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/payne911/arise_deeper

[PoC] Top-down 2D roguelike game, developed using the libGDX framework.

game java libgdx roguelike roguelike-game

Last synced: 22 Apr 2025

https://github.com/sasmithx/chat_application_socket_progrmming

This project is a simple chat application built using Java Socket programming. It features a client-server architecture, enabling real-time text and image communication between multiple clients. The application also includes an emoji picker, allowing users to send emojis in their chat messages.

client-server css fxml intellij-idea java javafx maven sdk web-socket

Last synced: 25 Jul 2025

https://github.com/viascom/hipchat-api

Java implementation for the HipChat V2 API.

atlassian hipchat hipchat-api java maven pom

Last synced: 14 Jan 2026

https://github.com/malekkamel/actionsheet

ActionSheet is an Android clone of iOS action sheet component, completely typical to iOS7 style.

actionsheet android bottomsheet ios ios7 java jitpack kotlin mobile os programming sheet

Last synced: 22 Apr 2025

https://github.com/gredler/aegis4j

A Java agent that disables platform features you don't use, before an attacker uses them against you.

devsecops java java-agent security

Last synced: 14 Jan 2026

https://github.com/sameetasadullah/bisto-chat-java-php

An Android Chatting Application coded in Java language using Android Studio. Backend is implemented in PHP Language i.e, APIs. Users can send messages, delete messages, edit messages, send images, and set their profile pictures

android-studio apache api chatting-app java java-android java-android-application java-android-studio-project mysql php xampp

Last synced: 10 Jul 2025

https://github.com/nikialeksey/nullfree

Nullfree will fail your build if your project has a null.

gradle-plugin java java8 null null-safety nullfree nullpointerexception oop

Last synced: 14 Apr 2025

https://github.com/java-operator-sdk/jenvtest

Kubernetes Integration Test Support for Java. Moved to fabric8 client: https://github.com/fabric8io/kubernetes-client/blob/main/doc/kube-api-test.md

java kubernetes

Last synced: 14 Jan 2026

https://github.com/carlosbritojun/jflunt

Java implementation of Domain Notification Pattern based in Flunt (.NET) developed by @andrebaltieri

ddd domain domain-driven-design java oop

Last synced: 14 Jan 2026

https://github.com/taki0112/word2vecjava

Word2Vec In Java (2013 google word2vec opensource)

java word2vec

Last synced: 09 Apr 2025

https://github.com/twogg-git/docker-compose-java

A bit more complex docker-compose example with Java, Tomcat, PostgreSQL and a SMTP.

docker-compose java postgres rest smtp smtp-server tomcat

Last synced: 04 Sep 2025

https://github.com/holon-platform/platform

The Holon Platform is a Java development ecosystem to create and maintain high quality, enteprise-grade web applications and services. Get started using the platform BOM.

framework full-stack holon holon-platform java java-8 java-api platform platform-architecture platform-bom web-application web-application-framework web-framework web-platform

Last synced: 23 Apr 2025

https://github.com/Deftu/Gradle-Toolkit

Suite of Gradle tools made to make Minecraft modding more painless.

fabricmc gradle gradle-kotlin-dsl gradle-plugin java minecraft minecraft-mod mod

Last synced: 21 Aug 2025

https://github.com/javiorfo/nvim-fuel

Neovim plugin written in Lua for running a main or script in several languages

assembly cpp go haskell java kotlin lua main neovim neovim-plugin python rust scala scheme zig

Last synced: 05 May 2025

https://github.com/apache/solr-sandbox

Apache Solr open-source search software plugin modules sandbox

backend information-retrieval java lucene nosql search search-engine solr

Last synced: 10 Mar 2026

https://github.com/mickaelbaron/microservices-docker-java-tutorial

L'objectif de cette série d'exercices est d'apprendre à construire une application en respectant une architecture à base de microservices en se focalisant sur le langage Java.

architectures-microservices docker docker-compose java microprofile microservice microservices

Last synced: 03 Oct 2025

https://github.com/randgalt/expressive-java

Example of matching Scala's case class expressiveness in Java 8, Java 15 and Java 17

java java-15 java-17 java-8 java-records scala

Last synced: 22 Jun 2025

https://github.com/nicennnnnnnlee/ninjav4

我的百宝箱 - 微信计步作弊/远程监控家里WiFi/录制直播/QQ复读机器人/斗鱼日常养粉丝牌

dalvik java

Last synced: 29 Aug 2025

https://github.com/tomson124/simplyjetpacks-2

Redstone Flux jetpacks, Fluxpacks and more

java jetpack minecraft minecraft-forge-mod redstone-flux

Last synced: 30 Sep 2025

https://github.com/darekkay/what-the-commit

What The Commit - Plugin for IntelliJ IDEA

intellij java

Last synced: 19 Mar 2025

https://github.com/stephenott/taxii-springboot-bpmn

SpringBoot implementation of TAXII server backed with BPMN configuration

bpmn camunda java springboot taxii taxii-server

Last synced: 17 Mar 2025

https://github.com/marwa-eltayeb/medicinesinventory_v2

Building out the app UI for users to add, update and remove inventory.

