A free, MIT-licensed course of 542 lessons on AI engineering, implementing model internals, retrieval, and agent runtimes from scratch.
A curated Chinese-language guide to free, ad-free sources for watching TV shows and movies, with availability checked daily.
A curated list of free system design learning materials and interview preparation problems and concepts.
A free Vibe Coding course that teaches beginners to build and launch AI-assisted products from plain-language descriptions.
A free Chinese-language 100-day Python course, from basics to advanced topics, with lessons and code examples.
A curated list of LLM APIs that offer permanent free tiers for text inference, with base URLs, models, and rate limits.
A free, self-paced computer science curriculum assembled from online courses and books, modeled on undergraduate CS degree requirements.
A free, cohort-based course teaching ML engineering: training models, exposing them via APIs, and deploying with Docker, Kubernetes, and AWS Lambda.