web development for the rest of us

100+ AI Agents, Agent Skills and RAG Apps - Free and Open Source.

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cu

12 weeks, 26 lessons, 52 quizzes, classic Machine Learning for all

Python tool for converting files and office documents to Markdown.

Master programming by recreating your favorite technologies from scratch.