ashishps1 / awesome-low-level-design

Learn Low Level Design (LLD) and prepare for interviews using free resources.

YunaiV / ruoyi-vue-pro

🔥 官方推荐 🔥 RuoYi-Vue 全新 Pro 版本，优化重构所有功能。基于 Spring Boot + MyBatis Plus + Vue & Element 实现的后台管理系统 + 微信小程序，支持 RBAC 动态权限、数据权限、SaaS 多租户、Flowable 工作流、三方登录、支付、短信、商城、CRM、ERP、MES、IM、AI 大模型、IoT 物联网等功能。你的 ⭐️ Star ⭐️，是作者生发的动力！

termux / termux-api

Termux add-on app which exposes device functionality as API to command line programs.

kunal-kushwaha / DSA-Bootcamp-Java

This repository consists of the code samples, assignments, and notes for the Java data structures & algorithms + interview preparation bootcamp of WeMakeDevs.

FIRST-Tech-Challenge / FtcRobotController

FTC Android Studio Workspace for robot programming in Android Studio

doocs / leetcode

🔥LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer（第 2 版）》、《程序员面试金典（第 6 版）》题解

binarywang / WxJava

微信开发 Java SDK ，支持包括微信支付，开放平台，小程序，企业微信，视频号，公众号等的后端开发

TimefoldAI / timefold-solver

The open source Solver AI for Java and Kotlin to optimize scheduling and routing. Solve the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning problems.

apache / beam

Apache Beam is a unified programming model for Batch and Streaming data processing.

microsoft / Generative-AI-for-beginners-java

Learn Generative AI fundamentals through Java programming.

apple / pkl

A configuration as code language with rich validation and tooling.

lilishop / lilishop

Java 开源商城系统，基于 Spring Boot / Spring Cloud / Vue / Uniapp 的 B2B2C 多商户商城源码，支持小程序商城、微服务、分销、直播、秒杀、Docker 私有化部署。

dromara / liteflow

Lightweight, fast, stable, programmable component-based rule engine — where AI Agents orchestrate just like ordinary components. Uniquely designed DSL: component reuse, sync/async & dynamic orchestration, multi-language scripting, nested rules, hot deployment and smooth refresh. If you can orchestrate LiteFlow, you can orchestrate AI.

processing / processing4

Source code for Processing, the software sketchbook and Java-based programming language for students, artists, designers, educators, hobbyists, and creative coders. Includes the core library, and editor (PDE)

beehive-lab / TornadoVM

Write Java. Run on GPUs. Fast.

jplag / JPlag

State-of-the-Art Source Code Plagiarism & Collusion Detection. Check for plagiarism in a set of programs.

soot-oss / SootUp

A new version of Soot with a completely overhauled architecture

checkstyle / checkstyle

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.

ls1intum / Artemis

Artemis - Interactive Learning with Automated Feedback

clojure / clojure

The Clojure programming language

resilience4j / resilience4j

Resilience4j is a fault tolerance library designed for Java8 and functional programming

vavr-io / vavr

vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

objectionary / eo

EOLANG, an Experimental Pure Object-Oriented Programming Language Based on 𝜑-Calculus

hivemq / hivemq-mqtt-client

HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support

smallrye / smallrye-mutiny

An Intuitive Event-Driven Reactive Programming Library for Java

TimefoldAI / timefold-quickstarts

Get started with Timefold quickstarts here. Optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning problems.

Samarth-programming / PixelReel

this is a minecraft mod where you can watch Jellyfin, Emby, Plex, and Tunarr content on tv and movie theatre screens.

smithy-lang / smithy

Smithy is a protocol-agnostic interface definition language and set of tools for generating clients, servers, and documentation for any programming language.

itext / itext-java

iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.

jar-analyzer / jar-analyzer

Jar Analyzer - 一个 JAR 包 GUI 分析工具，内置 AI 助手协助分析，支持 JAR DIFF 分析，方法调用关系搜索，方法调用链 DFS 算法分析，模拟 JVM 的污点分析验证 DFS 结果，字符串搜索，Java Web 组件入口分析，CFG 程序分析，JVM 栈帧分析，自定义表达式搜索等

INRIA / spoon

Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.

oldratlee / fucking-java-concurrency

🎏 Simple showcases of java concurrency problems, seeing 🙈 is believing 🐵

microsoft / mssql-jdbc

The Microsoft JDBC Driver for SQL Server is a Type 4 JDBC driver that provides database connectivity with SQL Server through the standard JDBC application program interfaces (APIs).

wyvernlang / wyvern

The Wyvern programming language.

bengtmartensson / IrScrutinizer

IrScrutinizer is a program for IR signal analysis, decoding, generation and much more.

