics-platform machine-learning x11

Last synced: 10 Apr 2025

https://github.com/HHN/crawler4j

Open Source Web Crawler for Java - A fork of yasserg/crawler4j

crawler crawler4j java spider web-crawler web-spider

Last synced: 05 Oct 2025

https://github.com/DBChoco/Salawat

A prayer times (Adhan) app for Windows and GNU/Linux written in JavaFX.

adhan app application athan azan islam islamic islamic-prayer-times java javafx linux muslim muslim-prayer-times salat salawat software windows

Last synced: 14 May 2025

https://github.com/mhashim6/system-command-executor

A library to make the process of executing system commands through java a simple task.

beginner-friendly command-line-tools java library object-oriented oop

Last synced: 09 Mar 2026

https://github.com/tferr/scripts

:microscope::cocktail: Home of the ImageJ BAR: A collection of Broadly Applicable Routines for ImageJ

beanshell clojure groovy ijm image-analysis imagej imagej2 java jython microscopy python ruby scientific-workflows scripts-collection

Last synced: 14 Apr 2025

https://github.com/kwon37xi/slf4j-lambda

slf4j with Java 8 lambda

java java8 lambda logging slf4j

Last synced: 14 Apr 2025

https://github.com/paypay/paypayopa-sdk-java

With PayPay's Payment SDK, you can build a custom Payment checkout process to suit your unique business needs and branding guidelines

java paypay paypayopa paypaysdk

Last synced: 18 Feb 2026

https://github.com/stevekung/moreplanets

An add-on adds new exotic planets into Galacticraft!

custom-planets forge galacticraft java minecraft moreplanets planet planets

Last synced: 22 Mar 2025

https://github.com/objectos/objectos.way

A new way for building Java applications: the Objectos Way

java library web webapp

Last synced: 08 Mar 2026

https://github.com/rapter1990/cqrs-example

Spring Boot CQRS Example (Docker, Apache Kafka, Zookeeper, MYSQL, MongoDB)

apache-kafka cqrs docker docker-compose java kafka lombok mediator mongodb mysql spring-boot zookeeper

Last synced: 16 May 2025

https://github.com/alexeyev/mystem-scala

Morphological analyzer `mystem` (Russian language) wrapper for JVM languages

computational-linguistics java lemmatizer mystem natural-language-processing russian-morphology russian-specific scala tokenizer yandex

Last synced: 26 Apr 2025

https://github.com/vectrix-space/flare

Useful thread-safe collections with performance in mind for Java 8+.

collections hacktoberfest java java-library thread-safe

Last synced: 16 Apr 2025

https://github.com/alexanderpro/stepik

Решения для курсов на платформе stepik.org

certificate cpp cs csharp database db graphics java javascript js linux mysql security stepic stepik web

Last synced: 11 Apr 2025

https://github.com/jgperrin/net.jgp.books.spark.ch03

Spark in Action, 2nd edition - chapter 3

apache-spark dataframe java java8 manning spark sparkwithjava

Last synced: 06 May 2025

https://github.com/marttp/java-tech-interviews-prep

Java source code for technical interview preparation + Apply real world problems

java leetcode technical-interviews

Last synced: 16 Jul 2025

https://github.com/pizz33/spring-cloud-function-spel

spring-cloud-function SpEL RCE复现环境&poc

java poc rce

Last synced: 05 May 2025

https://github.com/expr4j/expr4j

Java library to evaluate mathematical expressions

expression-evaluator java shunting-yard shunting-yard-algorithm

Last synced: 30 Oct 2025

https://github.com/luiz-otavio/slime-korld

Lightweight slime library to implement the Slime World Format described in DevBlog 5# from Hypixel.

bukkit gradle java kotlin minecraft mit slime-world

Last synced: 18 Jul 2025

https://github.com/jericks/geometrycommands

Commandline application for manipulating geometry.

cli geometry java jts

Last synced: 17 Dec 2025

https://github.com/akemin-dayo/phpcraft

An open-source Minecraft: Java Edition server implementation, written in PHP.

java minecraft minecraft-server minecraft-servers monolog php php7 php72 php73 php74 php8 php80 php81 reactphp viaversion

Last synced: 09 Apr 2025

https://github.com/numaproj/numaflow-java

Numaflow Java SDK

java numaflow numaflow-sdk

Last synced: 23 Apr 2025

https://github.com/knime/knime-tensorflow

KNIME Deep Learning - Tensorflow Integration

deeplearning integration java knime tensorflow visualprogramming

Last synced: 21 Jan 2026

https://github.com/visnkmr/timenetspeed

Monitor live bandwidth usage/ network speed on any device running on any OS except iOS. Uses peristent XML overlay with Java for android, Rust daemon with a python frontend on PCs.

android bandwidth fire friendly java monitor netspeed network os overlay python remote rust speed time tv usage xml

Last synced: 04 Apr 2026

https://github.com/platypusguy/filededupe

Utility to list duplicate files in one or more directories based on the file contents

filemanager filesystem java utility

Last synced: 26 Oct 2025

https://github.com/ivangfr/springboot-rsocket-webflux-aop

The goal of this project is to play with RSocket protocol. For it, we will implement three Spring Boot Java applications, movie-server, movie-client-shell and movie-client-ui. As storage, it's used the reactive NoSQL database MongoDB. All the streaming of movie events and the logging are handling by AOP (Aspect Oriented Programming).

docker graalvm java mongodb native rsocket semantic-ui spring-aop spring-boot spring-data-mongodb-reactive spring-shell spring-webflux thymeleaf websocket

Last synced: 14 Oct 2025

https://github.com/townyadvanced/flagwar

The original war system for Towny, now with it's own repository. Celebrating over Ten Years of warfare.

