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/eeeeeric/mpc-hc-api

Java library for controlling MPC-HC over a network

java mpc-hc

Last synced: 13 Apr 2025

https://github.com/tericcabrel/smartcard-with-fingerprint-auth

Stores user information in a smart card and authenticates with the fingerprint stored in the smart card

csharp java javacard rabbitmq sping-boot spring-mvc thymeleaf websocket

Last synced: 14 Jul 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/sschuberth/parandroid

The first demoscene production for the Android platform.

android demoscene java opengl

Last synced: 19 Mar 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/web3labs/quorum-sample

Sample Token Project for Quorum

blockchain ethereum java java8 quorum web3j

Last synced: 10 May 2025

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/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/aerisweather/aerisandroidsdk

AerisWeather Android SDK Demo App

android java kotlin maps weather

Last synced: 11 Jan 2026

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/respresso/respresso-client-android

Save development time! Respresso automatically transforms and delivers your digital assets into your projects

android android-development designer developer-tool digital-asset-management gradle java kotlin resource-management respresso synchronization translator

Last synced: 11 Jan 2026

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/yupiik/tools-maven-plugin

An Apache Maven plugin set of tools.

java maven pdf site tool

Last synced: 13 Apr 2025

https://github.com/refinedmods/rangedpumps

Ranged Pumps is a simple mod that adds a pump that pumps liquids in a range.

forge forge-mod java minecraft minecraft-mod mod neoforge neoforge-mod rangedpumps

Last synced: 10 Aug 2025

https://github.com/0x4e0x650x6f/pwn4jshell

Java Web shell project

java webshell

Last synced: 11 May 2025

https://github.com/igrishaev/jsam

A lightweight, zero-deps JSON parser and writer

clojure java json

Last synced: 05 Mar 2026

https://github.com/therealayce/ubisoftconnect-win7fix

This is a proxy application to fix Ubisoft's channel-service not supporting any cipher suites for Windows 7, so that chat, groups and multiplayer invites work again.

chat csharp groups invite java multiplayer tls tls12 ubisoft-connect uplay windows-7

Last synced: 27 Oct 2025

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/sangam14/JavaLabs

The Ultimate JavaLabs For All #java Developer

applet class example-project java objects serverlet

Last synced: 03 Mar 2026

https://github.com/xendit/xendit-java

Xendit REST API Client for Java - Card, Virtual Account, Invoice, Disbursement, Recurring Payments, Payout, EWallet, Balance, Retail Outlets Services

balance card disbursement ewallet hacktoberfest invoice java payment payment-gateway payout recurring-payments retail-outlet virtual-account xendit

Last synced: 01 Feb 2026

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/annimon/hotarufx

Programming language for creating animations

animation java javafx programming-language

Last synced: 16 Oct 2025

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/krysztal112233/agrarianrevolution

New adventure of agriculture.

fabricmc java minecraft

Last synced: 19 Oct 2025

https://github.com/apache/pulsar-java-contrib

Contributor repository for code samples, plugins and libraries in Java for Apache Pulsar

apache-pulsar java pulsar

Last synced: 16 Mar 2026

https://github.com/maxim-saplin/mandelbrot

Microbenchmark testing Python, Numba, Mojo, Dart, C/gcc, Rust, Go, JavaScript, C#, Java, Kotlin, Pascal, Ruby, Haskell performance in Mandelbrot set generation

bun c csharp dart dotnet flutter gcc golang haskell java javascript kotlin mojo node nodejs numba pascal python ruby rust

Last synced: 26 Oct 2025

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/apache/servicemix-utils

Mirror of Apache Servicemix utils

java network-client network-server osgi scala servicemix xml

Last synced: 25 Aug 2025

https://github.com/zhoushengsheng/ci6226-ira-g14

Assignment for CI6226 Information Retrieval & Analysis at NTU in Singapore.

java lucene search-engine spring-boot

Last synced: 16 Jan 2026

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/binance/binance-toolbox-java

Toolbox for Binance Java Connector

binance binance-api java toolbox

Last synced: 15 Apr 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/weasley-j/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: 26 Mar 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/nsiatras/pdf-compressor

PDF File Compression Software

compression ghostscript java pdf

Last synced: 13 May 2025

https://github.com/abstracta/jmeter-java-dsl-sample

jmeter-java-dsl simple sample maven project

java jmeter performance performance-testing

Last synced: 25 Jun 2026

https://github.com/hncboy/leetcode

LeetCode

algorithm java leetcod

Last synced: 30 Apr 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/apache/sling-org-apache-sling-engine

Apache Sling Engine Implementation

java sling

Last synced: 06 Apr 2025

https://github.com/anfractuosity/lsd

A Java port of the Line Segment Detector algorithm

java line-segmentation lsd segment-detector-algorithm

Last synced: 13 May 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/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/ayeujjawalsingh/cheat-sheet

Here is the Some Cheat-Sheet, through which you can easily Revise your knowledge......

canvas cheatsheet cpp css django flask html5 java javascript jquery mysql php python sql

Last synced: 25 Aug 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/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/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/bsayli/spring-boot-openapi-generics-clients

End-to-end generics-aware OpenAPI clients with a single canonical {data, meta} contract and RFC 9457 Problem Details — built on Spring Boot 3.5 and Java 21.

api-client code-generation generics httpclient5 java mustache-templates openapi openapi-3 openapi-3-1 openapi-generator problem-details problem-details-for-http-apis restclient spring-boot-3 springdoc swagger

Last synced: 14 Feb 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/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/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/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/zengfr/easymqtt4j

easymqtt4j , netty +mqtt +subscriber+ publisher +broker+cluster server for java

broker cluster-server easymqtt4j java message-broker message-bus message-queue messaging mqtt netty publisher subscriber