Netflix / jfmt

Formatter for the Java programming language

NHCM-dev / JVMRTDP

A Java debugger & library which allows user and programmer to control remote JavaVMs

ironwood-lang / ironwood

Ironwood is an ahead-of-time compiled, object-oriented language for high-performance native applications. It preserves the familiar Java syntax, object model, and everyday APIs that Java developers already know, while producing optimized native executables with no JVM, JIT, or garbage collector.

ReactiveX / RxJava

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

junit-team / junit-framework

✅ The programmer-friendly testing framework for Java and the JVM

SPLWare / esProc

esProc SPL is a JVM-based programming language designed for structured data computation, serving as both a data analysis tool and an embedded computing engine.

jbangdev / jbang

Unleash the power of Java - JBang Lets Students, Educators and Professional Developers create, edit and run self-contained source-only Java programs with unprecedented ease.

Java-Edge / Java-Concurrency-Progamming-Tutorial

大厂一线工程师四年磨一剑精心编排 Java 高并发编程教程。详细文档讲解请阅读本人的知识库仓：https://github.com/Wasabi1234/Java-Interview-Tutorial

mybatis / mybatis-dynamic-sql

SQL DSL (Domain Specific Language) for Kotlin and Java. Supports rendering for MyBatis or Spring JDBC Templates

jenetics / jenetics

Jenetics - Genetic Algorithm, Genetic Programming, Grammatical Evolution, Evolutionary Algorithm, and Multi-objective Optimization

wala / WALA

T.J. Watson Libraries for Analysis, with front ends for Java, Android, and JavaScript, and many common static program analyses.

spring-projects / spring-amqp

Spring AMQP - support for Spring programming model with AMQP, especially but not limited to RabbitMQ

structr / structr

ATTENTION: This repository is a clone of https://gitlab.structr.com/structr/structr. All development/issue tracking has moved there. | Structr is an integrated open-source low-code development and runtime environment that uses a graph database (Neo4j).

chocoteam / choco-solver

An open-source Java library for Constraint Programming

sudheerj / datastructures-algorithms

List of Programs related to data structures and algorithms

entropy-cloud / nop-entropy

Nop Platform 2.0 is a next-generation low-code development platform built from scratch based on the principles of reversible computation, adopting a language-oriented programming paradigm. It includes a suite of fully designed engines such as a GraphQL engine, ORM engine, workflow engine, reporting engine, rule engine, and batch processing engine,

risesoft-y9 / DataFlow-Engine

数据流引擎是一款面向数据集成、数据同步、数据交换、数据共享、任务配置、任务调度的底层数据驱动引擎。数据流引擎采用管执分离、多流层、插件库等体系应对大规模数据任务、数据高频上报、数据高频采集、异构数据兼容的实际数据问题。

javadev / underscore-java

java port of Underscore.js

jcabi / jcabi-aspects

Collection of AspectJ Java Aspects to facilitate aspect-oriented programming patterns: logging, caching, validating, etc.

optimatika / ojAlgo

Pure Java LP, QP and MIP solvers plus fast linear algebra. Zero dependencies, MIT licensed. Mathematical optimization and linear algebra for the JVM.

PandaBung / aion-2-beta-program-tools

AION 2 Beta Program 2026: Playtest the Next Era of Atreia and Shape Its Future

manifold-systems / manifold

Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.

spring-projects / spring-integration

Spring Integration provides an extension of the Spring programming model to support the well-known Enterprise Integration Patterns (EIP)

SkriptLang / Skript

Skript is a Paper plugin which allows server admins to customize their server easily, but without the hassle of programming a plugin or asking/paying someone to program a plugin for them.

valkey-io / valkey-glide

An open source Valkey client library that supports Valkey, and Redis open source 6.2, 7.0 and 7.2. Valkey GLIDE is designed for reliability, optimized performance, and high-availability, for Valkey and Redis OSS based applications. GLIDE is a multi language client library, written in Rust with programming language bindings, such as Java and Python