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/davidmoten/rxjava2-http

Transmit RxJava2 Flowable over http with non-blocking backpressure

http io java jvm reactive reactive-streams rxjava rxjava2 stream streaming-api

Last synced: 22 Mar 2025

https://github.com/nilshartmann/graphql-examples

Examples for GraphQL using various frameworks in backend and frontend

apollographql graphql java react spring springboot typescript

Last synced: 20 Jul 2025

https://github.com/sebischair/SimpleNLG-DE

German version of SimpleNLG 4

java natural-language nlg simplenlg

Last synced: 14 May 2025

https://github.com/arteam/embedded-http-server

A light and minimalistic HTTP server for Java with zero dependencies and quick startup time

http java unit-testing

Last synced: 25 Jun 2025

https://github.com/lukehb/trajsuite

TrajSuite is a cross-platform Java application that provides a suite of trajectory data-mining and visualisation features.

algorithms classification clustering data-minig java opengl trajectory visualisation

Last synced: 04 May 2025

https://github.com/bakdata/kafka-error-handling

A library for error handling in Kafka Streams.

java kafka-streams

Last synced: 10 Apr 2025

https://github.com/tfkfan/netty-server-game-demo

Netty java game highload server with room management support

gameserver highload java netty

Last synced: 12 Apr 2025

https://github.com/scaledrone/scaledrone-java

Scaledrone Java & Android WebSocket client

android java real-time scaledrone websocket websocket-client

Last synced: 12 Apr 2025

https://github.com/yegor256/cam

Classes and Metriсs (CaM): a dataset of Java classes from public open-source GitHub repositories

cyclomatic-complexity dataset java metrics metrics-gathering

Last synced: 27 Mar 2025

https://github.com/nextbreakpoint/nextfractal

NextFractal is an application for creating fractals and other algorithmically generated images

creating-fractals fractal-algorithms fractal-rendering fractals java javafx javafx-application julia-fractal mandelbrot-fractal

Last synced: 17 Jan 2026

https://github.com/brenns10/yams

YAMS: Awesome MIPS Server

assembly brainfuck http-server java mars mips

Last synced: 16 Feb 2026

https://github.com/orpolyzos/spring-web-initializr

Spring Web Initializr is a library that helps you easily create Web Apps with Spring Boot.

java library mvc mvc-pattern plugin rest rest-api spring spring-boot webapp

Last synced: 05 May 2025

https://github.com/terl/hydride-java

Libhydrogen implemented in Java.

c cryptography encryption hash hashing java java-8 jna shared-library

Last synced: 30 Apr 2025

https://github.com/spyopensource/os

Java Operation System, it is an operating system that you can build by yourself.

java jdk os

Last synced: 17 Jan 2026

https://github.com/apache/logging-chainsaw

Apache Chainsaw is a GUI log viewer

apache java logging

Last synced: 09 Apr 2025

https://github.com/objectionary/eo-intellij-plugin

Syntax Highlighting Intellij IDEA Plugin for EO Programming Language

eolang intellij intellij-plugin java oop parser

Last synced: 16 Oct 2025

https://github.com/zifangsky/easylimit

这是一个同时支持MVC和前后端分离项目开发模式的权限控制框架

authentication authorization front-end-framework java mvc-pattern permission-manager

Last synced: 14 Jan 2026

https://github.com/jeanthom/enigma

Jar reverse engineering tool

gradle jar java reverse-engineering

Last synced: 11 Aug 2025

https://github.com/elandaofficial/venum

A simulated java-like associative-enum implementation.

associative cpp enum java macros map set venum

Last synced: 24 Jun 2025

https://github.com/oktadev/okta-java-rest-api-comparison-example

Java REST API with Micronaut, Quarkus, and Spring Boot

java micronaut quarkus rest rest-api spring-boot

Last synced: 06 Oct 2025

https://github.com/dropwizard/dropwizard-health

Provides a health check implementation that performs ongoing monitoring of an application's dependencies and includes an endpoint that can be called by a load balancer to determine if the application is healthy and thus able to receive traffic.

dropwizard health-check health-checks healthcheck java

Last synced: 29 May 2026

https://github.com/srcimon/screwbox

ScrewBox is a minimalist pure Java game engine. If you want to start building your own 2D game without leaving your cozy IDE it might be a fun choice.

