A comprehensive guide to system design, helping you ace big tech interviews with included flashcards.

A comprehensive Java interview and backend development guide covering basics, architecture, and AI apps to help you ace interviews and get promoted.

A repository collecting system prompts and model info for popular AI tools like Cursor and Devin, helping developers optimize their AI usage.

A development framework that connects large models to databases, tools, and external systems, allowing you to quickly build AI applications without reinventing the wheel.

A Microsoft open-source Python tool that quickly converts common files like PDF, Word, and Excel to Markdown, specifically designed for AI model consumption.

A GitHub repository with 100+ ready-to-run AI app templates, helping you quickly build chatbots, document analysis tools, and more without coding from scratch.

Union is a secure bridge connecting different blockchains, using zero-knowledge proofs to transfer assets and data without trusting third parties.

A tool that makes AI coding smarter about design, helping you generate professional UI styles and design systems quickly.

A collection of Markdown design specs from popular websites, helping you tune AI coding assistants to generate interfaces that match brand styles directly.

A free debugging tool designed for Windows to help you analyze software without source code, suitable for virus scanning or studying internal program principles.

Leaflet is a lightweight open-source JavaScript library that helps you easily create interactive maps on web pages, working on both mobile and desktop without fees.

A Windows desktop utility that displays network speed, CPU, and memory usage in a floating window, with skin support.

A free and open-source screen recorder that creates product demo videos with zoom effects like Screen Studio, without watermarks and free for commercial use.

A cross-platform framework by Microsoft that lets you write code once in C# and deploy to both mobile and desktop devices.

An open-source context database for AI agents, managing memory, resources, and skills like files to make AI smarter.

This is a mobile UI component library based on Vue.js and WeChat WeUI style, helping you quickly build mini-programs or H5 pages that look like native WeChat apps.

This is a modern notepad for Windows with a beautiful interface and fast startup. It supports multi-tabs and Markdown preview, better than the built-in one, lighter than VS Code, open source and free.

A C++ library that gives your terminal apps a beautiful interface with menus, buttons, and animations, making command-line tools less boring.

A Swagger toolkit designed for Go, automatically generating server, client code, and documentation from API specs to boost development efficiency.

A full-stack low-code web framework built with Python and JavaScript, ideal for rapidly developing enterprise applications and internal management systems with built-in admin and permissions.