Last synced: 16 Oct 2025

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/xeraa/mongouk2011

MongoUK2011 presentation on Morphia

java mongodb morphia

Last synced: 11 Oct 2025

https://github.com/thibaudcolas/d4

D4 is a Datalift module to visualize RDF DataCube data. Built with Bootstrap, D3 and CoffeeScript.

d3 datacube datalift java rdf sparql

Last synced: 12 Oct 2025

https://github.com/sergey-melnychuk/distributed-algorithms

Implementation of classic distributed algorithms: membership, failure detection, quorum, replication etc.

consensus distributed-hash-table distributed-systems fault-tolerance java membership peer-to-peer quorum replication

Last synced: 19 Jan 2026

https://github.com/nithanim/quarkus-dynamodb-enhanced

Quarkus extension that makes the aws dynamodb enhanced client compatible with quarkus and native-image.

aws-dynamodb aws-sdk-java-v2 dynamodb java quarkus

Last synced: 23 Oct 2025

https://github.com/fiqryq/movie

🎥 Aplikasi android sederhana menggunakan retrofit2 dan api themoviedb.

api java movie retrofit themoviedb

Last synced: 10 Oct 2025

https://github.com/gongoliers/library-of-gongolierium

A simple Java library for FRC to develop more complex programs with less code

first-robotics-competition frc java

Last synced: 24 Oct 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

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/u014427391/lexer1.1.0

Java编写的C语言词法分析器,Java编写的C语言词法分析器 120号为关键字,用下标表示,i+1就是其机器码; 2140号为操作符,用下标表示,i+21就是其机器码; 41~60号为分界符, 用下标表示,i+41就是其机器码; 用户自定义的标识符,其机器码为51; 常数的机器码为52; 不可以识别的标识符,其机器码为0 选择打开按钮,选择文件所在的路径,单击打开,分析器会获取文件的内容,并将其复制到文本域里,本词法分析器就可以对文本域里的内容进行剪切复制黏贴和清除等编辑操作

java

Last synced: 26 Oct 2025

https://github.com/robert076/ubb-computer-science

The courses I took at UBB during my Bachelor's in Computer Science. A collection of my assignments, exams, projects, labs, lecture notes, and preparation materials for them, including extra work.

assembly cpp java lisp prolog python ubb ubb-cluj ubb-computer-science ubb-fmi

Last synced: 09 Oct 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/3urobeat/nopeacefulplugin

🔌 A Minecraft plugin to block users from running '/difficulty peaceful' to prevent mobs from despawning. [Bukkit/Spigot - Supports 1.20]

bukkit difficulty java minecraft minecraft-plugin minecraft-server plugin spigot spigot-plugin

Last synced: 13 Oct 2025

https://github.com/hidroh/numeric-edittext

A numeric EditText widget for Android

android java library

Last synced: 26 Oct 2025

https://github.com/relvaner/actor4j

Actor4j is a multi-runtime actor-oriented Java framework. Extended libraries.

actor-model actor4j actors java java-21 libraries

Last synced: 23 Jul 2025

https://github.com/pozil/pub-sub-api-java-client

A sample Java gRPC client for the Salesforce Pub/Sub API

avro grpc java pubsub salesforce

Last synced: 14 May 2025

https://github.com/hoangtran0410/smartphone_store_manage_java

Phần mềm Java quản lý, mua bán smartphone ...

java manager mysql-database phone

Last synced: 31 Jul 2025

https://github.com/kennedyoliveira/ultimate-pastebin-intellij-plugin

Ultimate IntelliJ IDEA Plugin, PasteBin Plugin for IntelliJ

intellij java open-source pastebin pastebin-plugin pastebin-service

Last synced: 27 Jul 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/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/eternalstone/easycaptchaboot

基于EasyCaptcha实现的Java图形验证码,支持gif、中文、算术等类型。解决了该项目存在的一些issues和问题,扩展了springboot-starter包,支持SpringBoot2.x和SpringBoot3.x,支持jdk8、jdk11、jdk17

captcha java springboot springboot3

Last synced: 23 Aug 2025

https://github.com/jain131102/neocolab

CSE3004_Design and Analysis of Algorithms Lab_ NEOCOLAB

daa java neocolab vit

Last synced: 02 Aug 2025

https://github.com/astavie/from-the-ground-up

A Minecraft mod that adds research

ftgu java minecraft minecraftforge mod

Last synced: 27 Sep 2025

https://github.com/xzel23/cabe

Inject null-checks into Java-code

bytecode instrumentation java jspecify null-check null-safe nullability

Last synced: 25 Jan 2026

https://github.com/picadoh/stocks-api

Simple Stocks Spring Boot Application

example java spring spring-boot

Last synced: 07 May 2025

https://github.com/songwo-153/Springboot-Smart-Teaching-Recommendation-system

基于Springboot的智慧教学平台的系统设计与实现(智慧教学推荐系统),可以进行学习分析和个性化推荐,系统可以根据学生的学习行为和表现进行分析,生成学习分析报告。根据学生的学习情况和需求,系统可以提供个性化的学习推荐和建议,推荐适合的课程和教学资源推荐(根据用户点击量或浏览量推荐)。

collaborative-filtering html java mybatis mysql recommendation-algorithm springboot vue

Last synced: 06 May 2025

https://github.com/manoelcampos/poo-java

Programação Orientada a Objetos em Java: uma abordagem didática utilizando a ferramenta BlueJ ☕️🧩

bluej course ebook gitbook java object-oriented-programming poo

Last synced: 04 Apr 2025

https://github.com/safnaj/ibazar-android-app

E-Commerce Android Application Developed in Java Using Android Studio. Google Firebase used for Backend.

android android-app google-firebase java uiux

Last synced: 03 Sep 2025