2d game game-development game-engine gamedev java

Last synced: 26 Apr 2026

https://github.com/tarantool/cartridge-springdata

Spring Data Tarantool

java spring tarantool

Last synced: 14 Apr 2025

https://github.com/Shoebill/shoebill-api

Shoebill-api is one main part of the shoebill project.

gta gtasa java java-8 multiplayer samp shoebill

Last synced: 28 Sep 2025

https://github.com/minimallycorrect/mixin

Applies Mixin-style monkey patches to .java source or compiled .class files. Lightweight

aspect-oriented-programming bytecode-manipulation java mixin

Last synced: 09 Mar 2026

https://github.com/ralscha/mycustomer

Ext JS 6 sample application with Spring Framework, Spring Boot, JPA

demo extjs extjs6 java javascript

Last synced: 10 Aug 2025

https://github.com/franmc01/jetbrains-moonlight-theme

🌚 Dark theme for JetBrains IDEs (IntelliJ IDEA, PyCharm, RubyMine, PhpStorm, WebStorm, etc)

gradle java jetbrains-plugin jetbrains-theme moonlight

Last synced: 01 Aug 2025

https://github.com/swifdroid/jni-kit

📦 The best JNI wrapper ever made

java jni swift wrapper

Last synced: 13 May 2026

https://github.com/ansforge/annuaire-sante-fhir-documentation

IRIS-DP en FHIR, le nouveau service de publication développé et maintenu par l’Agence du Numérique en Santé (ANS).

angularjs apim-portal fhir graviteeio hapi-fhir hl7-fhir java js json puppet spring-boot springcloud springcloudgateway

Last synced: 24 Oct 2025

https://github.com/jgperrin/net.jgp.books.spark.ch09

Spark in Action, 2e - chapter 9 - Advanced ingestion: finding data sources and building your own

apache-spark ingestion java java8 manning spark sparkwithjava

Last synced: 04 Mar 2026

https://github.com/apache/uima-ruta

Apache UIMA Ruta

apache java ruta text-analysis uima

Last synced: 19 Oct 2025

https://github.com/apache/tomcat-training

Apache Tomcat Training Material

http java javaee network-server tomcat

Last synced: 19 Oct 2025

https://github.com/chrimaeon/gradle-licenses-plugin

This Gradle plugin provides tasks to generate a HTML / XML / Json file with the licenses used from the libraries.

android gradle gradle-plugin gradle-task java kotlin license license-management

Last synced: 15 Feb 2026

https://github.com/wpernath/quarkus-grumpycat

A simple fat-cat / packman like multi player game, with a logic server written in Java with Quarkus and a Engine written in JavaScript with the MelonJS game framework.

argocd game game-development gitops html5-canvas java javascript kubernetes melonjs openshift quarkusio tekton-pipelines

Last synced: 25 Feb 2026

https://github.com/stephengold/Wes

An animation editing and retargeting library for jMonkeyEngine (code has New BSD license)

animation java jme3 jmonkeyengine jmonkeyengine3 jvm-library library retargeting-animations skeleton-map

Last synced: 19 Mar 2026

https://github.com/almasb/fxgl-mavengradle

A template project for FXGL games using Maven and Gradle.

fxgl fxgl-games gradle java maven

Last synced: 26 Feb 2026

https://github.com/apache/opennlp-addons

Mirror of Apache OpenNLP Add-ons

java library opennlp

Last synced: 19 Oct 2025

https://github.com/jackhawks/dev-tools

开发者工具箱,分享一些日常开发的工具脚本。

bigdata devops java

Last synced: 28 Apr 2025

https://github.com/dsd-sztaki-hu/hasuraconf

Hasura Configuration JSON Generation Based on JPA and Hasura Specific Annotations

hasura hibernate java jpa kotlin spring

Last synced: 22 Jan 2026

https://github.com/wglanzer/swingexplorer-idea

Integrates SwingExplorer into newer versions of IntelliJ IDEA

explorer idea intellij java plugin swing swingexplorer swingexplorer-plugin

Last synced: 13 Jun 2025

https://github.com/yangfeng20/smart-config

Smart-Config 智能配置:单体应用下的动态配置;单机版Apollo

apollo config-center dynamic java

Last synced: 14 Jan 2026

https://github.com/martinpaljak/capfile

Small library for JavaCard CAP file parsing and verification - MOVED to https://github.com/martinpaljak/ant-javacard

capfile java javacard

Last synced: 14 Jan 2026

https://github.com/birchb1024/genyris

Genyris presents a new programming paradigm. Objects can belong to multiple classes independent from construction allowing data to be classified into types after creation.

