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/spring-petclinic/spring-petclinic-langchain4j

Spring Petclinic application with a chatbot powered by OpenAI's Generative AI and the LangChain4j project

chatbot embeddings genai java langchain4j llm ollama openai rag spring-boot

Last synced: 05 May 2025

https://github.com/wx-chevalier/reinvent-mq

Multiple home-made Message Queues from Scratch, OMMQ(akin RocketMQ), PongoMQ(akin Kafka), CubeMQ(akin TubeMQ)etc.

go java wx-be wx-code wx-go wx-java

Last synced: 17 Jun 2025

https://github.com/basemax/androidautobuildapk

This is an example of how to build an APK using GitHub Actions. Here, we created a simple Android application that displays a Hello World!. We then created a workflow that builds the APK and uploads it as a new release.

android apk apk-builder app build-apk github-action github-actions github-actions-ci java kotlin

Last synced: 05 May 2025

https://github.com/gab-studios/gab-cmdline

A GABStudios Java library to help with command line parsing.

command gab-cmdline java line parser parser-library

Last synced: 03 Oct 2025

https://github.com/paritytrading/foundation

Utility library for network protocols on the JVM

java networking

Last synced: 16 Jul 2025

https://github.com/miteshputhran/food-wastage-management

Food Wastage Management: Providing a simpler means of collecting the leftover food from restaurants and distributing the same to those in need

db4o ecosystem-model java jfreechart

Last synced: 23 Aug 2025

https://github.com/sap/ai-sdk-java

Integrate chat completion into your business applications with SAP Cloud SDK for AI. Leverage the Generative AI Hub of SAP AI Core to make use of templating, grounding, data masking, content filtering and more. Access all features of SAP AI Core with the SAP Cloud SDK for AI.

ai chat gen-ai java sap-ai-core

Last synced: 20 Feb 2026

https://github.com/sudhirkumar85/library-management-system-project

Library-Management-System-Project :- A library management system is software that is designed to manage all the functions of a library. It helps librarian to maintain the database of new books and the books that are borrowed by members along with their due dates.

awt dbms java library-management-system-project swing

Last synced: 15 Apr 2025

https://github.com/anein/java-programming-solving-problems-with-software

Modules of Coursera Course "Java Programming: Solving Problems with Software"

coursera coursera-course java java-programming

Last synced: 12 Apr 2025

https://github.com/benpollarduk/ktaf

A Kotlin library that provides a framework for creating text adventures and interactive stories for JVM. Ktaf is a Kotlin implementation of NetAF.

adventure engine framework game game-engine interactive interactive-story java kotlin story text text-adventure

Last synced: 15 Apr 2025

https://github.com/baghelamit/video-stream-classification

Video Stream Classification

java kafka opencv spark tensorflow

Last synced: 23 Apr 2025

https://github.com/othreecodes/attendancems

Attentance management and Course Record System Written in JavaFX

attendance-management-system fingerprint java javafx records-management

Last synced: 15 May 2025

https://github.com/mightypirates/bedrockores

A minecraft mod that adds ore clusters embedded in bedrock, and a machine to extract them automatically.

forge java minecraft mod

Last synced: 03 Jul 2025

https://github.com/piomin/sample-nomad-java-services

sample spring applications that are deployed on Hashicorp's Nomad and and communication with each other using Consul disocvery and Spring Cloud Consul client

consul java microservices nomad service-discovery spring-boot spring-cloud spring-cloud-consul

Last synced: 17 Mar 2025

https://github.com/sanchithaudana/java-oop

Java Object Oriented Programming

java oop-principles oops-in-java

Last synced: 31 Aug 2025

https://github.com/binance/binance-toolbox-java

Toolbox for Binance Java Connector

binance binance-api java toolbox

Last synced: 15 Apr 2025

https://github.com/leonardpepa/segaleo

Segaleo is an ordering application (Personal Digital Assistant) that exists in every room of a hotel unit. This application facilitates the delivery of room service menu items to the customer, as well as the immediate booking of activities.