java minecraft multiplayer paper-api pvp-plugin towny townyadvanced-plugins war

Last synced: 24 Jan 2026

https://github.com/bg-software-llc/ssb-slimeworldmanager

An addon for SuperiorSkyblock2 that adds SlimeWorldManager support for worlds management!

bgsoftware java minecraft plugin skyblock spigot superiorskyblock

Last synced: 19 Oct 2025

https://github.com/compomics/thermorawfileparsergui

Graphical user interface for the ThermoRawFileParser

conversion java proteomics raw

Last synced: 10 Feb 2026

https://github.com/frictionlessdata/datapackage-java

A Java library for working with Frictionless Data Data Packages.

data-science datapackage datapackage-java frictionlessdata java java-8 java8 json-schema

Last synced: 16 Mar 2026

https://github.com/zyrikby/stadyna

StaDynA: Addressing the Problem of Dynamic Code Updates in the Security Analysis of Android Applications

android android-security dynamic-analysis java python research static-analysis

Last synced: 16 Mar 2026

https://github.com/apache/james-hupa

Apache James hupa

james java mail network-server

Last synced: 19 Oct 2025

https://github.com/korpling/pepper

A highly extensible plattform for conversion and manipulation of linguistic data between an unbound set of formats. Pepper can be used stand-alone as a command line interface, or be integrated as an API into other software products.

annotations converter format java linguistic-formats linguistics nlp pepper

Last synced: 20 Oct 2025

https://github.com/exconvinced/revanced-web-app

🚀 A Flask web implementation of the popular ReVanced

aapt android cs50 cs50x flask html java javascript python revanced sqlite3 tailwindcss

Last synced: 02 Sep 2025

https://github.com/mirkosertic/hystrixspring

This shows how to embedd Hystrix in a non invasive manner into existing Spring applications.

hystrix java resiliency spring

Last synced: 16 Apr 2025

https://github.com/TangoraBox/ComponentInspector

Java Desktop (JavaFX and Swing) Component Inspector on mouse over

component component-inspector desktop inspector java javafx node swing

Last synced: 11 May 2025

https://github.com/krasa/cpuusageindicator

IntelliJ plugin https://plugins.jetbrains.com/plugin/8580?pr=idea

intellij intellij-plugin java

Last synced: 18 Mar 2025

https://github.com/Youchien/development-best-practices

程序员开发规范,其中包括Java、JavaScript、CSS、Oracle、MySQL的开发编码规范和规约

best-practises coding-standards development-specification excel-vba guidelines html-css java mysql oracle

Last synced: 20 Jul 2025

https://github.com/theturkeydev/call_of_minecraft-zombies

A Minecraft plugin designed to recreate the Call of Duty Zombies game mode!

bukkit-plugin call-of-duty java minecraft minecraft-bukkit minecraft-bukkit-plugin minecraft-plugin plugin zombies

Last synced: 20 Jun 2025

https://github.com/consiglionazionaledellericerche/cool-jconon

Online application system for recruitment of staff and other types of employment and training of the National Research Council of Italy.

bootstrap docker docker-compose docker-image employment hacktoberfest java jquery maven-central recruitment requirejs spring spring-boot

Last synced: 12 Jan 2026

https://github.com/kiwiproject/kiwi

A set of Java utilities that we could not find in Guava or Apache Commons...or we just felt like having our own version.

java utilities

Last synced: 19 Apr 2026

https://github.com/natiginfo/checkpoint

🛂 An easy to use input validator ✅

checkpoint dsl java kotlin kotlin-dsl validator

Last synced: 14 Apr 2025

https://github.com/asurateam/asuraframework

Asura Framework 是我们在实际使用过程中,抽取出来的公共组件

asura java

Last synced: 14 Apr 2025

https://github.com/securesauce/precli

Precaution CLI - command line static application security testing tool

command-line go java python sast security security-tools static-analysis static-code-analysis

Last synced: 09 Apr 2025

https://github.com/arvindand/maven-tools-mcp

MCP server providing AI assistants with Maven Central dependency intelligence for all JVM build tools (Maven, Gradle, SBT, Mill). Features Context7 integration for documentation support.

ai-tools dependency-management developer-tools docker graalvm gradle java maven maven-central maven-tools mcp mcp-server native-image spring-ai spring-boot

Last synced: 15 May 2026

https://github.com/httpmarco/aeon

A de-/serialization library to manage simple configurations

configuration java

Last synced: 02 Mar 2025

https://github.com/wuwen5/ojdbc-mysql2oracle

SQL Syntax conversion from Mysql to Oracle (Nacos)

java mysql nacos oracle sql-conversion

Last synced: 17 Mar 2025

https://github.com/krasa/editorgroups

IntelliJ plugin prototype of https://youtrack.jetbrains.com/issue/IDEA-12130#comment=27-2838171

intellij intellij-plugin java

Last synced: 17 Mar 2025

https://github.com/jumanji144/reconstruct

Resconstruct is a java library to infer missing information vectors of java classes.

java

Last synced: 17 Mar 2025

https://github.com/ivangfr/web-reactive-jvm-native-cds-aot-virtual-threads

In this project, we’ll create six apps using Spring Boot, Quarkus, and Micronaut. For each framework, one app will use blocking Web with Tomcat, and the other will use non-blocking Reactive with Netty. We’ll build both JVM and Native Docker images. For Spring Boot, additional images will test configurations with Virtual Threads, CDS, and AOT

aot cds docker graalvm java jvm micronaut native quarkus spring-boot virtual-threads web webflux

Last synced: 10 Apr 2025