explainshell - Match command-line arguments to their help.
cheat - Cheat allows you to create and view interactive cheatsheets on the command-line.
cheat.sh - The only cheat sheet you need Unified access to the best community driven documentation
CheatKeys - View Windows keyboard shortcuts in the current application.
bropages - bro pages are concise examples of using command line programs
Kommandr - A social application that enables users to discover, learn about, save, and share commands for the...