delivery food gui gui-application hotel hotel-management-system hotel-ordering-app java leonard leonardpepa leonarnt pepa swing uom

Last synced: 22 Aug 2025

https://github.com/s-frei/tracksearch

Search on YouTube and/or SoundCloud for tracks and get their metadata

expose http-client java metadata-extraction music search search-interface song soundcloud stream youtube

Last synced: 22 Aug 2025

https://github.com/arquillian/arquillian-cube-q

Fault injection and chaos testing all in one, sweet DSL.

chaos-monkey docker java jvm testing

Last synced: 20 Aug 2025

https://github.com/timostrating/projecteuler

These are Java / Ruby / C / Lisp / Haskell / PHP/ Bash / PL-SQL / Mathematica / Rust / Kotlin / Lua solutions for Project Euler, — In the best 1% of the world

cpp java mathematica projecteuler python ruby

Last synced: 12 Sep 2025

https://github.com/digitalheir/java-nfa

🌁 Nondeterministic Finite State Automata for Java (in plain English: flowcharts with multiple possible outcomes)

finite-state-automaton finite-state-machine fsa java nfa non-deterministic transducer

Last synced: 11 Jan 2026

https://github.com/timbru31/passwordprotect

🔐 PasswordProtect plugin for CraftBukkit/Spigot

bukkit bukkit-plugin craftbukkit java minecraft password spigot spigot-plugin spigotmc

Last synced: 26 Oct 2025

https://github.com/oragejuice/oragehack

A minecraft injection client that uses launchwrapper

java launchwrapper minecraft minecraft-cheat

Last synced: 12 Feb 2026

https://github.com/hardiksinghbehl/spring-boot-apache-poi

list of reference POCs to work with excel files using apache-POI and spring-boot

apache-poi excel-reader excel-validator excel-writer java open-api-v3 spring-boot

Last synced: 04 Mar 2026

https://github.com/migetapp/migetpacks

Zero-config container builds for 14 languages. Auto-detects Node.js, Python, Go, Ruby, Rust, Java, PHP, .NET, Elixir, Kotlin, Scala, Clojure, Deno, Bun. No Dockerfile required.

buildpacks cloud-native container devops docker dockerfile golang java kubernetes nodejs paketo-alternative python ruby rust

Last synced: 15 Feb 2026

https://github.com/oracle/rewrite-recipes

OpenRewrite recipes for Oracle solutions, like upgrades of java and Weblogic.

coherence jakartaee java openrewrite openrewrite-recipes spring-framework-6 weblogic

Last synced: 18 Oct 2025

https://github.com/openzipkin/brave-cassandra

Tracing instrumentation for Cassandra and the DataStax Java Driver

cassandra distributed-tracing instrumentation java openzipkin tracing zipkin zipkin-brave

Last synced: 04 Jun 2026

https://github.com/mindgamesnl/fireio

The simple fast, simple and sexy cross platform networking framework

async framework java javascript networking rest socket

Last synced: 26 Oct 2025

https://github.com/usnistgov/metaschema-java

Java tools and libraries providing a Metaschema toolchain

code-generation data-binding java json maven maven-plugin metaschema modeling parser-library xml yaml

Last synced: 26 Oct 2025

https://github.com/rajatt95/testautomationframework_udemy_oc_web_selenium_java_v2

Automation Testing | Web+API | Java | Selenium WebDriver | RestAssured | OOPS (Inheritance, Polymorphism, Abstraction, Encapsulation)| TestNG | Maven | Allure Reports | Design Patterns (Page Object Model, Singleton, Fluent, Builder) | Jenkins | Data-Driven Testing using JSON file

allure atomic-tests automated-testing design-patterns intellij-idea java oops page-object-model restassured selenium-webdriver testng

