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/cleasbycode/pdvzip

Embed a ZIP or JAR file within a PNG image to create a tweetable and "executable" PNG-ZIP polyglot image file. CLI / Web tool.

arbitrary-data cli-tools cpp hacking infosec jar java linux png polyglot polyglot-files polyglots powershell pwsh python tweetable-zip twitter x-platform zip zipfile

Last synced: 12 Apr 2025

https://github.com/rootulp/hackerrank

:pencil2: Hackerrank solutions

hackerrank java problems python ruby

Last synced: 11 Apr 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/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/maxisandoval37/webapp-maxcotas

MAXcota Web App - Spring Boot

java spring-boot spring-security thymeleaf

Last synced: 17 Mar 2025

https://github.com/mainakrepositor/super-ciphers

A collection of some of the amazing cryptographic Ciphers in C++, Python and Java with a detailed documentation and approach map. (Particularly helpful for Blockchain. and designing Encryption Algorithms)

arithmetic blockchain cipher-algorithms cpp cryptography java logic python3

Last synced: 26 Oct 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/ucloud/ucloud-sdk-java

UCloud SDK for Java

developer-tools devops java sdk ucloud

Last synced: 10 Apr 2025

https://github.com/chanran/addressbook

java桌面应用--通讯录

addressbook java javafx-desktop-apps mysql

Last synced: 10 Apr 2025

https://github.com/oussamabonnor1/find_the_letter_material_design

litterature game made using javaFX and FXML, small collaboration, the game is about finding the missing letters from a word using different hints (an image, incomplete word..etc).

desktop fxml game intellij-idea java javafx material-design

Last synced: 23 Oct 2025

https://github.com/salaboy/k8s-operator

Simple Kubernetes Operator Using Spring Cloud Gateway and Spring Cloud Kubernetes

cloud java kubernetes operator spring

Last synced: 10 Apr 2025

https://github.com/catman85/javafx-student-management-system

A Java application for managing students teachers, and grades.

java javafx javafx-application javafx-gui maven sqlite

Last synced: 10 Apr 2025

https://github.com/webmakaka/microservices-and-distributed-systems

[Amigoscode, Nelson] Microservices and Distributed Systems [ENG, 2022]

java minikube postgresql spring-boot zipkin

Last synced: 24 Jun 2025

https://github.com/memfault/bort

Memfault SDK for AOSP-based Android devices. Observability, logging, crash reporting, and updating all in one service. More information at https://docs.memfault.com.

android aosp bugreports firmware java kotlin memfault observability ota sdk

Last synced: 11 Jan 2026

https://github.com/abdlquadri/vertx-eventbus-java

A Vert.x EventBus client written in Java, works on Android

android eventbus java vertx

Last synced: 14 May 2025

https://github.com/kpavlov/tachyon

💫 Tachyon MCP Runtime for JVM - a Java Model Context Protocol server with Streamable HTTP, native Netty transports, tasks, resources, prompts, resumable sessions, and stateless deployment support.

ai ai-agent-tools ai-agents ai-agents-mcp java java-21 java-25 java-26 llm-tools mcp model-context-protocol netty server

Last synced: 03 Jul 2026

https://github.com/houarizegai/tictactoe

A simple Tic Tac Toe (XO) game 🎮 developped using Java Swing.

game java swing tic-tac-toe tictactoe

Last synced: 10 Apr 2025

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/amanoteam/sunny

Prevent Tachiyomi and Mihon from throttling your requests by ignoring rate limits

java tachiyomi xposed-module

Last synced: 14 May 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/picturesafe/picturesafe-search

picturesafe-search is an open source Java wrapper for Elasticsearch, implementing an opinionated, fresh approach to implement new search/analytics enabled applications or enhance legacy software based on relational databases with powerful full text search capabilities.