functional-programming java lisp-interpreter scheme-interpreter semantic-web

Last synced: 06 Apr 2025

https://github.com/rattydave/docker-jupyterhub

Multi user Jupyterhub with C++, Java, Python, Tensorflow, Julia, SQL, NodeJS, Bash and more!

beakerx clojure groovy java jupyter-notebook jupyterhub machine-learning scala sql torch

Last synced: 14 Apr 2025

https://github.com/xvik/dropwizard-orient-server

Embedded OrientDB server for dropwizard

dropwizard java orientdb

Last synced: 13 Apr 2025

https://github.com/querystream/querystream

Build JPA Criteria queries using a Stream-like API

java jpa jpa-criteria-api persistence streams

Last synced: 26 Dec 2025

https://github.com/citymonstret/kvantum

An intellectual (HTTP/HTTPS) web server with support for server side templating (Crush, Apache Velocity and JTwig)

http http-server https https-server java ssl template-engine web-server webserver

Last synced: 21 Mar 2025

https://github.com/saqqdy/clipboard-parser

A tool to read the clipboard and parse out the table data. Support for parsing @RequestParam/@ApiModelProperty interfaces to define code, Word, Excel and other form-like data

api api-tool apimodelproperty clipboard-parser excel java java-parser java-tool parser requestparam web-table word

Last synced: 31 Aug 2025

https://github.com/bamless/chromium-swe-updater

Auto-updater for codeaurora's Chromium for Sanpdragon custom builds.

android chromium codeaurora-chromium java updater

Last synced: 07 May 2025

https://github.com/m-reza-rahman/azure-cafe

Java (EE) on Azure End-to-End Demo

azure cloud jakartaee java javaee kubernetes wildfly

Last synced: 08 May 2025

https://github.com/snowdrop/java-buildpack-client

A java buildpack (https://buildpacks.io/) platform implementation

buildpack buildpacks hacktoberfest java library paketo

Last synced: 12 Apr 2025

https://github.com/fajran/protoc-gen-twirp_java_jaxrs

Twirp generator for Java/JAX-RS Client and Server

java jax-rs protobuf twirp

Last synced: 04 May 2025

https://github.com/renfei/discuz-ucenter-api-for-java

最完美的Discuz UCenter的JAVA API接口,简单易用,完全免费!

api bbs comsenz discuz java sso ucenter uhome

Last synced: 20 Aug 2025

https://github.com/ahmetfurkandemir/neu-java-oop

Necmettin Erbakan University - Object Oriented Programming (Java)

java object-oriented-programming oop

Last synced: 15 Apr 2025

https://github.com/forax/mjolnir

Thor Hammer and a way to express invokedynamic in Java

bytecode-rewriter invokedynamic java jvm-languages mjolnir

Last synced: 27 Dec 2025

https://github.com/kerosene-labs/kindling

The fuel that'll ignite your application. A programmable TLS HTTP/1.1 server with no dependencies.

framework java lightweight ssl tls web-server

Last synced: 15 Apr 2025

https://github.com/samie/vaadin-confirmdialog

ConfirmDialog Add-on for the Vaadin 6, 7, 8, and 14

apache-license-2 java vaadin

Last synced: 15 Apr 2025

https://github.com/benpollarduk/ktvn

A Kotlin library that provides a framework for writing visual novels for JVM. At its core Ktvn provides a flexible and extensible DSL for structuring and writing visual novels and interactive stories.

domain-specific-language dsl engine framework game game-engine interactive interactive-story java kotlin novel story visual visual-novel

Last synced: 15 Apr 2025

https://github.com/vatsalkesarwani12/firebaseauth

FireBase Auth app built to authenticate user via firebase using Email Id , Phone Number , Google , Facebook , Yahoo , Twitter , Github , also Anonymous Sign In .

android anonymous email facebook firebase firebase-auth firebaseauth github google java phone phone-number twitter yahoo

Last synced: 23 Mar 2025

https://github.com/foo4u/conventional-commits-for-java

Conventional commits plugins for Java build systems. Maven only for now.

