Java projects

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现

An all-in-one web-based toolkit for editing and converting PDF files

Free and Open Source, Distributed, RESTful Search Engine

An open source identity and access management platform with SSO

An event-driven orchestration and workflow platform for data pipelines

A self-hosted Git server with integrated CI, issues, and kanban boards

A centralized tool for managing SSH, containers, and remote dev environments

A scalable web crawler framework for Java.

A platform for continuous code quality and security analysis

Multi-platform SDK for integrating GitHub Copilot Agent into apps and services