Last synced: 01 Mar 2026

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

Apache Sling Engine Implementation

java sling

Last synced: 06 Apr 2025

https://github.com/PhilippHeuer/credential-manager

Java - OAuth2 Credential Manager

credentialmanager java oidc-client

Last synced: 14 May 2025

https://github.com/iodesystems/seleniumjquery

Reactive Selenium jQuery dom integration

java jquery kotlin selenium

Last synced: 27 Jun 2025

https://github.com/ivstiv/pixelart-converter

This project aims to recreate pixel arts as close as possible to a given image but with a limited color palette. In this case it is working with the color palette of the Drednot's Colored Panel but technically it should not have any issues to work with any other palette given it is in the right json format.

converter dredark drednot java javafx pixelart

Last synced: 13 May 2025

https://github.com/mohamed-taman/mohamed-taman

Profile biography

jakarta-ee java

Last synced: 28 Jun 2025

https://github.com/tzutalin/driverecorder

It's an Android application which is able to record the video when driving.

android application camera java

Last synced: 14 May 2025

https://github.com/binhex/arch-intellij

Docker build script for Arch Linux base with IntelliJ IDEA

arch-linux docker docker-image groovy gui ide intellij java kotlin novnc scala x-windows

Last synced: 08 Apr 2026

https://github.com/tianyirenjian/jvalidation

A spring boot validation library from laravel.

java validate validation validation-library validator

Last synced: 20 Jan 2026

https://github.com/utsanjan/greenhouse

GreenHouse Blog is an innovative Java-based social media Android app crafted for effortlessly sharing college updates and engaging gossip

android android-studio blog collegeblog greenhouse java social social-media

Last synced: 18 Sep 2025

https://github.com/hncboy/leetcode

LeetCode

algorithm java leetcod

Last synced: 30 Apr 2025

https://github.com/objectionary/eo-strings

EO Objects for Manipulations with Strings

eolang java oop oop-principles

Last synced: 14 Jan 2026

https://github.com/kanugurajesh/dsa-challenge

A 45 days DSA challenge

dsa java placement-preparation

Last synced: 07 May 2025

https://github.com/beratyesbek/e-campus-backend

e campus system is a portal that contains all the information of your college. it includes the students schedule and timetable, lesson detail ,professors,student enrolled and more all are managed by this system.

aop-aspects java psql spring spring-boot

Last synced: 27 Oct 2025

https://github.com/eugener/highlight.fx

Lightweight syntax highlighting for JavaFX

java javafx syntax-highlighting

Last synced: 05 May 2025

https://github.com/loonaticx/DemiBOT

DemiBOT is an amazing remote control Java Discord bot, created by the infamous Loonatic and Disyer.

bot discord discord-bot discord-bots discord-java discordjava epic java remote-control remote-control-discord

Last synced: 08 Apr 2025

https://github.com/0x4f53/GetPerms

An Android wrapper library to quickly get app permissions and other package data.

android android-library apk demo icon java jitpack library localdatetime open-source package-manager packages permissions permissions-android phone security siem signature

Last synced: 11 Apr 2025

https://github.com/faob-dev/tutorials

Covers various languages and technologies

android android-development java jna ndk

Last synced: 24 Apr 2025

https://github.com/explore-de/rage4j

Evaluate your LLM based Java Apps

ai evaluation java junit langchain4j llm testing

Last synced: 29 May 2026

https://github.com/anonfaded/fadeboard

Android Keyboard which transforms simple letters into special characters | Dodge censorship!! - your words, your way!

android android-app android-keyboard java

Last synced: 13 Apr 2025

https://github.com/shubh2-0/deadlock-in-java

This repository showcases two projects that demonstrate the concept of deadlock in different scenarios. Project 1: Printer Scanner simulates resource deadlock. Project 2: Water Spices presents a practical example. Clone and explore to understand deadlock and resource management. Contributions are welcome.

