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/cassiomolin/tasks-rest-api

Sample REST API for managing tasks using Spring Boot, Jersey, Jackson, MapStruct, Hibernate Validator and REST Assured.

hibernate-validator jackson java jersey mapstruct postman rest rest-api rest-assured spring spring-boot

Last synced: 15 Mar 2026

https://github.com/ghost-chu/simplereloadlib

Simple but useful generic reload library for Java projects.

java libraries reload simple

Last synced: 15 Mar 2026

https://github.com/xeraa/mongouk2011

MongoUK2011 presentation on Morphia

java mongodb morphia

Last synced: 11 Oct 2025

https://github.com/krysztal112233/agrarianrevolution

New adventure of agriculture.

fabricmc java minecraft

Last synced: 19 Oct 2025

https://github.com/jethronap/jstat

A Java Library for Statistics, Data Analysis and Visualization.

classification data-analysis gradient-descent java linear-regression statistics

Last synced: 21 Jun 2025

https://github.com/cristiangreco/spring-boot-boilerplate

Starter project to develop REST APIs with Spring Boot and Gradle

gradle heroku java spring-boot

Last synced: 06 Apr 2025

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/iodesystems/seleniumjquery

Reactive Selenium jQuery dom integration

java jquery kotlin selenium

Last synced: 27 Jun 2025

https://github.com/sachinl0har/basic-calc-app-java

Download Link 👇 [My Work Section]

android app java studio

Last synced: 28 Jul 2025

https://github.com/eternalcodeteam/discordofficer

👮‍♂️ EternalCode discord community officer.

discord discord-bot hacktoberfest java jda

Last synced: 07 Mar 2026

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

Java - OAuth2 Credential Manager

credentialmanager java oidc-client

Last synced: 14 May 2025

https://github.com/augustomello09/pethouse

Este projeto é uma aplicação Full Stack para um E-commerce de PetShop, desenvolvida com Java, Spring Boot 3+ no backend e Angular no frontend. O objetivo é simular uma plataforma completa onde os usuários podem navegar e realizar compras de produtos para pets de maneira intuitiva e segura.

angular docker flyway java jenkins junit5 kafka postgresql s3 spring-boot

Last synced: 07 Mar 2026

https://github.com/jwharm/cairo-java-bindings

Java language bindings for the Cairo graphics library using the JEP-454 Panama FFI

bindings cairo-drawing java jep-454

Last synced: 15 Sep 2025

https://github.com/willdoescode/willsautoclick

Fastest Java autoclicker in the entire west

auto-clicker clicker java robot swing swing-gui

Last synced: 07 Apr 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/dxxxxy/hephaestus

Hephaestus - R.A.T Forger: completely setup R.A.T + host it on heroku with a single Java console application. Disclaimer: For educational purposes only.

app auto discord forge fully hephaestus heroku host java maven mod rat setup

Last synced: 21 Apr 2025

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

A 45 days DSA challenge

dsa java placement-preparation

Last synced: 07 May 2025

https://github.com/haq/mapcha

Map based captcha plugin for your Minecraft server.

captcha java paper spigot

Last synced: 20 Apr 2025

https://github.com/apache/aries-rsa

Apache Aries Remote Services Admin

aries java library

Last synced: 22 Apr 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/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/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/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/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/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/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/artipie/ppom

Parent POM for all Maven projects

artipie java maven-pom parent-pom

Last synced: 14 Jan 2026

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

Java - OAuth2 Credential Manager

credentialmanager java oidc-client

Last synced: 13 May 2025

https://github.com/apache/drill-site

Apache Drill Site

big-data drill java

Last synced: 03 Sep 2025

https://github.com/ericsson-mts/mts-asn1

Library to decode/encode ASN.1 protocol (PER only)

asn1 encoding java ngap per s1ap

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/vensing/fy4a

A demo of parse fengyun4 satellite HDF5 file and output a color enhance satellite image ⛅

hdf5 java

Last synced: 02 Jul 2025

https://github.com/tokenmill/fast-url-access-checker

Easily run HTTP GET requests against a list of URLs to check their HTTP status.

clojure http-redirect http-status java url-checker url-cleaning

Last synced: 22 Apr 2025

https://github.com/teogramm/oasth

A library offering access to the OASTH API.

bus java kotlin oasth thessaloniki transit

Last synced: 14 Jan 2026

https://github.com/nhenneaux/resilient-httpclient

Java HTTP client with pooling and auto refresh of underlying IP addresses

dns http http2 httpclient java java-httpclient

Last synced: 14 Jan 2026

https://github.com/petitviolet/android-scaex

powerful expressions

android java scala

Last synced: 28 Feb 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/100/stock-analysis-markov