alertdialogbox android-application cursor java sqlite-database

Last synced: 13 Apr 2025

https://github.com/innogames/flink-real-time-crm

Demo Flink and Kafka project to show how to react on tracking events in real-time and trigger offer for customer engagement based on campaign configurations. The project also utilizes the Broadcast State Pattern in order to update the rules (campaigns) at runtime without restarting the project, using a dedicated, low-frequency, Kafka topic.

apacheflink apachekafka flink flink-examples flink-stream-processing flink-streaming java kafka stream-processing

Last synced: 18 Jun 2025

https://github.com/ramanpreet6262/trackerrr

A Vehicle Location Tracking System.

android arduino gps-module gsm-module java

Last synced: 06 Apr 2026

https://github.com/hardiksinghbehl/quartz-scheduler-daily-mail-subscription-spring-boot

Daily mail subscription implementation using Java Spring-boot and Quartz Scheduler

java java-mail mail-subscriber quartz-scheduler spring-boot

Last synced: 29 Oct 2025

https://github.com/yegor256/fibonacci

Fibonacci algorithm implemented in a few compilable languages in different programming flavors

cpp csharp eiffel fibonacci golang haskell java lisp object-oriented-programming oop performance-testing

Last synced: 27 Mar 2025

https://github.com/anubhavshukla/properties-to-yaml-converter

Java implementation to convert Properties files to Yaml

converter java java-8 java-library properties yaml

Last synced: 10 Apr 2025

https://github.com/casid/mazebert-simulation

Simulation core of the game Mazebert TD

deterministic java simulation tower-defense

Last synced: 18 Mar 2025

https://github.com/ozkanpakdil/test-microservice-frameworks

testing spring-boot quarkus and micronaut for jar size and response time for a simple controller, rust and dotnet and golang

actix axum dotnet eclipse-microprofile graalvm helidon java micronaut native-apps quarkus rust vertx warp

Last synced: 01 May 2026

https://github.com/han-yaeger/yaeger

Yaeger is Another Education Game Engine Runtime

2d-game-engine clean-code engine framework game guice java java-14 javafx oop-principles

Last synced: 26 Oct 2025

https://github.com/saivittalb/covsense

🦠 An Android based contact tracing app which enables people to self-isolate if they have been in close proximity to someone tested positive for COVID-19.

android contact-tracing covid-19 firebase google-api health-status java nearby

Last synced: 08 Feb 2026

https://github.com/silentrald/java-gui-mvc

Basic MVC(Model-View-Controller) in Java using Java swing

java mvc swing-gui

Last synced: 05 Mar 2026

https://github.com/jerolba/bikey

Low memory footprint Map and Set implementation on objects with composited keys

bikey collections java map set table

Last synced: 12 Feb 2026

https://github.com/anatomiakodu/java-od-zera

Nauka języka Java od kompletnych podstaw! Nie musisz umieć niczego by zacząć. W tym projekcie wyłumaczę Ci dokładnie podstawową składnię Javy. Poruszymy takie tematy jak: kolekcje, warunki logiczne, operacje na tekście, wyjątki i wiele innych!

git intellij-idea java nauka podstawy podstawyprogramowania

Last synced: 23 Oct 2025

https://github.com/holon-platform/holon-core

Holon Platform Core module: represents the platform foundation, providing the definition of the overall architecture, base structures and APIs.

authentication authentication-backend authorization bom context core datastore holon holon-platform http java maven-bom properties rest spring spring-boot spring-security web-application web-framework

Last synced: 28 Oct 2025

https://github.com/hamzayasin1/hr-management-system-in-java-using-swing-framework

I've Develop this HR Management System in Java swing framework for learning purpose using MySql Database.

hr-management-system hr-manager java mysql-database swing-framework

Last synced: 04 Mar 2026

https://github.com/kiwiproject/consul-client

A Consul Client for Java

client consul java

Last synced: 08 Mar 2026

https://github.com/googlecloudplatform/alloydb-java-connector

A Java library for connecting securely to your AlloyDB instances.

alloydb java socket-factory

Last synced: 20 Oct 2025

https://github.com/textkernel/tx-java

The official Java SDK for the Textkernel Tx v10 API. Includes a resume parser (CV parser), job parser, resume search engine, and resume matching engine.

