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/protonail/leveldb-jna

Java JNA (not JNI) adapter for LevelDB

database-adapter java jna leveldb

Last synced: 04 Jul 2025

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

Numaflow Java SDK

java numaflow numaflow-sdk

Last synced: 23 Apr 2025

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/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/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/appbaseio/appbase-droid

Elasticsearch and appbase.io library for Android (and Java)

android appbase elasticsearch elasticsearch-client java

Last synced: 26 Jun 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/owmii/powah

Discord:

java minecraft mod powah

Last synced: 10 Sep 2025

https://github.com/tupilabs/humannameparser.java

HumanNameParser.java, a Java port of HumanNameParser.php. Parser for human names in Java, all credit goes to @jasonpriem

hacktoberfest java name nlp textprocessing

Last synced: 30 Jul 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/ls1intum/ares

The Artemis Java Test Sandbox. A JUnit 5 Extension for Easy and Secure Artemis Java Testing

ajts ares artemis deadline education exercise feedback java jqwik junit junit5 sandbox students teaching test test-framework testing thread tum

Last synced: 05 Sep 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/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/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/jackhallam/weightless-orm

🛸 A lightweight database mapping library

database java java-orm mongo mongodb orm

Last synced: 23 Jun 2025

https://github.com/jericks/geometrycommands

Commandline application for manipulating geometry.

cli geometry java jts

Last synced: 17 Dec 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/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/ericyoondotcom/minecraftmanhunt

Minecraft Bukkit plugin to run Manhunt minigames, with Discord music integration

bukkit bukkit-plugin discord discord-bot java jda jda-bot lavaplayer minecraft minecraft-plugin spigot spigot-plugin

Last synced: 31 Aug 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/arindal1/30day-js

30 day challenge by @hiteshchoudhary to revise and practice JavaScript

30daysofjavascript api chaiaurcode java javascript js practice react restful-api weather-app webdevelopment

Last synced: 04 Apr 2025

https://github.com/eclipse-sprotty/sprotty-server

Server implementation for the Sprotty diagramming framework

diagrams eclipse java server

Last synced: 14 Jan 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/hussien89aa/javaessentialtrainingjavaforandroid

Java Essential Training Java For Android source

java java-8

Last synced: 15 Apr 2025

https://github.com/yegor256/thindeck

Web Hosting That Deploys Itself

docker hosting java

Last synced: 27 Mar 2025

https://github.com/idpass/idpass-lite-java

Java wrapper for idpass-lite, a library to create and interact with secure and biometrically-binding QR code identity cards

biometrics digital-identity identity-cards java

Last synced: 04 Mar 2026

https://github.com/4drian3d/kickredirect

Redirect your players to a server after a server shutdown

java minecraft minecraft-plugin plugin velocity velocity-plugin velocitypowered

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/jhermann/jmx4py

:hot_pepper: :snake: :package: Jolokia Python Client

api-client java jmx jolokia python

Last synced: 19 Apr 2025

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/arun-gupta/chatbot

Build Your First Chatbot

alexa chatbot java serverless slack starwars

Last synced: 09 Jan 2026

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/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/d2si-oss/ooso

Java library for running Serverless MapReduce jobs

aws java lambda library mapreduce serverless

Last synced: 13 Oct 2025

https://github.com/surajsgh/data-structures-and-algorithms

👨‍💻 💪 A Repository of General Mathematical Programs, Bits Manipulation, Recursion and 'Data Structures and Algorithms'.

algorithms data-structures java leetcode mathematics problem-solving recursion technical-interview-questions

Last synced: 24 Feb 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/raonigabriel/spring-qrcode-example

Demonstrates some of the capabilities of the Spring Boot framework through a small, simple example.

java microservice qrcode spring-boot zxing

Last synced: 13 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/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/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/ivangfr/springboot-vault-examples

The goal of this project is to explore the capabilities of Vault. To achieve this, we will develop applications that utilize Vault for storing and retrieving secrets. Vault dynamically generates credentials for accessing databases and relies on Consul as the backend. The authentication method employed in Vault is AppRole.

cassandra consul docker java jib mysql spring-boot spring-cloud-vault spring-data-jpa spring-vault spring-web-mvc springdoc-openapi vault

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/jinhucheung/hubplayer

以酷狗音乐播放器的用户界面为原型, 制作的一个基于 Java Sound, 实现播放、搜索、下载的音乐播放器

java java-sound java-swing jsoup music-player substance

Last synced: 30 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/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/jumanji144/reconstruct

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

java

Last synced: 17 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/ivangfr/spring-webflux-reactive-databases

The goal of this project is to play with Spring WebFlux on client and server side. For it, we will implement some Spring Boot Java Web applications, product-api, customer-api, order-api and client-shell, and use reactive NoSQL database like Cassandra, MongoDB, Postgres and MySQL.

cassandra docker http-interface java mongodb mysql postgresql spring-aop spring-boot spring-data-cassandra-reactive spring-data-mongodb-reactive spring-data-r2dbc spring-shell spring-webflux springdoc-openapi

