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/grizeldi/z21-drive

Java implementation of Fleischmann/Roco z21 DCC center's network protocol

cab fleischmann java library model-railway z21

Last synced: 14 Apr 2025

https://github.com/liyupi/free-algorithm-learning

算法导航,免费的可视化算法学习神器!通过交互式动画带你掌握常见数据结构(二叉树、链表、栈、队列、图)和算法(排序、搜索、动态规划、贪心)。提供保姆级算法学习路线图和详细教程,支持Java、Python、JavaScript、Go、C++等多语言实现。可自定义输入数据,实时观察算法执行过程,配套LeetCode练习题。告别抽象难懂的传统学习方式,完美应对算法面试。从入门到高阶,让算法学习变得简单、直观、有趣!

algorithm algorithms computer-science data-structures dynamic-programming interview-preparation interview-questions java javascript leetcode python sorting-algorithms

Last synced: 07 Oct 2025

https://github.com/selimhorri/hr-management-system

Spring Boot app, handling CRUD operations for employees as well as their departments

dockerfile java spring spring-boot spring-security sql thymeleaf-template-engine

Last synced: 12 Apr 2025

https://github.com/ajermakovics/backflow

A dynamic reverse proxy server

java java8 reverse-proxy undertow

Last synced: 13 Apr 2025

https://github.com/sharifpoetra/thunder-java

Thunder the legendary bot that now come out reborn!

discord-bot java jda jda-bot jda-discord-bot multipurpose music-bot

Last synced: 21 Mar 2025

https://github.com/hoangsonww/graph-data-structure

🔍 This repository explores the graph data structure, focusing on its application in analyzing large texts and developing the Word Graph Game. It includes algorithms for text analysis, graph construction, and game logic, offering a comprehensive toolkit for educational and development purposes.

graph graph-algorithms graph-data-science graph-datastructures graph-theory graphs java java-8

Last synced: 11 Apr 2025

https://github.com/lemire/indexwikipedia

A simple utility to index wikipedia dumps using Lucene.

java lucene wikipedia-dump

Last synced: 29 Oct 2025

https://github.com/mlomb/freetype-jni

Java binding to the FreeType library using JNI

freetype-jni freetype-library java jni

Last synced: 06 May 2025

https://github.com/vm-001/mybatis-xml-generator

Generates MyBatis XML by using reflection and custom velocity templates.

java mybatis tools

Last synced: 11 Apr 2025

https://github.com/rootulp/hackerrank

:pencil2: Hackerrank solutions

hackerrank java problems python ruby

Last synced: 11 Apr 2025

https://github.com/joel-costigliola/elastic-search-test

ESIntegTestCase example

elasticsearch java test

Last synced: 11 Apr 2025

https://github.com/hoangsonww/binary-search-tree-dsa

🌳 This repository is dedicated to the Binary Search Tree (BST) data structure, featuring a comprehensive demo of all its functionalities including insertion, deletion, search, and traversal operations. It serves as an educational resource for understanding BSTs in depth, offering code examples and explanations suitable for students and developers.

algorithms binary-search binary-search-algorithm binary-search-tree binary-search-tree-operations binary-search-tree-traversal binary-tree binary-tree-array binary-tree-linked-list bst bst-tree data-structures java java-8

Last synced: 14 Oct 2025

https://github.com/hoangsonww/sorting-algorithms-dsa

🔄 This repository delves into sorting algorithms, with a special emphasis on the implementation of Merge Sort to organize artworks in a museum setting. It provides a detailed guide on sorting principles, Merge Sort algorithm adaptation, and its application to real-world scenarios.

java java-8 merge-sort mergesort museum museum-collections sort sorting sorting-algorithms sorting-algorithms-comparison sorting-algorithms-implemented

Last synced: 11 Apr 2025

https://github.com/eocode/docker-spark-big-data

Exercises in Spark with Docker and Data Languages

big-data data-science docker java python scala spark

Last synced: 11 Oct 2025

https://github.com/aquazus/d1proxy

A simple yet powerful Java 11 TCP MITM proxy for Dofus 1.29.1

dofus java mongodb network network-analysis network-monitoring networking proxy

Last synced: 09 Jul 2025

https://github.com/mscheong01/interfaice

Define an interface, and use LLM as your implementation!

ai artificial-intelligence chatgpt gpt java kotlin large-language-models llm proxy spring spring-boot