Analyzing Stock Movements using Markov Chains and Monte Carlo Simulation

database desktop-application java markov-chain monte-carlo-simulation random-walk stock-market

Last synced: 09 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/dzikoysk/linuxenv

Modify JVM environment variables on Linux at runtime

environment-variables java jni jvm ld-library-path linux maven native

Last synced: 28 Oct 2025

https://github.com/harshkapadia2/jdbc_librarymanagementsystem

A JDBC project using Netbeans IDE (Java) and MySQL.

java jdbc mysql netbeans

Last synced: 21 Apr 2025

https://github.com/ethlo/zally-maven-plugin

OpenAPI specification linter Maven plugin, supporting pluggable rules via Zally. Requires no additional dependencies or services.

api java json linter maven-plugin openapi

Last synced: 22 Apr 2025

https://github.com/jourquin/nodus

Transportation network modeling software designed for multimodal and intermodal freight transport

assignment gis intermodal-freight-transport java modal-choice multimodal-freight-transport network-models networks nodus

Last synced: 26 Jan 2026

https://github.com/brcolow/java-dx12

DirectX12 in Java with Project Panama

directx12 java jextract panama

Last synced: 04 Mar 2026

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/56duong/real-time-chat-websocket-angular-spring-boot

A real-time chat app offering individual and group chats, including chat color customization and group management. Users can log in, manage members, view active users, track unseen messages, and upload avatars.

angular chat-application java mysql real-time sockjs-client spring-boot web-socket

Last synced: 29 May 2026

https://github.com/tananaev/smpp-server-android

SMPP server Android app

android java smpp

Last synced: 27 Aug 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

https://github.com/seyed0123/oxdcommod

an online shop simulator amazonclone

amazonclone captcha filesaver java javafx

Last synced: 10 Sep 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/robvanderleek/jlifx

LIFX control utility in Java

java lifx

Last synced: 07 May 2025

https://github.com/thehyve/podium

Podium request portal for biobanks

biobanking java microservices podium request-portal

Last synced: 29 Oct 2025

https://github.com/quick-perf/quickperf-live

Ease your work on Spring Boot applications: quickly generate functional non-regression tests, diagnose performance and generate non-regression tests on performance-related properties.

allocation java n-plus-1 nplus1 performance performance-metrics performance-monitoring spring spring-boot test-automation test-generation test-generator testing-tools

Last synced: 19 Mar 2025

https://github.com/eeeeeric/mpc-hc-api

Java library for controlling MPC-HC over a network

java mpc-hc

Last synced: 13 Apr 2025

https://github.com/islamdidarmd/adblockerwebview

A WebView that can block basic ads. Very Easy to setup for Android Projects.

adblock adblocker android gradle java kotlin ui webview

Last synced: 13 Jul 2025

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/sondosaabed/palestine-cities-map

Find shortest paths between Palestinian cities using A* or Greedy BFS algorithms. Note: Heuristic values may not be accurate for the showcased 15 cities. 🇵🇸

a-star-algorithm country-map greedy greedy-best-first-search java javafx-application map palestine-map pathfinding

Last synced: 09 Sep 2025

https://github.com/op-ted/efx-toolkit-java

This is an EFX translator written in Java. It supports multiple target languages. It includes an EFX expression translator to XPath. It is used to in the generation of the Schematron rules in the eForms SDK.

antlr4 eforms java library transpiler xpath

Last synced: 11 Jan 2026

https://github.com/admin4j/admin4j-json

JSON 适配器工具类。适配各大框架 fastjson,fastjson2,jackson,gson等

fastjson fastjson2 gson jackson java json

Last synced: 18 Apr 2025

https://github.com/virgilsecurity/virgil-e3kit-kotlin

E3Kit is a security framework that simplifies work with Virgil services and presents the easiest way to add full end-to-end security to your chat application to become HIPAA and GDPR compliant and more.

e3kit encryption encryption-for-unregistered-users end-to-end-encryption gdpr group-encryption hipaa java kotlin multi-device pki post-quantum-cryptography pqc sdk secure-the-future stream-encryption

Last synced: 09 May 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/jgperrin/net.jgp.books.spark.ch14

