An open, structured graph of 1,616 primary-school micro-topics with prerequisite dependencies and curriculum standards alignment.
A free Vibe Coding course that teaches beginners to build and launch AI-assisted products from plain-language descriptions.
An open, bilingual Chinese-language book-guide on lifelong learning in the AI era, covering English study, AI learning, real projects, and personal recovery.
A local, distraction-free desktop word processor for writing novels, with a bookshelf library and manuscripts formatted like books as you type.