java

:gem: Cheat sheet to prep for technical interviews.

A Java library for generating Time-Sorted Unique Identifiers (TSID).

:sparkles: Open source online judge system (based on Microservice). SDUOJ 开源在线评测系统（基于微服务架构）。开源社区QQ群 808751832。示例网站 https://demo.sduoj.com

Naive performance comparison of a few programming languages (JavaScript, Kotlin, Rust, Swift, Nim, Python, Go, Haskell, D, C++, Java, C#, Object Pascal, Ada, Lua, Ruby)

Bnd/Bndtools. Tooling to build OSGi bundles including Eclipse, Maven, and Gradle plugins.

springboot编写的高性能分布式mmorpg手游服务端框架，包含中心服，网关服，游戏服，战斗服等。

Common Exploitation Techniques for Java RCE Vulnerabilities in Real-World Scenarios | 实战场景较通用的 Java Rce 相关漏洞的利用方式

java port of Underscore.js

How to idiomatically structure a large build with Gradle 8 or Gradle 9

This is a fork of cuchaz's Enigma, a deobfuscation/remapping tool for Java software.

TDA - Thread Dump Analyzer (for Java). Analyze your Thread Dumps with a GUI or use it as MCP Server.

Empty projects for different languages with a failing test

Hprose is a cross-language RPC. This project is Hprose 2.0 for Java

🎉校园博客，基于微服务架构且前后端分离的博客社区系统。项目后端技术栈：JDK17+SpringBoot + SpringCloud + Mybatis-Plus + Nacos + MySQL + Redis + MQ + ElasticSearch + Docker。前端主要是基于Vue2和ElementUI进行开发的。

Java ffmpeg and ffprobe command-line wrapper

A java library for implementing Time-based One Time Passwords for Multi-Factor Authentication.

🟣 Java interview questions and answers to help you prepare for your next technical interview in 2026.

🧱 「Java学习」一份涵盖大部分Java程序员所需要掌握的核心知识。JDK 源码分析 & Java 新特性 & Java 并发编程 & Java 虚拟机 & SpringBoot 2.x 系列

A thin Java wrapper to access the Steamworks API

Protocol for IDEs and build tools to communicate about compile, run, test, debug and more.

Open source local-first PR scanner that finds dead code, security bugs, secrets, quality regressions, and AI-code mistakes before merge. For first timers refer to https://duriantaco.github.io/skylos/repo-map/

An Android app that allows you run aria2 on your device

Capture user input in Minecraft through an anvil GUI in under 20 lines of code

Identifies and prioritizes God Classes, Highly Coupled classes, and Class Cycles in Java codebases you should refactor first.

Command framework & dispatcher for the JVM

This library provides an Ant task and a Maven plugin to create Debian packages from Java builds in a truly cross platform manner.

Principled code generation from OpenAPI specifications

The OWASP Java Encoder is a Java 1.5+ simple-to-use drop-in high-performance encoder class with no dependencies and little baggage. This project will help Java web developers defend against Cross Site Scripting!

(UNMAINTAINED) inspectIT is the leading Open Source APM (Application Performance Management) tool for analyzing your Java (EE) applications.

A curated list of resources related to the Java annotation processing API (JSR 269)