Last synced: 03 May 2025

https://github.com/arconia-io/arconia-migrations

Tools and OpenRewrite recipes to automate refactoring, migrations, and upgrades for Java projects.

arconia docling java junit migrations open-rewrite spring-boot testcontainers

Last synced: 30 Jun 2026

https://github.com/nea/nehe-android-ports

NeHe Android Ports

android java nehe opengl tutorial

Last synced: 11 May 2025

https://github.com/bleuzen/blizcord

Discord Bot written in Java using JDA and lavaplayer

bot discord discord-bot java jda jda-bot

Last synced: 06 Sep 2025

https://github.com/derive4j/derive4j-fj

Automatic derivation of functional-java typeclasse instances and optics

derive4j functional-programming functionaljava java java-8 typeclasses

Last synced: 28 Oct 2025

https://github.com/parttimenerd/meta-agent

Instrument instrumenting agents to see how they transform classes

instrumentation java java-agent

Last synced: 30 Jun 2025

https://github.com/corwur/cytoscapeneo4j

Cytoscape plugin for neo4j

cypher-query cytoscape java neo4j plugin

Last synced: 03 Apr 2025

https://github.com/ushelp/easybackup

Java 免费开源内容备份,压缩,远程发送一体化任务调度应用及引擎框架。Java content backup, compression, sending service application and engine framework.

application backup backups compression content-compression database database-backup database-backup-application easybackup-engine-framework easybackup-web-manger engine engine-framework java java-8 mysql project-backup system-backups

Last synced: 04 Oct 2025

https://github.com/codiga/jetbrains-plugin

Jetbrains plugin for Codiga. Coding Assistant and Code Analysis in all JetBrains products. Codiga supports more than 10+ languages, try it for free on https://www.codiga.io

c coding-assistant complexity-analysis cpp intellij intellij-plugin intellij-plugins java javascript jetbrains phpstorm phpstorm-plugin pycharm-ide pycharm-plugin python snippets-manager

Last synced: 29 Sep 2025

https://github.com/louisjenkinscs/llvm-jvm

[W.I.P] A Just-In-Time Java Virtual Machine written in Haskell

bytecode educational haskell interpreter java java-bytecode jvm language monad monadic scala virtual-machine

Last synced: 26 Jun 2025

https://github.com/amrdeveloper/tank

Dynamic type Object oriented and scripting language written in Java

interpreter java lox lox-interpreter lox-language oop-languages programming-language scripting-language

Last synced: 12 Apr 2025

https://github.com/forge/intellij-idea-plugin

JBoss Forge IntelliJ IDEA Plugin

forge idea-plugin java jboss-forge

Last synced: 09 Jul 2025

https://github.com/hongmaple/salted-fish

类似于闲鱼二手交易应用 具备手机端宝贝发布,购买,留言,收藏,订单管理,宝贝管理,发货管理 pc管理端可以进行宝贝交易代理,宝贝审核,人员管理,分类管理等功能。

java ssm vue

Last synced: 10 Mar 2026

https://github.com/sandeepsolai/minecraft-bot

Hii....I_am_sam_Here this_afk_bot_only_works_in_versions_upto--1.16.4 il_try_my_best_to_update_this_bot_for_LatestVersion_of_Minecraft i create it for aternos server but using it is up to you :)

afk afk-bot bot game java javascript minecraft minecraft-plugin minecraft-server minecraftbot mod nodejs server

Last synced: 10 Mar 2026

https://github.com/Vorlonsoft/GradleMavenPush

Helper to upload Gradle Android Artifacts, Gradle Java Artifacts and Gradle Kotlin Artifacts to Maven repositories (JCenter, Maven Central, Corporate staging/snapshot servers and local Maven repositories).

aar aar-library android android-library artifact artifacts gradle gradle-build gradle-java jar java java-library jcenter kotlin kotlin-library maven maven-repository mavencentral snapshot staging

Last synced: 21 Nov 2025

https://github.com/khannedy/buku-java

Buku Lengkap menjadi Java Developer Expert

buku-java java java-database jdbc jdk jpa jre spring-boot spring-framework

Last synced: 16 Jul 2025

https://github.com/oussamabonnor1/jetstory

JetStory is an open source android app made to help you spend your waiting time reading stories that have similar length to your available time.

android android-studio api app bootstrap csharp dotnet-core font-awesome java mobile-app open-source reading story time-management visual-studio-code xml

