tldr-pages
Collaborative cheatsheets for console commands 📚.
LeCoupa
👩💻👨💻 Awesome cheatsheets for popular programming languages, frameworks and development tools. They include everything you should know in one single file.
chubin
the only cheat sheet you need
afshinea
VIP cheatsheets for Stanford's CS 229 Machine Learning
Tikam02
DevOps Guide - Development to Production all configurations with basic notes to debug efficiently.
A-poc
Tools and Techniques for Blue Team / Incident Response