conventional-commits java maven maven-plugin

Last synced: 24 Apr 2025

https://github.com/shalithasuranga/simpler

Very simple language implemented using antlr for beginners

anltr compiler-design java lexer parsing programming-language simple-lang

Last synced: 15 Oct 2025

https://github.com/minhaskamal/alphabetrecognizer

Simple Optical Character Recognizer (english-ocr-image-to-text-recognition-sample-trainig-alphabet-photo-data-database-dataset)

alphabet-recognizer data database english image-processing java machine-learning ocr sample template-matching text-recognition training-data writing

Last synced: 11 Apr 2025

https://github.com/pacifiquem/libra

♎Library Management Information System ♎.

hibernate java maven sql

Last synced: 07 May 2025

https://github.com/jakewins/jaa

Actionable memory analysis for JVM languages

java jvm jvm-performance kotlin openjdk scala

Last synced: 10 Apr 2025

https://github.com/gradlex-org/java-module-testing

Gradle plugin to turn JVM Test Suites into Blackbox or Whitebox Test Suite for Java Modules

gradle-plugin java java-modules jpms testing

Last synced: 10 Apr 2025

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

Get the ability to run and develop Kotlin plugins on your Minecraft server or proxy

java kotlin minecraft minecraft-plugin paper-plugin spigot sponge-plugin velocity-plugin

Last synced: 29 Dec 2025

https://github.com/nomemory/neat-sample-databases-generators

Neat java scripts (!not javascript) to generate arbitrary data for various sample databases (hr schema, classicmodels, etc.)

classicmodels java jbang mariadb mockneat mysql postgresql sample-databases sample-schemas sql

Last synced: 26 Mar 2025

https://github.com/kavithma-thushal/computershop-management-system-1st-sem-final

Developed this Standalone Application as the first semester's final project for the Graduate Diploma in Software Engineering at the Institute of Software Engineering

final-project java javafx mysql

Last synced: 11 Jul 2025

https://github.com/rafaelfgx/java

Java, Spring Boot, Docker, Testcontainers, PostgreSQL, MongoDB, Kafka, LocalStack, AWS (SQS, S3), JWT, Swagger, Patterns (Mediator, Observer, Outbox, Strategy).

java java-24 java-api java-spring-boot java-springboot java24 kafka localstack mongodb patterns postgres postgresql s3 spring spring-boot springboot sqs testcontainers

Last synced: 05 May 2025

https://github.com/bertrandmartel/sim-password-wallet

Android application interacting with a JavaCard applet installed on SIM card

android java javacard smartcard

Last synced: 07 May 2025

https://github.com/selimhorri/jhipster-architectural-comparison

Initialization of a JHipster project - Monolithic vs Microservice Application

angular h2 java jhipster liquibase mysql service-worker spring-aop spring-data-jpa spring-security typescript webpack

Last synced: 12 Apr 2025

https://github.com/ivangfr/https-springboot-react

The goal of this project is to play with HTTPS and enable it in Spring Boot applications. For it, we will implement a Spring Boot Rest API that will have its endpoints ready to accept and server over HTTPS. Furthermore, a Spring Boot Shell Java application and a Frontend React application will be implemented to consume movies-api.

h2 https java javascript keytool pkcs12 react semantic-ui-react spring-boot spring-data-jpa spring-shell spring-web-mvc springdoc-openapi

Last synced: 10 Apr 2025

https://github.com/avniproject/avni-server

Backend APIs for Avni

java postgresql spring-boot

Last synced: 17 Jan 2026

https://github.com/minnukota381/calculator-android-studio

A Simple Calculator design using Android Studio

android android-studio java

Last synced: 12 Jul 2025

https://github.com/jgettext/gettext-commons

Internationalization (i18n) through GNU gettext and Java ResourceBundles

gettext-library i18n java maven

Last synced: 16 Sep 2025

https://github.com/noleme/noleme-flow

A library enabling DAG structuring of data processing programs such as ETLs

dag dataflow etl-pipeline java workflow workflow-engine

Last synced: 12 Jan 2026

https://github.com/julianmendez/cel

A lightweight Description Logic reasoner for large-scale biomedical ontologies

automated-reasoning java lisp owl-api protege-plugin tu-dresden

Last synced: 09 Mar 2026