Academic Resources

heavy hitters

• Libretexts
• Anna's Archive - Mirrors Scihub and Libgen. Largest open library in history.
• Arxiv - pronounced "Archive"
• THE REAL Z-LIB DONT FALL FOR SCAMS

Free Courses

• MIT OCW
• Wharton
• Harvard - These are rather introductory imo

Reference Materials

CrackAP IBO Reference Website - International Baccelaureate NOT Bio Olympiad