- O'Reilly - Tech / Programming / Downloader / Infinite trial by clearing cookies & making a new account
- Best-Books.dev - Developer Book Recommendations
- ScanLibs, 2, 3
- EbookFoundation Programming Books
- IT eBooks
- FreeTechBooks
- FreeComputerEbooks
- OnlineProgrammingBooks
- TechBooksFree
- Ebooks-it
- Essential Programming Books
- free-programming-books
- Free eBooks
- GoalKicker
- LetMeRead - Has NSFW Ads
- Flavio Copes
- WOW! eBook
- Free Ebooks Download List
- Python Data Science Handbook - Python Data Science /
https://github.com/jakevdp/PythonDataScienceHandbook - Go Books - GoLang Books
- JSBooks - Javascript Books
- Bzdnbot - Telegram
- X-Files - Tech / Programming
- #/g/sicp - Programming / Tech (35gb Torrent)
- ChessProgramming - Chess Programming Wiki
- Hacker News Books - Books Mentioned on HN
