TLDR pages - The TLDR pages are a community effort to simplify the beloved man pages with practical examples.
Drawasaurus - Drawasaurus is an online drawing & guessing game you can play with friends or strangers.
CheatKeys - View Windows keyboard shortcuts in the current application.
skribbl - Word guessing based on drawing.
cheat.sh - The only cheat sheet you need Unified access to the best community driven documentation
gartic.io - Draw, guess, and win!