Last synced: 10 Apr 2025

https://github.com/ccann/gregor

Lightweight Clojure bindings for Apache Kafka

clojure java kafka queue

Last synced: 02 May 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

https://github.com/symflower/symflower

Whether you’re using LLMs or not, Symflower helps you build better software by pairing static, dynamic and symbolic analyses with LLMs. The robustness of deterministic analyses combined with the creativity of LLMs allows for higher quality and rapid software development.

ci golang intellij-plugin java linting llm test-automation testing testing-tools unit-testing vscode-extension

Last synced: 19 Feb 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/jfrog/artifactory-gradle-plugin

JFrog Gradle plugin for Build Info extraction and Artifactory publishing.

artifactory gradle gradle-plugin java jfrog

Last synced: 01 Aug 2025

https://github.com/depromeet/walwal-server

세상 모든 반려동물을 한 자리에서! 왈왈🐶

aws docker java mysql spring spring-boot sqs

Last synced: 08 Mar 2026

https://github.com/arakelian/faker

A Java library for generating fake data such as names, addresses, and phone numbers.

data fake fake-content fake-data faker java java-8 mocking mocks test

Last synced: 01 Aug 2025

https://github.com/rasheedsulayman/dotplayer

🎧 A light, feature-packed and very customisable material designed audio player.

android audio audio-player dynamic-theme java material-design music musicplayer rx

Last synced: 22 Apr 2025

https://github.com/devcsrj/mvnrepository-client

📦Client for querying artifacts from http://mvnrepository.com/

artifacts client java library maven repository

Last synced: 09 Apr 2025

https://github.com/piomin/kubernetes-quickstart

Demo Java apps for several scenarios on Kubernetes

java jib kafka kubernetes skaffold spring-boot

Last synced: 16 Mar 2025

https://github.com/burtcorp/athena-jdbc

A JDBC driver for AWS Athena

aws-athena java jdbc jdbc-driver

Last synced: 14 Jan 2026

https://github.com/yuyuanweb/mcp-mianshiya-server

基于 Spring AI 的面试鸭搜索题目的 MCP Server 服务,快速让 AI 搜索企业面试真题和答案

ai backend interview-questions java mcp mysql spring-ai springboot

Last synced: 09 Apr 2025

https://github.com/zmalrobot/JavaLinuxUndervolt

Small GUI for undervolt.py script

java linux ubuntu undervolt

Last synced: 18 Jul 2025

https://github.com/frapples/java-pinyin

A library that provides Pinyin and Chinese conversion and Chinese word segmentation.一个汉字与拼音互转的工具库,提供简单的分词功能。

chinese hans java java-pinyin pinyin

Last synced: 14 Jan 2026

https://github.com/spinyowl/spinygui

(WIP) Java OpenGL GUI library. Created for using with latest LWJGL (LWJGL 3).

framework gui gui-framework gui-library java lwjgl lwjgl3 opengl ui

Last synced: 03 May 2026

https://github.com/hoangsonww/space-invader-game-javafx

👾 Embark on an exhilarating journey with SpaceInvader, a thrilling experience as you navigate through cosmic challenges and face off against alien invaders. Crafted with JavaFX, SpaceInvader combines stunning visuals and engaging gameplay to create a truly immersive experience.

game game-development gamedev java javafx javascript space-invaders space-shooter space-shooter-game

Last synced: 11 Apr 2025

https://github.com/taywils/java_spark_tutorial

Code for tutorial on my blog http://taywils.me/2013/11/05/javasparkframeworktutorial/

java sparkjava

Last synced: 07 May 2025

https://github.com/gcoronelc/databases

Bases de datos ejemplo para mis cursos de programación, SQL Server y ORACLE.

databases gcoronelc java orace recursos sql

Last synced: 06 Apr 2025

https://github.com/gomvn/gomvn

Self-hosted private maven repository.

java maven maven-repository self-hosted

Last synced: 11 Jan 2026

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/eclipse-nattable/nattable

High performance SWT data grid

eclipse-rcp java swt

Last synced: 12 Sep 2025

https://github.com/zabuzard/fastcdc4j

Fast and efficient content-defined chunking for data deduplication. Java implementation of FastCDC as library.

cdc chunking content-defined-chunking data-deduplication fastcdc java library

Last synced: 05 Mar 2026

https://github.com/sisby-folk/surveyor

Unified API, networking, and save data for minecraft map mods.

java minecraft modtoberfest

Last synced: 02 Apr 2026

https://github.com/diadoc/diadocsdk-java

Official Diadoc SDK for Java

diadocsdk-java java

Last synced: 03 Jun 2026

https://github.com/coding-enthusiast9857/hacktoberfest22-contribute-dsa

Hacktoberfest 2022🎉 Guys, open your 1st pull request and contribute in an open-source community...!! This is for everyone💯 So, Hurry up...!! Don't forget to spread love and if you like, give a ⭐️

c cpp data-structures data-structures-algorithms data-structures-and-algorithms digitalocean dsa dsa-learning dsa-practice hacktoberfest hacktoberfest2022 hacktoberfest22 java open-source open-source-project python

Last synced: 19 Oct 2025

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/tombarr/seven--calculator

The Seven+ Calculator - A Metro UI Inspired Calculator for Android

android java

Last synced: 13 Apr 2025