elasticsearch java search search-engine

Last synced: 12 Jan 2026

https://github.com/doudoutangs/3.salary_system

github不会经常在线,可加QQ:553039957,详谈。薪资管理系统:是一套简洁薪资管理系统,虽然界面简单,但其功能强大。系统分为了五大模块:考勤与工资,薪资设置,部门管理,公告管理,系统管理。主要技术:Springboot+MyBatisPlus+MySQL+jQury,Layui

java jquery layui mybatis-plus mysql spring-boot

Last synced: 13 May 2025

https://github.com/croc-code/jxfw

Java eXtendable FrameWork

ddd java spring spring-boot

Last synced: 14 Apr 2025

https://github.com/thatbeautifuldream/dsa

This repository consists of all the material from my data structures and algorithms preparation.

algorithms data-structures java problem-solving

Last synced: 14 Apr 2025

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/l33t-c0d3r-66/todo-web-application

TO-DO Web Application Created Using Hibernate and Bootstrap

hibernate java javawebapp jsp jsp-servlet

Last synced: 28 Apr 2025

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/epam/Gepard

Test Automation Framework

framework java junit test-automation

Last synced: 27 Feb 2025

https://github.com/veilair/java-development

An ongoing curated list of frameworks, books, articles, talks, screencasts, recordings, libraries, learning tutorials and resources about Java Development.

java java-17 java-9 java-application java-apps java-code-best-practices java-codes java-collections java-developer java-developer-vm java-development-kit java-development-tools java-frameworks java-security

Last synced: 12 Jun 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/nea/nehe-android-ports

NeHe Android Ports

android java nehe opengl tutorial

Last synced: 11 May 2025

https://github.com/sivaprasadreddy/sivalabs-youtube-code-samples

Sample code for my YouTube video tutorials

java spring-boot video-tutorials youtube

Last synced: 25 Jun 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/praj-foss/swing-graalvm-demo

Swing demo app compiled with GraalVM native-image

graalvm java native-image swing

Last synced: 17 Sep 2025

https://github.com/pushyzheng/landlords

这是一款可以和好友同玩的开黑斗地主!

game java spring

Last synced: 10 Aug 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/satoshun/rxwebview

RxJava2 binding APIs for Android's WebView

android java kotlin rxjava rxjava2 webview

Last synced: 12 Aug 2025

https://github.com/ewyboy/oretweaker

Add, remove, tweak and configure ore and underground generation features for Minecraft Forge

forge forge-mod java minecraft minecraft-forge minecraft-forge-mod mod modded modded-minecraft ore ores world-gen world-generation world-generator

Last synced: 04 Oct 2025

https://github.com/dzcode-io/kuliya

Algeria's college hierarchy dataset as packages for different languages and platforms

algeria c college d dataset dzcode java javascript npm rust university

Last synced: 27 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/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/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/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/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/swiftjava/java_swift

Support code for Swift Java Bridge

java swift swift-java-bridge

Last synced: 19 Feb 2026

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/basil2style/android-spreadsheet

Spreadsheet or Report page Library for Android

java spreadsheet-data

Last synced: 10 Jan 2026

https://github.com/mohamed-taman/java-se-code-examples

IBM Developers Work related articles code, this repository contains a collection of Java SE code examples from java SE 8/9-14 and next, applicable to day by day job tasks

collections-framework http2 java java11 java12 java8 javafx

Last synced: 10 Apr 2025

https://github.com/sadanandpai/dsa-in-js

Solutions to wide range of programs on Data Structures and Algorithms

algorithms datastructures graph java

Last synced: 27 Mar 2025

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

Goals: Implement an Ethereum Smart Contract called SoccerManager and deploy it to Ethereum Blockchain running locally; Implement 2 Spring Boot BE applications, ethereum-api and player-api, that uses Web3j to communicate with Ethereum blockchain; Implement 2 React FE applications, ethereum-ui and player-ui, that communicate to their respective BE.

ethereum ethereum-blockchain java react remix smart-contracts solidity spring-boot spring-web-mvc springdoc-openapi web3j

