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/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/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/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/rapter1990/footballteamapi

Case Study - Football Team Api with Hexagonal Architecture (Java 21, Spring Boot, Postgres, JUnit, Spring Security, JWT, Docker, Kubernetes, Prometheus, Grafana, Loki, Sonarqube, Github Actions (CI/CD), TestContainer)

docker docker-compose github-actions grafana hexagonal-architecture java java21 junit kubernetes loki postgres prometheus sonarqube spring-security sprng-boot swagger testcontainers

Last synced: 30 Jun 2026

https://github.com/enilink/llrp4j

LLRP protocol and networking for Java

java llrp

Last synced: 10 Apr 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/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/bwaldvogel/log4j-systemd-journal-appender

Log4j appender for systemd-journal that maintains structured log data

java journald log4j systemd

Last synced: 23 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/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/protonail/leveldb-jna

Java JNA (not JNI) adapter for LevelDB

database-adapter java jna leveldb

Last synced: 04 Jul 2025

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/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/operator-framework/josdk-webhooks

Framework and tooling to support writing dynamic admission controllers and conversion hooks for Kubernetes in Java

controller conversion-hook dynamic-admission-controller java kubernetes

Last synced: 11 Jan 2026

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/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/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/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/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/yegor256/thindeck

Web Hosting That Deploys Itself

docker hosting java

Last synced: 27 Mar 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/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/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/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/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/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/woowacourse-teams/2024-coduo

함께 하면 좋은 코딩, 코딩해듀오 💞

java pair-programming react springboot typescript

Last synced: 13 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/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/apache/pekko-connectors-kafka

Apache Pekko Kafka Connector - Pekko-Connectors is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Apache Pekko.

integration java kafka kafka-client kafka-connector pekko pekko-connnectors pekko-streams reactive reactive-streams scala

Last synced: 19 Oct 2025

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/inkatze/wildfly

Ansible role for wildfly

ansible ansible-role java wildfly

Last synced: 25 Jan 2026

https://github.com/hms-core/hms-scene-demo

HMS Scene kit demo provides an example of integrating HUAWEI Scene Kit with an app. A 3D graphics rendering engine performs more with less. User-friendly rendering APIs for games, AR & VR apps, and other apps bring your users a stunning visual experience.

3d-graphics android graphics hms huawei java scenekit

Last synced: 01 Aug 2025

https://github.com/marschall/stored-procedure-proxy

A more convenient and type safe way to call stored procedures from Java.

java jdbc stored-procedures

Last synced: 29 Aug 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/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/rominalodolo/udemyoauth2.0

https://www.udemy.com/course/oauth-2-simplified/

java oauth2

Last synced: 03 May 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/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/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/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/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/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/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/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/arun-gupta/chatbot

Build Your First Chatbot

alexa chatbot java serverless slack starwars

Last synced: 09 Jan 2026

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/opensha/opensha

Primary OpenSHA project

earthquakes java psha seismic-hazard

Last synced: 03 Feb 2026

https://github.com/calimero-project/calimero-gui

A graphical user interface for Calimero based on the Eclipse Standard Widget Toolkit (SWT)

gui java knx swt

Last synced: 22 Jul 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/ayonious/file-compression

📦 Zip and Unzip files using Huffman's code and LZW Algorithm

compression huffman-compression-algorithm java lzw-compression zip

Last synced: 12 May 2025

https://github.com/pontusab/react-native-image-manipulator

🗻Manipulate the image provided via uri. Available modifications are rotating, flipping (mirroring), resizing and cropping.

java objective-c react-native

Last synced: 11 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/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/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/opentracing-contrib/java-xray-tracer

Java OpenTracing implementation backed by AWS X-Ray

aws aws-xray java opentracing

Last synced: 09 Jul 2025

https://github.com/graylog2/jadconfig

Annotation-driven configuration library for the Java programming language

configuration google-guava google-guice guava guice java java-library joda

Last synced: 04 Apr 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/buildcraft/buildcraftapi

The API for BuildCraft. Versions 7.2.0 and above.

