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/sebmilardo/errorlevelanalysis

Error Level Analysis (ELA) in ImageJ

image-processing imagej-plugins java

Last synced: 14 Jul 2025

https://github.com/eleev/jtoolkit

☕️ Collection of various utilities, classes and shaders for Java + OpenGL + GLSL development.

glsl glsl-shaders java lighting lighting-effects lwjgl opengl opengl-shaders shader-effects shaders shading

Last synced: 12 May 2025

https://github.com/fikr4n/iclib-java

Islamic Calculation Library (ICLib) contains calculations for prayer (salat) times, qibla direction, and Hijri conversion

hijri islam java prayer qibla salat

Last synced: 13 Apr 2025

https://github.com/ntthanh2603/game-bomberman

🎯 Project game Bomberman use Java 🎯

java javafx oop

Last synced: 17 Jul 2025

https://github.com/apache/tomee-tck

Apache TomEE TCK Setup

java network-server tomee

Last synced: 07 Mar 2026

https://github.com/apache/sling-org-apache-sling-testing-clients

Apache Sling Testing Clients

java sling

Last synced: 08 May 2025

https://github.com/linyuanbaobao/http-proxy-servlet

HTTP、HTTPS 请求代理 Servlet

http-proxy-servlet java proxy

Last synced: 30 Oct 2025

https://github.com/clnnn/chat-summarizer

💬 Real-time chat application prototype that can summarise the entire chat log

angular flask huggingface-transformer java ngrx nlp python websocket

Last synced: 27 Mar 2025

https://github.com/anshumansinha3301/java-pattern-printing

Different pattern printing in java language

dsa-algorithm java patterns

Last synced: 07 Oct 2025

https://github.com/felipewind/poc-quarkus-multiple-datasources

Poc using multiple data sources with Quarkus

hibernate hibernate-orm java quarkus

Last synced: 16 Apr 2025

https://github.com/apache/sling-org-apache-sling-pipes

Apache Sling Pipes

java sling

Last synced: 24 Mar 2025

https://github.com/rapter1990/springbatchprocessdbtocsv

Spring Boot Batch Processing Database to CSV

csv h2-database java spring-batch spring-batch-jobs spring-boot

Last synced: 16 May 2025

https://github.com/casdoor/casdoor-spring-boot-example

Spring Boot example app for Casdoor based on casdoor-spring-boot-starter

auth authn casdoor iam java oauth2 spring spring-boot sso

Last synced: 10 Apr 2025

https://github.com/r-koubou/kspsyntaxparser

Compiler program for KONTAKT Script Processor (KSP)

compiler computer-music java javacc kontakt kotlin ksp parser

Last synced: 19 Jun 2025

https://github.com/ruanwenjun/crawl-demo

一个简单的JAVA爬虫项目,爬取微博热搜,百度等网页的热搜词

crawler java

Last synced: 15 Apr 2025

https://github.com/pprattis/recommendation-system-for-android-java-app-that-finds-an-ideal-destination-with-the-knn-algorithm

This project is an Android mobile application, written in Java programming language and implements a Recommender System using the k-Nearest Neighbors Algorithm. In this way the algorithm predicts the possible ratings of the users according to scores that have already been submitted to the system.

algorithms android android-app android-application collaborative-filtering firebase firebase-realtime-database java k-fold-cross-validation k-nearest-neighbors machine-learning metrics recommendation-system recommender-system

Last synced: 30 Oct 2025

https://github.com/riccardobl/jme-igui

A minimalistic immediate gui for jmonkeyengine

gui imediate java jmonkeyengine ui

Last synced: 07 May 2025

https://github.com/drkostas/quantum-mechanics-quiz-app

Android app with 10 questions about Quantum Mechanics.

android-development java xml

Last synced: 25 Apr 2025

https://github.com/moxwel/basics

Tutorials for various programming languages and example codes.

basics c collaborate communityexchange english example github java latex learn php python spanish tex tutorial vscode

