logic

• crafting interpreters
• a computational logic
• building blocks of theoretical cs
• structure and interpretation of computer programs

lang

• go by example
• beej's guide to c programming
• the c programming language 2nd ed

math

• mathematics for computer science

ml

• ml from scratch

cybersec

• learn to hack

tool

• colors
• drawio
• jsonlint
• devdocs
• regex101
• more colors

visual

• visual algo
• visual algo 2
• llm visualization

reference

• essential c
• posix standard
• latex cheatsheet
• competitive programmers handbook

whatever

• misc
• projects
• neetcode
• ray tracing
• nand2tetris
• ship stuff nerds
• learn x in y min
• coding horror blog
• algos for comp programers