buildcraft java minecraft mod

Last synced: 07 May 2025

https://github.com/proninyaroslav/nesoid

Nintendo NES emulator for Android. Fork of the original project: https://sourceforge.net/projects/nesoid

android emulator fceultra fceux java nes nesoid

Last synced: 09 Sep 2025

https://github.com/osiris-team/dyml

The YAML and DYML processor of your dreams, with ultimate comment support, written from scratch in Java!

api java library parser read write yaml

Last synced: 19 Mar 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/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/selimhorri/employees-simple-management

Spring Boot Angular application for managing simple employees with great frontend

angular h2-database java jpa rest-api springboot

Last synced: 12 Apr 2025

https://github.com/ocadotechnology/test-arranger

Arranges test data as fully populated objects

java junit kotlin testing

Last synced: 09 Jul 2025

https://github.com/shashank02051997/java-game-and-application

Java Games and Application with awesome source code and better algorithm

application game game-2d game-development games java java-8 java-library project

Last synced: 11 Jul 2025

https://github.com/ringcentral/metrics-facade

RingCentral Metrics Facade is a Java library for working with metrics, allowing extremely flexible configuration of metrics and their export, designed to be generic and not tied to a specific implementation.

hdrhistogram histogram java jmx metrics monitring open-source prometheus ringcentral zabbix

Last synced: 15 Sep 2025

https://github.com/stefanbirkner/fake-sftp-server-lambda

Runs an in-memory SFTP server while your tests are running.

inmemory java sftp sftp-server test unittest

Last synced: 21 Mar 2025

https://github.com/camunda-community-hub/micronaut-camunda-external-client

This open source project allows you to easily integrate Camunda's External Task Clients into Micronaut projects: simply add a dependency in your Micronaut project

bpm business-process camunda external-task external-task-pattern graalvm hacktoberfest java kotllin micronaut microservice workflow

Last synced: 13 Jul 2025

https://github.com/hoangsonww/queue-and-hashtable-dsa

🔑 This repository focuses on hash tables and priority queues, highlighting their use in text analysis, word stats generation, and managing a movie review user database. It includes techniques for efficient text tokenization, word frequency analysis, prioritized data handling, and more!

algorithms data-structures dsa hash hashcode hashing hashing-algorithm hashmap hashtable java java-8 priority-queue queue queue-algorithm queue-theory

Last synced: 12 Jul 2025

https://github.com/apache/geronimo-xbean

Mirror of Apache Geronimo xbean

geronimo http java javaee network-server web-framework

Last synced: 23 Jun 2025

https://github.com/georgemoralis/arcadeflex

Port of mame versions emulator to java

arcade emulator java mame

Last synced: 16 Dec 2025

https://github.com/developmentseed/josmmagicwand

JOSM Plugin allows select areas to label using a range of colors,

java josm josm-plugin magic-wand opencv

Last synced: 23 Jun 2025

https://github.com/marklogic-community/corb2

MarkLogic tool for bulk loading, processing, and reporting on content.

batch-job batch-processing corb corb-jobs java javascript-modules marklogic xcc xquery

Last synced: 21 Apr 2026

https://github.com/hoangsonww/tic-tac-toe-ai-game

🎲 This project showcases an interactive Tic-Tac-Toe experience, enhanced by sophisticated artificial intelligence. Developed from the ground up, the game features intricate algorithms designed to challenge and engage players at every level.

ai artificial-intelligence game java javafx machine-learning machine-learning-algorithms tic-tac-toe tic-tac-toe-game tic-tac-toe-java tictactoe tictactoe-game

Last synced: 26 Oct 2025

https://github.com/revxrsal/tuna-bytes

An all-purpose mixins framework for Java bytecode manipulation at runtime, targeted at those with minimal understanding of the bytecode structure.

bytecode bytecode-manipulation classloader java mixins

Last synced: 23 Mar 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/jiangnanboy/text_security_audit

text security audit 安全审核-语义模型过滤 敏感内容检测系统

java onnxruntime roberta-model text-security-audit

Last synced: 16 Jan 2026