Last synced: 02 May 2025

https://github.com/su5ed/gregtech-experimental

A fully-featured port of GregTech 3 for modern minecraft versions

addon forge gregtech industrialcraft2 java minecraft minecraft-mod

Last synced: 23 Apr 2025

https://github.com/stwind/gradle-jni

Sample project setup for working with Java Native Interface with Gradle

gradle java jni

Last synced: 10 Mar 2026

https://github.com/futaosmile/springbootintegration

SpringBoot集成学习项目 SpringBoot Integration

druid elasticsearch gradle java kotlin mybatis redis rocketmq springboot swagger

Last synced: 23 Apr 2025

https://github.com/timostrating/parkingsimulator

Project 1.2 - A simulation project for school

gradle hanzehogeschool java libgdx libgdx-game rollercoaster tycoon

Last synced: 21 Apr 2025

https://github.com/samourai-wallet/bitcoinj

BitcoinJ: Samourai Wallet and Sentinel

bitcoin bitcoinj blockchain java library no2x segwit

Last synced: 08 Apr 2025

https://github.com/apache/ambari-infra

Apache Ambari Infra is a sub project of Apache Ambari.

ambari big-data java javascript python

Last synced: 12 Jun 2025

https://github.com/f-lab-edu/fkream

리셀 중고 거래 플랫폼인 KREAM을 모티브로 한 프로젝트

java mybatis mysql redis springboot

Last synced: 23 Apr 2025

https://github.com/yandex-cloud/java-sdk

Yandex.Cloud Java SDK

java yandex-cloud

Last synced: 28 Apr 2025

https://github.com/albogdano/elasticsearch-river-amazonsqs

[DEPRECATED] Amazon SQS river plugin for ElasticSearch 1.4

deprecated elasticsearch elasticsearch-river java plugin

Last synced: 19 Apr 2025

https://github.com/caimucheng/cidecompat

(已废弃)一款手机代码 IDE,支持 andjs,js,html,java,c++,c#,c 编辑和 js,andjs,html 运行,有语法高亮和代码补全,可以打包app

android editor ide java javascript ui

Last synced: 12 Apr 2025

https://github.com/activeviam/jdk4py

A JDK shipped in a Python package

java jdk jre jvm python-library runtime

Last synced: 09 Apr 2025

https://github.com/3arthqu4ke/hmc-specifics

Version specific implementations of the HeadlessMc runtime.

cli java minecraft

Last synced: 27 Apr 2025

https://github.com/wojciechzankowski/iextrading4j-hist

IEX Trading library to parse TOPS and DEEP multicast packets

deep feed hist iex iex-trading iextrading java market-data tops udp

Last synced: 12 Oct 2025

https://github.com/tdonuk/restaurant-management-system

Web-based restaurant management system with spring boot and rest API for school final-year project.

java management-system rest-api spring-boot

Last synced: 12 Oct 2025

https://github.com/cansik/librealsense-java

Intel® RealSense™ SDK 2 wrapper for Java.

camera depth hacktoberfest intel java library realsense v2

Last synced: 06 May 2025

https://github.com/yodiaditya/vim-netbeans

Making your VIM like Netbeans for editing Python, PHP, HTML, JS and etc. It's support with Autocomplete, Check syntax error, Python debugger and many else.

java netbeans vim

Last synced: 09 Jul 2025

https://github.com/impetus/eth-jdbc-connector

Ethereum JDBC driver implements a pure java, type 4 JDBC driver that executes SQL queries on Ethereum Blockchain.

blockchain ethereum java jdbc jdbc-driver sql

Last synced: 10 Apr 2025

https://github.com/yegor256/tojos

Text Object Java Objects (TOJOs): an object representation of a multi-line structured text file like CSV, YAML, or JSON

csv file-format java json

Last synced: 25 Apr 2026

https://github.com/julian-eggers/spring-rabbitmq-actuator

SpringBoot RabbitMQ Actuator (Queue Metrics & Health-Checks)

actuator health-check java metrics prometheus rabbitmq spring spring-boot

Last synced: 08 Jul 2025

https://github.com/d0k1/jsflight

Tools to record and replay user's activity in a web application

java jmeter load-testing selenium

Last synced: 11 Apr 2025

https://github.com/trainingbypackt/spring-boot-2-fundamentals

Learn how you can quickly build and deploy production-ready microservices within the Java and JVM ecosystem

css html java

Last synced: 10 Apr 2025

https://github.com/griush/galileohack

Born in HackUPC 2024, GNSS Tracker is an Android application that allows to retrieve and analyze data from the different GNSS satellite constelations.

