I curated a list of links I find interesting, 100% worth reading
Writings & Videos
Unix Digest
Pointers In C
Real Engineering
The Insane Engineering of the SR-71 Blackbird
Serenity OS
SerenityOS: From zero to HTML in a year
Death Note
Death Note: L, Anonymity & Eluding Entropy
Programming
Crafting Interpreters
A handbook for making programming languages
Systems
Operating Systems: Three Easy Pieces
Free online operating systems book
Beej's Guide to Network Programming
Socket programming guide using Internet sockets