Best open-source Markdown projects

Free domain registration service with multiple extensions, plus a DNS and website learning guide, documented in this repository.

A curated Markdown list of English-speaking YouTube channels that teach programming, web development, machine learning, cybersecurity and other tech topics.

A collection of agent skills for building better UI, covering accessibility, layout, typography, color, writing and UI polish.

A non-official Chinese learning handbook for the Pi Coding Agent terminal harness, covering setup through Skills, Extensions, Subagents and long-running workflows.

A collection of agent skills that teach AI coding assistants animation, UI design and frontend craft rules drawn from the author's experience at Vercel and Linear.