cheat
Cheat allows you to create and view interactive cheatsheets on the command-line. It was designed to help remind *nix system administrators of options for commands that they use frequently, but not frequently enough to remember.
explainshell
Get details on arguments for commandline tools through explainshell's sleek, web-based interface. The web app is totally free ...
bropages
bro pages are concise examples of using command line programs
Linux man-pages
The Linux man-pages project documents the Linux kernel and C library interfaces that are employed by user-space programs. This ...
CheatSheet
CheatSheet shows you the available shortcuts of the active application after holding the command-key for 2 seconds. After the ...
cheat.sh
The only cheat sheet you need Unified access to the best community driven documentation repositories of the world
Kommandr
Kommandr had a simple yet ambitious charter: be a social application that enables users to discover, learn about, save, and sh ...
TLDR pages
Simplified and community-driven man pages