deadlock example-project java practice-project thread

Last synced: 23 Apr 2025

https://github.com/guanaitong/open-sdk-java

关爱通开放平台SDK-JAVA版

java

Last synced: 14 Jan 2026

https://github.com/nalukit/iban4g

A port of Artur Mkrtchyan's iban4j project so that it will work with Java, GWT or J2CL. A library for generation and validation of the International Bank Account Numbers IBAN (ISO_13616) and Business Identifier Codes BIC (ISO_9362).

artur-mkrtchyan-iban4j bic gwt gwt-library iban iban4j j2cl java

Last synced: 30 Jul 2025

https://github.com/zafir100100/quizapp-java

The "QuizApp-Java" repository on GitHub is a Java-based project that allows developers to create a quiz application with various features, such as multiple-choice questions, timers, and score tracking. The repository includes the source code for the project, as well as documentation on how to use and customize the quiz application.

gui java java-swing multiple-choice-questions netbeans quiz-application score-tracking

Last synced: 19 Apr 2025

https://github.com/zhangyingwei/cockroach2

java 爬虫框架 cockroach 完全重构

cockroach java spider

Last synced: 07 May 2025

https://github.com/marthym/baywatch

Follow your favorite news letters and keep an 👀 on the latest technologies news.

feed-reader java rss springboot vue3

Last synced: 15 May 2025

https://github.com/htangle/nevergetmeweb

使用SpringBoot+MySQL+Redis+jQuery+Bootstrap搭建的个人博客项目---废弃

bootstrap4 java mybatis mysql redis springboot

Last synced: 24 Apr 2025

https://github.com/fabric8io/maven-model-helper

A library to parse Maven descriptors (pom.xml) and write changes to the model preserving the original comments

java maven parser

Last synced: 03 Feb 2026

https://github.com/menny/bazel-leaf

A Gradle plugin that builds modules using Bazel.

android bazel gradle gradle-plugin java

Last synced: 01 Sep 2025

https://github.com/nsiatras/pdf-compressor

PDF File Compression Software

compression ghostscript java pdf

Last synced: 13 May 2025

https://github.com/mathieusoysal/jib-container-publish.yml

GitHub Actions for your Java project to build container with jib and publish it to GitHub Packages.

actions docker github-actions hacktoberfest java java-to-github-packages jib maven

Last synced: 23 Mar 2025

https://github.com/bes2008/langx-js

TypeScript,JavaScript language extensions, write TypeScript,JavaScript using Java API for a javaer, javascripter, typescripter, weber

java javascript langx-java langx-js lodash typescript

Last synced: 19 Mar 2025

https://github.com/jaudiolibs/pipes

Java audio routing and unit generator library.

audio dsp java

Last synced: 11 Apr 2026

https://github.com/arkssss/studynotes

后端技能校招笔记整理 (包含数据结构, 算法, Java, C++, 数据库, Redis, Linux 等)

cpp git java linux mysql php rabbitmq react redis vim

Last synced: 23 Mar 2025

https://github.com/apache/brooklyn-dist

Apache Brooklyn Dist

brooklyn cloud java

Last synced: 14 Apr 2025

https://github.com/sonatype/package-url-java

Java Package URL implementation

java labs package-url

Last synced: 23 Apr 2025

https://github.com/kilianb/pcg-java

PCG — Java Implementation. High quality fast random number generator

java pcg pcg-random prng rng

Last synced: 28 Apr 2025

https://github.com/theeterna/server2mcp

This is a revolutionary AI MCP plugin with excellent pluggable and encapsulated features. With just a few lines of configuration, it can easily integrate into your Spring boot web program and give it MCP capabilities,inheriting the powerful engineering capabilities of the Spring series framework

agent ai framework java maven mcp mcp-server multi-agent-systems spring spring-ai spring-boot spring-mvc

Last synced: 10 Sep 2025

https://github.com/danekja/jdk-serializable-functional

Library with serializable versions of java.util.function.* interfaces.