android esa galileo gps java

Last synced: 06 Sep 2025

https://github.com/hoangsonww/akari-puzzle-game-javafx

💡 A JavaFX-powered implementation of the Akari logic puzzle, featuring intuitive controls, dynamic feedback, and a diverse puzzle library for hours of strategic fun! Implemented with Model-View-Controller and JFX patterns, this game will definitely be worth your time!

akari akari-puzzle css java java-21 javafx javafx-application javafx-gui javafx-project jfx model-view-controller mvc mvc-architecture mvc-pattern puzzle puzzle-game ui-design

Last synced: 16 Apr 2025

https://github.com/chinalym/shoulder-framework

🔥SpringBoot Web Plugins,follow shoulder and learn to a master of SpringBoot ~ 🚀 shoulder 1.0.0 Version Already Released!

framework java javaweb plugins shoulder springboot web

Last synced: 02 May 2025

https://github.com/kooperlol/blockify

A client-sided block library for Minecraft

api blocks client-side java minecraft packets paper papermc spigot utils

Last synced: 01 Apr 2026

https://github.com/g00glen00b/dimitri.codes

Static generator for dimitri.codes using Astro

astrojs java javascript markdown utterances

Last synced: 28 Jan 2026

https://github.com/adorsys/keystore-management

Generate keys and keystores using fluent-like API instead of dealing with JCA intricacies

fluent-api java java-keystore jca key-generation key-management keystore

Last synced: 13 Apr 2025

https://github.com/deveshrx/android-webrtc-firebase

Sample Android App for WebRTC with Firebase as backend

android firebase java webrtc

Last synced: 14 May 2025

https://github.com/tonikelope/coronapoker

The Texas hold 'em NL videogame we deserve, not the one we need, or was it the opposite?

java linux macos p2p poker texas-holdem windows zero-trust zero-trust-architecture

Last synced: 04 Jul 2026

https://github.com/ajermakovics/json

Simple and convenient Json in Java

java json

Last synced: 13 Apr 2025

https://github.com/groupe-sii/ogham

Sending email, sms or whatever is a piece of cake

email hacktoberfest java sms spring-boot

Last synced: 13 Sep 2025

https://github.com/dadiyang/java-stomp

使用 STOMP over SockJS 实现的 SpringBoot 脚手架项目,可用于快速搭建 WebSocket 工程

java sockjs springboot stomp websocket

Last synced: 12 Jan 2026

https://github.com/tonyofrancis/dispatcher

Dispatcher is a simple and flexible work scheduler that schedulers work on a background or UI thread correctly in the form of Dispatch using the android.os.Handler class.

android androidlibrary api downloader downloadmanager handlerthread java kotlin kotlin-android observable okhttp retrofit2 rxandroid rxjava rxjava2 simple threading

Last synced: 30 Jul 2025

https://github.com/brcolow/java-vulkan

Experiment with Project Panama, jextract, and Vulkan on Win32.

java jextract project-panama vulkan win32api

Last synced: 29 Jul 2025

https://github.com/ayu-hack/hacktoberfest-contributions

This repository helps beginners contribute to open source and participate in Hacktoberfest. We welcome all pull requests (Python & Java), prioritize genuine contributions, and promote good first issues! #hacktoberfest2022 #hacktoberfest2023 #hacktoberfest2024

beginner-friendly dsa hacktoberfest hacktoberfest-accepted hacktoberfest2024 java miniprojects python reactjs webdevelopment

Last synced: 13 Mar 2025

https://github.com/swiftjava/java_swift

Support code for Swift Java Bridge

java swift swift-java-bridge

Last synced: 19 Feb 2026

https://github.com/saiupadhyayula/java-sftpserver

A simple SFTP Server implemented using Apache Mina SSHD library using Java and Spring boot

java java-sftpserver sftp-server

Last synced: 25 Jul 2025

https://github.com/freeandfair/coloradorla

Software to facilitate risk-limiting audits at the state level, developed for the state of Colorado.