cv cv-parser cv-parsing java job job-parser job-parsing matching parse-resume parser parsing resume resume-parser resume-parsing sdk searching textkernel tx

Last synced: 24 Feb 2026

https://github.com/growthbook/growthbook-sdk-java

The Java SDK for GrowthBook (JVM, Android)

ab-testing feature-flags java sdk

Last synced: 29 Jan 2026

https://github.com/ita-social-projects/dokazovi-be

The platform for verified medical speakers and their recommendations.

backend disease-detection evidence-based-medicine java medicine

Last synced: 04 Apr 2026

https://github.com/open-coap/kotlin-mbedtls

Kotlin wrapper of mbedtls also for java

cid dtls dtls12 iot java jvm kotlin mbedtls netty

Last synced: 06 Mar 2026

https://github.com/danny02/graalvm-docker

Simple Docker Image for trying out GraalVM

docker-image graalvm java

Last synced: 24 Apr 2025

https://github.com/vudangngoc/janus-java-client

A Java library of Janus WebRTC Server

java webrtc webrtc-demos webrtc-signaling

Last synced: 11 Mar 2026

https://github.com/turbolent/lila

Lila is a dynamic language running on the JVM with efficient multiple and predicate method dispatch

dispatch dynamic-languages java jruby jvm lila multiple-dispatch multiple-inheritance predicate-dispatch thesis

Last synced: 23 Apr 2025

https://github.com/jackblackevo/cors-jsonp-sample

Client-Side & Server-Side (Java) sample for Cross-Origin Resource Sharing (CORS).

ajax cors cross-origin-resource-sharing java javascript jsonp

Last synced: 09 Apr 2025

https://github.com/geningxiang/javadoc-help

JavaDoc工具 解析Java源码注释,生成api文档、接口文档

apidoc doc java javadoc swagger

Last synced: 14 Jan 2026

https://github.com/sondosaabed/palestine-map

Palestine Map using classic Dijkstra shortest path algorithm for maps. Java | JavaFX

dijkstra-shortest-path graph java map palestine

Last synced: 22 Apr 2025

https://github.com/bzdgn/apache-fop-example

Basic apache fop example to generate PDF file

apache-fop fop java pdf

Last synced: 11 Apr 2025

https://github.com/sebasbaumh/mapbox-vector-tile-java

Java Mapbox Vector Tile Library for Encoding/Decoding

java jdk21 jts mapbox mapbox-vector-tile vector-tiles

Last synced: 14 Jan 2026

https://github.com/qs-lll/android-ipfs-api

A Android implementation of the HTTP IPFS API

android api ipfs java local node

Last synced: 13 Apr 2025

https://github.com/speedment/speedment-code-samples

Code samples for the Speedment ORM

database examples in-memory java orm speedment sql

Last synced: 29 Jun 2025

https://github.com/line/clova-cek-sdk-java

SDK of the Clova CEK for Java

cek-sdk clova clova-extensions-kit java line

Last synced: 14 Jan 2026

https://github.com/han1396735592/common-rxtx

简单 串口操作、串口通信

java rxtx rxtxcomm serialport

Last synced: 28 Feb 2025

https://github.com/acexy/java-toolkit

【Released】🛠Java常用的插件API整理以及基于JDK的一些方法封装库,能在不依赖大型框架下快速进行开发(亦可快速用于测试或者脚本类代码编写 - 含数据库相关)。

api java mongo mybatis plugins redis toolkit

Last synced: 29 Jul 2025

https://github.com/saiupadhyayula/learnspringframework

This repository contains source code of the Youtube course LearnSpringFramework

java spring spring-core

Last synced: 25 Jul 2025

https://github.com/gantsign/maven-parent-poms

Parent Maven POMs with best practice configuration

java kotlin maven

Last synced: 06 Apr 2025

https://github.com/hoangsonww/guillotine-game

⚔️ This repository contains the "Guillotine Game," a strategy game coded in Java and JavaFX. It involves players making tactical decisions to avoid the guillotine and survive as long as possible. The game demonstrates the use of JavaFX for creating visually appealing and interactive GUIs.

game game-development gamedev gui gui-application gui-application-java guillotine guillotine-game guillotinemenu java javafx

Last synced: 22 Sep 2025

https://github.com/kakarottocui/springbootvuesecondshop

基于java SpringBoot和Vue校园二手交易商城

java mysql springboot vue

Last synced: 28 Jul 2025

https://github.com/faritor/unmz-common-util

常用的Java工具类

common date devtools html image java json md5 util

Last synced: 12 Jan 2026

https://github.com/mytlx/snl_compiler

SNL Compiler 词法分析,语法分析

java jlu snl snl-compiler

Last synced: 17 Sep 2025

https://github.com/somecho/utility-scripts

A collection of helper scripts for Clojure, Java, Ledger and Taskwarrior. Written in Clojure.

