Thousands of hours of coding lessons and certifications.
BSD / open
All free resourcesInteractive coursefreeCodeCamp Full Curriculum Video courseCS50 — Harvard Computer Science Course platformKhan Academy Course materialsMIT OpenCourseWare Open textbookResearch Methods in Psychology App + decksOpen Language Learning Pack Web appTyping Speed Trainer GuideEvidence-Based Study Techniques PDF + webOpenStax — Peer-Reviewed Free Textbooks Interactive roadmapsroadmap.sh — Developer Learning Paths
Top 10 free Learning downloads
Every item is a legal, freely distributed release — open source, public domain, Creative Commons or an official free tier. Unlock as many as you want; no account needed.
The best introduction to computer science, free to audit.
Creative Commons
Maths, science and economics from basics to advanced.
Free tier — no card required
Real MIT course materials, openly published.
Creative Commons
How valid tests are actually built and validated.
Creative Commons
Free courses, frequency lists and spaced repetition.
AGPL / open source
Measurable typing improvement in minutes a day.
GPL / open source
Spaced repetition, retrieval practice, interleaving.
Creative Commons
University-level textbooks, openly licensed.
Creative Commons
Step-by-step role roadmaps with curated resources.
MIT / open source