navi
An interactive cheatsheet tool for the command-line
...). There are multiple ways to use navi. For example, by typing navi in the terminal, which you have access to all possible subcommands and flags, or as a shell widget for the terminal, the shell history is correctly populated (i.e. with the actual command you ran instead of navi) and you can edit the command as you wish before executing it. You can also use it as aliases, as a shell scripting tool, and as an Alfred workflow.