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/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/version-fox/vfox-java

☕️Java plugin for vfox

graalvm java jdk openjdk sdkman vfox-plugin

Last synced: 10 Apr 2025

https://github.com/metaphoriker/randomizer-cs2

A Randomizer for more fun in Counter-Strike 2 made with JavaFX

application builder cs2 csgo desktop fun java javafx randomizer swing updater

Last synced: 10 Apr 2025

https://github.com/kstenschke/referencer-plugin

"Referencer" plugin for Jetbrains IDEs

intellij intellij-plugin java open-api phpstorm plugin

Last synced: 11 Apr 2025

https://github.com/tkuenneth/android-demos

This repo contains various Android demo apps

android java kotlin-android

Last synced: 14 Apr 2025

https://github.com/rohatdgnr/tourismagency

The main purpose of this project is to enable businesses operating in the hotel sector to manage their daily operations more effectively and optimize customer reservation processes.

java postgresql swing

Last synced: 31 Aug 2025

https://github.com/MoonWorm/jsonapi4j

Lightweight API framework for Java for building JSON:API compliant APIs with minimal configuration

api api-rest java json-api oas3

Last synced: 13 Mar 2026

https://github.com/scndry/jackson-dataformat-spreadsheet

A Java library (Jackson extension) for reading and writing Excel spreadsheets (XLSX/XLS) as POJOs.

data-binding excel jackson jackson-dataformat java ooxml poi pojo spreadsheet xls xlsx

Last synced: 25 Apr 2026

https://github.com/grahamedgecombe/android-ssl

Android SSL certificate validation vulnerability detection tools.

android java ssl

Last synced: 27 Mar 2026

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/oblac/jodd-lagarto

Java HTML parsers suite.

html html-parser java jquery parser

Last synced: 27 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/playfab/javasdk

PlayFab SDK for Java applications

android java playfab

Last synced: 18 Aug 2025

https://github.com/jillesvangurp/osm2geojson

Tool to convert open street map xml to geojson

geojson java openstreetmap-data osm

Last synced: 13 Jun 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/Scorpio-xu/2017NPU-Exam

2017级西工大软件工程考研复试机试题,java实现

bubble-sort java

Last synced: 01 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/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/frc1257/robotics-training

Team 1257's repository for training new members

docsify frc java

Last synced: 24 Oct 2025

https://github.com/brokiem/bedrockreplay

A Minecraft: Bedrock Edition proxy replay system

bedrock java minecraft replaymod

Last synced: 14 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/freeipcc/freeaicc

AI Call Center,Contact Center,Customer Service System,Колл-центр,Callcenter,Centre d'appels,Centro de llamadas,Centro de atendimento,コールセンター,콜센터,Интеллектуальный колл-центр,Intelligentes Callcenter,Centre d'appels intelligent,Centro de llamadas inteligente,Centro de atendimento inteligente,インテリジェントコールセンター,지능형 콜센터

ai asr call-center callcenter contact-center contactcenter freeaicc freeipcc freeswitch ipcc java llm nlp python rag telephony tts

Last synced: 12 Apr 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/neomatrix369/java-10-and-beyond

Examples and exercises based on some of the features of Java 10 (GA and Early Access builds)

examples exercises java java10

Last synced: 05 May 2025

https://github.com/tyronczt/java-learn

Java知识点整理

java

Last synced: 11 Apr 2025

https://github.com/edwinm/game-of-life-in-java

John Conways Game of Life in Java, either as a applet or as a stand alone program.

applet gameoflife java

Last synced: 04 Apr 2025

https://github.com/misterlingham4/crackingthecodinginterview

Repository to hold code written to help study for coding interviews using the textbook "Cracking the Coding Interview." Includes data structure implementations and solutions to problems in the textbook.

java jdk jdk11 jdk17 jdk21 jdk23 jdk8 jvm

Last synced: 10 Sep 2025