Last synced: 23 Mar 2025

https://github.com/nilshartmann/spring-graphql-talk

Example application for "graphql java" and "Spring for GraphQL" talks and live coding sessions

graphql java spring-graphql

Last synced: 22 Apr 2025

https://github.com/brucewind/juao

🚄 fast cache much more than JVM heap memory in Android.(在安卓上利用更多的物理RAM,快速地存取巨量的Java对象)

android bitmap bitmap-cache cache-storage java memory-cache memory-hacking

Last synced: 23 Jun 2025

https://github.com/eugenia1984/mastercompletoenjava

Curso de Udemy: Máster Completo en Java de cero a experto 2023 (+127 hrs) - Andrés José Guzmán

java

Last synced: 24 Apr 2025

https://github.com/lengpucheng/bilibiliclient

Bilibili Java API 接口包,在无需认证登录模式下获取哔哩哔哩相关信息

api-client bilibili client httpclient java netty

Last synced: 02 Mar 2025

https://github.com/elebras1/flecs-java

Java wrapper for Flecs using FFM

ecs ffm-api flecs foreign-function-and-memory-api gamedev java

Last synced: 23 May 2026

https://github.com/camerakit/camerakit-examples

Example code for various CameraKit implementations and versions

android android-development android-library examples java java-library

Last synced: 23 Apr 2025

https://github.com/algaworks/videoaula-pequena-api-restful-contatos-com-spring-mvc

Videoaula gravada para o blog e canal no YouTube como criar uma API RESTful com Spring MVC

algaworks api java rest restful-api spring spring-mvc videoaula

Last synced: 14 Apr 2025

https://github.com/cskefu/cskefu-djt

:wink: 春松客服大讲堂,面向开发者、软件工程师及运维人员的在线课程,基于春松客服定制客服系统

cskefu elasticsearch java mysql redis spring-boot

Last synced: 13 Apr 2025

https://github.com/ovirt/vdsm-jsonrpc-java

JSON RPC Java client for oVirt

java jsonrpc ovirt

Last synced: 15 May 2025

https://github.com/bocaletto-luca/multilanguage-test-example

Multilanguage Test Examples Welcome to the Multilanguage Test Examples repository! This project contains simple, self-contained examples of programming fundamentals implemented in various programming languages. Each example demonstrates basic constructs—including output, variable declarations, conditionals, loops, and functions/methods with clear..

bocaletto-luca c cpp csharp css3 fsharp go haskell html5 java javascript kotlin python ruby rust scala swift swift5 typescript

Last synced: 01 Apr 2026

https://github.com/stklcode/jvaultconnector

Java Vault Connector - Connect Hashicorp's Vault with your Java application.

connector java secret vault

Last synced: 09 Jul 2025

https://github.com/sitcommunity/nekoui-download

NekoUI: Java Edition Introduces Custom User Interface (CUI), Blue Archive Background in Minecraft: Java Edition

bluearchive config fabric forge gradle java menu minecraft minecraft-menu minecraft-mod mods nekoui screen

Last synced: 12 Apr 2025

https://github.com/jabrena/101-ddd

A talk about Strategic DDD.

ddd domain-driven-design java

Last synced: 18 Mar 2025

https://github.com/sj14/calculon

🧮 A basic, open-source, cross-platform, and note-style calculator.

calculator java swing

Last synced: 27 Mar 2025

https://github.com/hashimsaffarini/datastructure

These Java files contain implementations of essential data structures such as AVLTree, BST, CircularQueue, DataStructureClasses, MyArrayList, MyHashMap, MyLinkedList, MyQueue, and MyStack. Each file showcases the functionality and usage of its corresponding data structure, providing versatile solutions for data organization and manipulation.

classes data-structures implementation java

Last synced: 05 May 2025

https://github.com/qainsights/performance-engineering-series

This video series aims to explain various performance issues such as memory, cpu, threads etc and how to identify them by simulating using the BuggyApp.

eclipse java load-testing loadtesting mat memory performance performance-engineering testing

Last synced: 05 May 2025

https://github.com/phanikmr/racepad

This Android App is used as a gamepad/joystick for Windows PC games or Windows 8 games with your Android Mobile/Tablet using Bluetooth or WiFi wireless connection.This application provides you to save keyboard button mappings and send its corresponding virtual code to simulate/mimic the keyboard clicks and also provides to use your mobiles Accelerometer to steer in game which will give you best racing game experience and you can also save your game profiles remotely in from your server application and save your button mappings from keyboard . This provides all basic keyboard buttons / shortcuts which will allow you to operate your PC remotely in your Bluetooth or WiFi range.

android-application bluetooth client gamepad-controls java socket-programming

Last synced: 12 Apr 2025

https://github.com/burnett01/kotlin-expression-builder

A regular expression (REGEX) class and builder (DSL), written in Kotlin.

builder dsl expression expressions java jvm kotlin package regex regular-expression