audit civic-tech elections government java postgresql python security typescript

Last synced: 04 May 2026

https://github.com/dengbocong/algorithm

数据结构算法的整理讲解,含Java/Python版本

acm algorithms cpp data-structures java leetcode oj python

Last synced: 15 Apr 2025

https://github.com/manifold-systems/manifold-sample-graphql-app

A sample application demonstrating the GraphQL Manifold

graphql java manifold

Last synced: 18 Aug 2025

https://github.com/anasmak04/gestion-des-stagiaires-projet-fil-rouge

project fil rouge spring boot angular 14 PostgresqL

angular java pfe spring spring-boot spring-security typescript

Last synced: 24 Apr 2025

https://github.com/xeraa/morphia-demo

Morphia (MongoDB) demo project

java mongodb morphia

Last synced: 15 Oct 2025

https://github.com/adambien/aws-lambda-cdk-plain

Simplest Possible AWS Lambda Function with Cloud Development Kit (CDK) Boilerplate

aws aws-lambda corretto devops iac infrastructure-as-code java lambda lambda-functions serverless

Last synced: 29 Jul 2025

https://github.com/camunda-community-hub/camunda-7-migration

Fluent Java API for Camunda Platform 7 process instance migration

bpmn camunda camunda-7 java migration

Last synced: 13 Jul 2025

https://github.com/cardano-foundation/cf-java-rewards-calculation

This java project is used to calculate the rewards of the Cardano blockchain. It aims to be both an edge case documentation and formula implementation.

calculation cardano java pool reserve rewards treasury

Last synced: 12 Jan 2026

https://github.com/adambien/xplr

Java Command Line Jar Explorer

cli jar java tool

Last synced: 29 Jul 2025

https://github.com/spandey1296/learn-share-hacktoberfest2021

✧ 🎀 𝐓𝐡𝐢𝐬 𝐫𝐞𝐩𝐨𝐬𝐢𝐭𝐨𝐫𝐲 𝐜𝐨𝐧𝐭𝐚𝐢𝐧𝐬 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬 𝐚𝐧𝐝 𝐚𝐬𝐬𝐢𝐠𝐧𝐦𝐞𝐧𝐭𝐬 𝐭𝐡𝐚𝐭 𝐲𝐨𝐮 𝐡𝐚𝐯𝐞 𝐭𝐨 𝐰𝐨𝐫𝐤 𝐨𝐧 𝐛𝐲 𝐬𝐞𝐧𝐝𝐢𝐧𝐠 𝐨𝐧𝐥𝐲 𝟒 𝐯𝐚𝐥𝐢𝐝 𝐩𝐮𝐥𝐥 𝐫𝐞𝐪𝐮𝐞𝐬𝐭𝐬. 𝐒𝐭𝐞𝐩 𝐛𝐲 𝐬𝐭𝐞𝐩 𝐆𝐮𝐢𝐝𝐚𝐧𝐜𝐞 𝐰𝐢𝐥𝐥 𝐛𝐞 𝐦𝐚𝐢𝐧𝐭𝐚𝐢𝐧𝐞𝐝 𝐢𝐧 𝐭𝐡𝐞 𝐫𝐞𝐚𝐝𝐦𝐞.𝐦𝐝 𝒯𝒽𝒾𝓈 𝓇𝑒𝓅♡𝓈𝒾𝓉🍪𝓇𝓎 𝓌𝒾𝓁𝓁 𝒸🌺𝓃𝓈𝒾𝓈𝓉 𝓂𝑒𝓇𝑔𝑒 𝒻𝓇♡𝓂 𝓉𝒽𝑒 𝒶𝓁𝓁 𝓅𝒶𝓇𝓉𝒾𝒸𝒾𝓅𝒶𝓃𝓉𝓈 🌺𝒻 𝒽𝒶𝒸𝓀𝓉❁𝒷𝑒𝓇𝒻𝑒𝓈𝓉 𝟤❤𝟤𝟣 𝓅🍪𝓌𝑒𝓇𝑒𝒹 𝒷𝓎 𝒟𝒾𝑔𝒾𝓉𝒶𝓁🍑𝒸𝑒𝒶𝓃. 🎀 ✧

development full-stack hacktoberfest hacktoberfest-2021 hacktoberfest-accepted hacktoberfest-starter hacktoberfest2021 hactoberfest java project python3 web

Last synced: 31 Jul 2025

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

Code examples and additional documentation for using Calimero

examples java knx

Last synced: 18 Oct 2025