Tools

Free PDF textbooks covering primary, middle, high school, and university levels. Open-source educational resources hosted on GitHub.

Unofficial Bitwarden-compatible server written in Rust with minimal resource usage. Compatible with all official clients, ideal for self-hosted password management.

A TypeScript text measurement and layout library by Cheng Lou, supporting precise single-line/multi-line text dimension calculation and rich text layout without DOM rendering, achieving sub-pixel accuracy.

Self-hosted game streaming server compatible with Moonlight clients. Supports NVIDIA/AMD/Intel hardware encoding across Windows, Linux, and macOS.

Universal proxy platform supporting Shadowsocks, VMess, Trojan, Hysteria, WireGuard and more. One binary handles all your proxy needs.

Open-source ebook management tool supporting virtually all ebook format conversions, Kindle push, metadata management, and library organization.

VS Code extension providing a multi-role AI agent team for architecture design, code review, test generation, and autonomous task execution.

MaxKB is an open-source enterprise-grade agent platform supporting RAG knowledge bases, multi-model integration, and visual workflow orchestration to help businesses quickly build AI Q&A systems and customer service agents.

An open-source screen recording tool built with Tauri + Rust, positioning itself as a Loom alternative. Features one-click recording, instant sharing, local-first storage, and clean share pages.

Unofficial revival of the legendary .NET debugger and assembly editor, supporting decompilation, live debugging, and on-the-fly code patching.

A human-centered web agent research prototype from Microsoft Research, built on the AutoGen framework with visual browser automation.

Java annotation processor that generates type-safe bean mapping code at compile time with zero reflection overhead. Supports nested objects, collections, and Java Records.

A lightweight Java micro-framework and utility collection with zero dependencies, covering HTTP client, JSON parser, IOC container, HTML parser, and more. Use only what you need.

A curated definitive list of the best open-source consumer software, featuring 807 quality projects across 88 categories including AI, media, security, and productivity, each tagged with risk alerts, platform support, and highlight badges.

A curated learning resource on search engine principles by Wang Shusen, covering retrieval models, learning to rank, and indexing architecture. Ideal for developers and algorithm learners who want to understand how search engines work under the hood.

A zero-annotation-intrusion Java API documentation generator based on source code analysis, supporting HTML, Markdown, Postman, OpenAPI, and more.

An AI skill for Claude Code and OpenClaw that recommends from 10,000+ Nano Banana Pro (Gemini) image generation prompts. Features smart search by use case, content remix mode, and sample image previews.

A graphical macOS application for the Inject framework, providing a native SwiftUI interface to simplify application injection workflows without requiring command-line operations.

A JavaScript standard data structure library benchmarking against C++ STL. Supports priority queues, red-black trees, deques, ordered sets, and more advanced structures for algorithm competitions and real-time data processing.

A JavaScript automation script collection for Qinglong panel focused on JD.com tasks, including asset queries, CK validation, enhanced notifications, price protection, and parallel task execution.

A Shell-based Claude development environment with integrated code review, security analysis, and AI agents that makes Claude truly act like your technical co-founder.

A Bootstrap and Material Design-inspired LuCI theme for OpenWrt and Alpha OS, bringing a modern facelift to router admin panels with mobile responsiveness.

An open-source all-in-one whiteboard built on the Plait plugin architecture. Supports mind maps, flowcharts, freehand drawing, Markdown-to-mind-map conversion, and Mermaid syntax for flowcharts. Self-hostable with PNG and .drawnix export.

A lightweight Certificate Authority CLI tool for homelab and small-office environments, featuring age-encrypted private keys, hardware token support, and automated deployment.

A Java + Eclipse based Android GPS location spoofing tool that uses system-level debug APIs to fake location without root access, featuring Baidu Maps integration for visual point selection.