Last synced: 14 Oct 2025

https://github.com/esri/java-gradle-starter-project

Starter project for the ArcGIS Maps SDK for Java with Gradle

arcgis-maps-sdk arcgis-maps-sdk-for-java gradle java javafx native-development

Last synced: 17 Jun 2025

https://github.com/fuma-nama/jdak

A Light-Weight, Fast, Flexible Command framework for JDA written in Kotlin

discord java jda jda-command jda-command-handler jda-discord jda-framework kotlin

Last synced: 07 May 2025

https://github.com/bvolpato/taskerbox

🎩 Java lightweight automation engine

integration java java-automation-engine maven polling slack

Last synced: 11 Apr 2025

https://github.com/apache/maven-filtering

Apache Maven Filtering

build-management java maven maven-shared

Last synced: 13 Apr 2025

https://github.com/chakib-belgaid/jreferral

An open-source tool that recommends the most energy efficient JVM configuration for java software

benchmark energy energy-consumption energy-efficiency java jvm optimization

Last synced: 08 Jul 2025

https://github.com/alexcheng1982/jdk-loom-faq

JDK Project Loom FAQ and Example Code

java jdk loom

Last synced: 03 Mar 2026

https://github.com/nielsbasjes/prefixmap

A Map type data structure intended to store prefixes instead of keys.

datastructures java prefixmap

Last synced: 12 Apr 2025

https://github.com/enginkaratas/java-camp-humanresources-management

improve OOP skills to advance.

java spring-boot

Last synced: 08 Sep 2025

https://github.com/apache/sling-org-apache-sling-i18n

Apache Sling I18N Support

java sling

Last synced: 10 Apr 2025

https://github.com/andrehrferreira/bench-ws

Websocket performance testing in different languages

bun cpp csharp dart deno elixir erlang go java node php python ruby rust swoole uwebsocket websocket zig

Last synced: 12 Apr 2025

https://github.com/piyushxcoder/google-drive-resumableupload

A helpful java library/class for uploading large files in chunks on google drive.

drive-api google-drive java multipart

Last synced: 11 Apr 2025

https://github.com/skyjay1/greekfantasy

Minecraft Forge mod that adds Greek-inspired creatures and items

forge hacktoberfest java minecraft minecraft-mod

Last synced: 19 Mar 2025

https://github.com/nxvvvv/mc-server-gui

Host your own Minecraft server with GUI!

java mc mc-server minecraft minecraft-server navaneeth server

Last synced: 18 Jul 2025

https://github.com/cryostatio/cryostat-core

Core library providing a convenience wrapper and headless stubs for managing JFR with JDK Mission Control API

cryostat flightrecorder hacktoberfest hacktoberfest2021 java jdk jfr jmx mission-control missioncontrol

Last synced: 10 Apr 2025

https://github.com/viniciusfinger/java-chat

A chat app for terminal using Java with communication between network sockets using the TCP protocol. 💬☕️

chat java network socket tcp-server thread

Last synced: 12 Apr 2025

https://github.com/hadii-tech/clarpse

A multi-language architectural code analysis library for building better software tools

java lightweight object-oriented parser polyglot

Last synced: 12 Apr 2025

https://github.com/sondosaabed/tic-tac-toe

Tic-Tac-Toe Two players game. Java | JavaFX

game java javafx-gui tic-tac-toe-game two-player

Last synced: 22 Apr 2025

https://github.com/me-moghadasian/kotlin-learners-package

This package offers a concise introduction to Kotlin (using JupyterLab), focusing only on the essential concepts and skills. It covers the fundamental topics necessary for understanding and practicing (or reviewing) Kotlin.

android async asynchronous channel concurrency concurrent coroutines flow java jupyter kotlin lambda oop sharedflow stateflow summary

Last synced: 09 Apr 2025

https://github.com/azure-javaee/weblogic-on-azure

How to deploy a Java application to Azure using WebLogic and virtual machines.

azure j2ee jakartaee java javaee weblogic

Last synced: 10 Oct 2025

https://github.com/khmarbaise/maven-deployer-extension

maven-deployer-extension

java maven maven-extension

Last synced: 12 Mar 2026

https://github.com/sverrenystad/besieged

Besieged! is a cooperative, real-time multiplayer tower defense Android game, where players defend their village against waves of mythological creatures by strategically combining "tower-cards" to build unique towers, earning money from each kill to acquire more cards.