babashka clojure deps-edn java ledger-cli ripgrep taskwarrior

Last synced: 09 Aug 2025

https://github.com/sosy-lab/java-common-lib

SoSy-Lab Java Common Library

java

Last synced: 12 Jan 2026

https://github.com/preemptive/r8-docs

The Unofficial Documentation for R8

android dasho java kotlin obfuscation proguard r8

Last synced: 28 Jan 2026

https://github.com/nameisjayant/android-java-mvvm-with-roomdatabase-retrofit-and-recyclerview

we are going to build a simple project with the help of Room Database , ViewModal , LiveData and Retrofit. So, What is the agenda of this project? First we will send a retrofit request to the web server for json data, then after fetching json data from the server , we will store that data into Room Database and then shows into the recyclerview. Alright!

android androidstudio api java retrofit roomdatabase

Last synced: 04 Jul 2025

https://github.com/uportal-project/calendarportlet

JSR-168 portlet implementing calendar viewing in uPortal.

hacktoberfest java portal portlet uportal uportal-start-bundled

Last synced: 03 May 2026

https://github.com/ardesco/appium-maven-template

A Maven template for Appium

appium java maven template

Last synced: 06 Oct 2025

https://github.com/prat-man/unique4j

Java library to allow only single instance of a java application to run and enable communication between first instance and subsequent instances

java lock single-instance single-instance-app socket sockets

Last synced: 10 Apr 2025

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

HMS search kit demo provides an example of integrating HUAWEI Search Kit with an app.This topic uses the search home page and search content details page as examples to describe how to use Search Kit functions and display data returned by interfaces.

android custom-search hms huawei java search searchkit spell-check

Last synced: 13 Oct 2025

https://github.com/clxering/technical-articles-collection

日常收集的技术文章(中文、中英对照)

articles back-end chinese-english-bilingual front-end full-stack java javascript

Last synced: 10 Apr 2025

https://github.com/mweirauch/metrics-jvm-extras

A set of additional metrics complementing Dropwizards metrics-jvm.

dropwizard java jvm metrics

Last synced: 10 Apr 2025

https://github.com/ralscha/extclassgenerator

Ext JS code generator. Creating model js classes from java classes

annotation-processor extjs java

Last synced: 14 Jun 2025

https://github.com/vorlonsoft/easydokkaplugin

Gradle Script plugin to generate documentation by Dokka documentation engine in Javadoc or other formats for Java, Kotlin, Android and non-Android projects. It's very easy, you don't need to add to dependencies section additional classpath or think about compatibility issues, you don't need additional repositories also.

android dokka gradle gradle-android-plugin gradle-plugin gradle-task java javadoc javadoc-documentation javadocs kotlin

Last synced: 23 Apr 2025

https://github.com/sxtanna/korm

Kotlin Object-Relational Mapping

deserialization java korm kotlin language orm serialization

Last synced: 16 Mar 2025

https://github.com/uPortal-Project/CalendarPortlet

JSR-168 portlet implementing calendar viewing in uPortal.

hacktoberfest java portal portlet uportal uportal-start-bundled

Last synced: 11 Mar 2025

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

Mirror of Apache Geronimo txmanager

geronimo http java javaee network-server web-framework

Last synced: 10 Apr 2025

https://github.com/prasoonsoni/wss-wannasaysomething

It’s a fresh take on anonymity. We believe anonymity should be a fun yet safe place to express your feelings and opinions without shame. Young people don’t have a space to share their feelings without judgement from friends or societal pressures. WSS provides this safe space for teens.

android-studio anonymous-message application expressjs java javascript mongodb nodejs portfolio reactjs website

Last synced: 13 Apr 2025

https://github.com/jrvlt/jrv

The first Java client library for interacting with the Revolt chat platform.

java java-revolt-bridge revolt

Last synced: 05 May 2025

https://github.com/goodforgod/dummymaker

🧰 Generates random Java Classes/Records for you.

bean data dto dummy easy-random entities export factory fill generate java pojo random random-generation record

Last synced: 20 Mar 2025

https://github.com/codeclou/java-junit-xml-merger

Merges multiple JUnit XML files into a single testsuites XML file.

java junit junit-format junit-report junit-xml merger

Last synced: 29 Aug 2025

https://github.com/brake/milenage

Java implementation of 3GPP™ TS 35.206 Milenage algorithm

3gpp algorithm calculations java javadoc telecom

Last synced: 24 Jun 2025

https://github.com/oldratlee/java-compiler-demo

Demo project of creating dynamic applications with javax.tools.JavaCompiler

classloader compiler dynamic-app dynamic-compiler java

Last synced: 21 Mar 2025