Websites for Self-Study (PS, Python, English)
PhotoShop tutorials, Python tutorials, language learning tutorials
The Ultimate Academic Paper Search Tool: OALib
A Free Tool for Searching Academic Articles
Open Source Communities in Mathematics Similar to GitHub
If you’re unsure where to start, CoCalc comes highly recommended
Free E-Book Websites
Project Gutenberg offers 75,000 e-books, all of which are public domain works.
Introductory Books on Artificial Intelligence
A Collection of Eight Books