functional java jdk

Last synced: 01 Sep 2025

https://github.com/norbit4/treecuter

Cut down trees mechanic plugin to game minecraft

bukkit java jobs mc minecraft paper plugin spigot tree treecapacitator treecuter

Last synced: 04 Mar 2026

https://github.com/fmjsjx/libnetty

A set of some useful libraries based on netty-4.x.

codec fastcgi http java netty redis

Last synced: 02 Apr 2026

https://github.com/c-akhil/java-interview-guide

A comprehensive repository for Java and Spring Boot interview preparation. This repository includes detailed questions and answers covering Core Java Concepts, OOP, Collections & Data Structures, Java 8 & Functional Programming, Spring Boot & Microservices, and Spring Boot Security & Optimization

api-development backend-development collections functional-programming interview-questions java java-interview microservices software-development spring-boot technical-interview

Last synced: 18 Apr 2026

https://github.com/britannio/lox

A full-featured, efficient scripting language from Robert Nystrom's book: craftinginterpreters.com

bytecode-interpreter clox interpreter java jlox lox lox-interpreter lox-language recursive-descent-parser

Last synced: 17 Apr 2026

https://github.com/hebirobotics/hebicam

MATLAB utility for streaming video acquisition (h264, mjpeg, etc.)

java matlab

Last synced: 27 Feb 2026

https://github.com/ranjanji/crime-management-system

A simple crime management system, which stores and display data from MySQL database. It is a console based Java application.

console-application crime-management crime-management-system database-management java jdbc-driver mysql spring-tool-suite sts

Last synced: 20 Apr 2026

https://github.com/vimeworld/skinservice

VimeWorld.com Minecraft Skin Service

cloudflare image-api java minecraft minecraft-avatar vimeworld

Last synced: 13 Feb 2026

https://github.com/igrishaev/jsam

A lightweight, zero-deps JSON parser and writer

clojure java json

Last synced: 05 Mar 2026

https://github.com/paarthmadan/playground

Fundamental computer science algorithms and preparation for computing contests.

algorithm breadth-first-search canadian-computing-competition ccc dijkstra java python rust

Last synced: 02 Mar 2026

https://github.com/vrnsky/java-a-to-z

Java Study Project

java oop study-project

Last synced: 11 Feb 2026

https://github.com/cgivre/drillbook

The Official Source Repository for Learning Apache Drill (O'Reilly, 2018)

apache-drill hadoop hbase hive java kafka python python3 sql

Last synced: 02 Apr 2026

https://github.com/jiro4989/mvtexteditor

RPGツクールMVのテキスト編集ツール

gui java javafx utility

Last synced: 08 May 2025

https://github.com/divvun/giellakbd-android

A fork of LatinIME (by Google for Android), targeting marginalised languages that also deserve first-class status on mobile operating systems.

android android-app ime java keyboard keyboard-layout minority-language natural-language

Last synced: 16 Jul 2025

https://github.com/devfinwiz/leetcode-feeder

A repository designed for novice developers to make open-source contributions with just a few clicks. Get your pull request merged in under 12 hours!

algorithm-challenges competitive-coding cpp data-structures java leetcode leetcode-python python sql

Last synced: 21 Mar 2025

https://github.com/javiertuya/samples-test-spring

Ejemplos de automatización de pruebas con Spring Boot

bdd ci-cd-pipeline github-actions java jbehave jenkins junit maven spring-boot testing

Last synced: 17 Feb 2026

https://github.com/skullabs/kos

Zero-overhead and minimalist web framework for Vert.x

java kotlin microservice vertx

Last synced: 21 Jun 2025

https://github.com/hms-core/hms-drive-clientdemo

This sample code encapsulates APIs of the HUAWEI Drive Kit SDK.You will learn how to use Drive Kit SDK.

cloudstorage demo drive-kit drivekit hms hms-drivekit java

Last synced: 14 Jul 2025