android cross-platform java libgdx software-architecture tower-defense-game

Last synced: 10 Apr 2025

https://github.com/rabanti-github/nanoxlsx4j

NanoXLSX4j is a small Java library to create and read XLSX files (Microsoft Excel 2007 or newer) in an easy and native way. The library is originated form PicoXLSX4j and has basic support of reading spreadsheets

excel excelreader excelwriter java microsoft-office ooxml reader spreadsheet xlsx

Last synced: 10 Apr 2025

https://github.com/thorbenkuck/netcom2

NetCom2 is a highly modular Client-Server-Communication-Framework, in the style of an EventBus following the idea of "code less, do more".

client-server easy-to-use eventbus functional-programming gradle java java-8 maven modular network reactive serialization wiki

Last synced: 09 Oct 2025

https://github.com/apache/maven-doxia-sitetools

Apache Maven Doxia Sitetools

apache-maven build-management doxia java maven

Last synced: 19 Oct 2025

https://github.com/raynigon/unit-api

Raynigon Unit Api - JSR-385

java kotlin spring-boot unit-api

Last synced: 26 Apr 2025

https://github.com/anshumansinha3301/basic-banking-system

Basic Banking System using java

banking-system java

Last synced: 07 Oct 2025

https://github.com/fbricon/pde.source.lookup

Automatic Source Lookup for Eclipse plugin dependencies

eclipse eclipse-plugin java pde source-lookup

Last synced: 26 Apr 2025

https://github.com/chew/mlb-gamefeed-bot

Discord bot to show live game feeds and statistics of MLB games to a Discord channel. Used by over 1200 servers!

baseball bot discord java jda mlb sports

Last synced: 16 Mar 2025

https://github.com/codinasion/hello-world

"Hello World" in every programming language 🤗 Good collection of `good first issue`

c c-sharp cpp dart first-timers go good-first-issue hello-world java python python3 scala

Last synced: 05 Jul 2025

https://github.com/arun-gupta/vault-kubernetes

Application secrets using Kubernetes and Vault

docker java kubernetes secrets vault

Last synced: 29 Apr 2025

https://github.com/pisaiah/java2v

A Java to V translator/transpiler.

java java2c transpiler v vlang vlang-module

Last synced: 18 Jan 2026

https://github.com/cpacm/leetcode

LeetCode 上的算法解析

algorithms java leetcode

Last synced: 12 Oct 2025

https://github.com/ralgond/jleveldb

A pure java edition of Leveldb

java leveldb lsm nosql

Last synced: 22 Jun 2025

https://github.com/pieking1215/invmove-fabric

Minecraft Fabric mod that adds the ability to walk around while in inventories

java minecraft minecraft-fabric minecraft-fabric-mod minecraft-mod

Last synced: 14 Feb 2026

https://github.com/hummel009/game-of-thrones

Мод "Игра престолов" для Minecraft 1.7.10

forge game gradle java minecraft minecraft-mod mod

Last synced: 01 Feb 2026

https://github.com/chylex/better-controls

Minecraft mod that adds many new options & keybindings for sprinting, sneaking, and flying. Supports Fabric & NeoForge.

fabric forge java minecraft mod

Last synced: 24 Feb 2026

https://github.com/annimon/simplevm

Simple virtual machine

demo disassembler java virtual-machine

Last synced: 05 Mar 2026

https://github.com/sap/java-integration-for-sap-mobile-services

Java library that integrates to SAP Mobile Services Backend APIs. As a start this will only provide the Notification Backend API to send notifications to mobile devices. Further APIs may be included in the future.

client integration java mobile-services sap

Last synced: 19 Oct 2025

https://github.com/boul2gom/nullptr-tools

🛠️ A complete, modular and flexible toolset for all your Java ☕ projects

docker i18n java java-libraries library redis

Last synced: 26 Oct 2025

https://github.com/thirashapw/reargen

Native based fast android app development framework using html/css/js

android groovy html html-css-javascript java jdk

Last synced: 19 Oct 2025

https://github.com/cojudge/cojudge

Solve classic LeetCode problems complete offline. No discussion forum, no LLM assistant, not even the internet. Solve the curated list with just you, the problem and the offline judge.

cpp docker education interview-preparation java javascript leetcode python

Last synced: 26 Feb 2026

https://github.com/metalmoosefrc/metalmoose2018

2018 code repository of the FRC Team 1391.

first-robotics-competition frc java omgrobots power-up

Last synced: 24 Oct 2025

https://github.com/colinrgodsey/netty-quic

IETF QUIC for Netty

java netty quic

Last synced: 17 Mar 2026