Spark in Action, 2nd edition - chapter 14 - extending data transformation with UDFs

apache-spark java java8 manning spark sparkwithjava udf

Last synced: 18 Jul 2025

https://github.com/AoElite/claude4j

A very simple java library to interact with Claude's API

anthropic anthropic-claude claude claude-3 claude-ai claude-api java library

Last synced: 09 May 2025

https://github.com/sofianehamlaoui/burp-addons

Burp-Addons : Some of Burp Addons I use ( Mindak ak fahem )

burpsuite cybersecurity hacking hamlaoui jar java python sofiane sofianehamlaoui

Last synced: 08 May 2025

https://github.com/qaf-tm/qaf-step-by-step-tutorial

qaf getting started tutorial provides step by step exercise for automation using selenium webdriver and appium

appium bdd getting-started java qaf selenium tutorial webdriver

Last synced: 13 Jul 2025

https://github.com/bartlomiejzuber/rapidmsgconverter

Java app for quick converting .msg files to .pdf files

java msg-converter msg-files pdf-generation

Last synced: 07 May 2025

https://github.com/julxxy/multiple-sms-spring-boot

Multiple SMS Templates & Multiple SMS Providers for spring-boot, You can easily use multiple-sms-spring-boot-starter to send SMS for users by @SMS annotation and SmsTemplat in you projects.

java sms spring-boot spring-boot-starter

Last synced: 11 Jan 2026

https://github.com/yhs0602/unzip-corrupt

Unzip ANY zip files that couldn't have been extracted because of corruptions, etc! (In my case for 4 month for a corrupt 2GB zip file)

android android-application corruption file fix java zip

Last synced: 26 Mar 2025

https://github.com/raptorbox/raptor

Raptor IoT platform

iot java mqtt mqtt-broker raptor

Last synced: 12 Apr 2025

https://github.com/omajid/xdg-java

Java bindings for various FreeDesktop.org standards

freedesktop java xdg

Last synced: 01 May 2025

https://github.com/harshitrv/java-programs

List of java programs made during learning java.

awt-gui java jdbc jsp swing swing-gui

Last synced: 10 Apr 2025

https://github.com/eclipse-platform/eclipse.platform.debug

Eclipse Platform Debug functionality

debug eclipse ide java

Last synced: 04 May 2025

https://github.com/mutasimali/wifi-car-control

arduino - android tcp client - wifi car https://opooq.com

android android-tcp-client arduino controller java wifi wifi-car-control

Last synced: 10 Jan 2026

https://github.com/yuvalpinter/liveqaserverdemo

Demo server for TREC LiveQA competition

java qa question-answering shared-task trec

Last synced: 17 Mar 2025

https://github.com/mohitjaisal/codingbooks

As you begin your path on becoming a coding specialist it is always pleasant to find good sources of information. Many computer languages might be tricky to learn at the beginning so you need reliable references to double-check your mistakes and learn how to not make them again.

books c coding coding-interview codingbooks cpp hacktober hacktoberfest hacktoberfest-accepted hacktoberfest2021 java python

Last synced: 12 Oct 2025

https://github.com/jhg023/bitbuffer

A data type similar to ByteBuffer, but can read/write bits as well as bytes to improve throughput and allow for optional compression.

bitbuffer bits bitwise bitwise-arithmetic bitwise-operators buffer bytebuffer java java-11

Last synced: 10 Apr 2025

https://github.com/binaryb3ast/playsho

Transform your movie nights into a cinematic experience with PlaySho, an Android app built with Kotlin! Collaborate with friends to watch a single video together, regardless of their location. Utilize the virtual cinema feature, generate a shared stream link, and enjoy synchronized playback for an immersive movie-watching experience.

android exoplayer java retrofit2 socket-io stream

Last synced: 10 Oct 2025

https://github.com/currenjin/alexandria-playground

📚 모든 지식을 한곳에 모은 거대 도서관이자 연구소

examples java learning-test spring-boot springboot tdd tdd-java test test-driven-development testing tests

Last synced: 13 Jul 2025

https://github.com/29dch/walking-the-maze

走迷宫问题的算法可视化(UI)及迷宫生成

bfs dfs java queue recursive stack swing

Last synced: 12 Oct 2025

https://github.com/epicestudar/poo-2semestre-2023-senai

repository intended for object-oriented programming of the Senai DEV course.

awt backend gui java layouts poo projects swing

Last synced: 28 Apr 2025

https://github.com/papermc/asm-utils

Library for redirecting Java bytecode & reflection calls using ASM

asm java reflection

Last synced: 26 Apr 2025

https://github.com/3urobeat/pingplugin

🔌 A Minecraft plugin that tells you your or the ping of another player in ms to the server. Thats it. [Bukkit/Spigot - Supports 1.20]

bukkit bukkit-plugin java minecraft minecraft-plugin minecraft-server ping plugin spigot spigot-plugin

Last synced: 13 Oct 2025