tldr
IntelliShell
https://lasantosr.github.io/intelli-shell/
Like IntelliSense, but for shells!
IntelliShell is a command-line tool that acts as a smart bookmark manager. It helps you find, organize, and reuse complex shell commands without ever leaving your terminal.
Added 2 weeks ago
Tealdeer
https://tealdeer-rs.github.io/tealdeer/
Tealdeer is a very fast implementation of tldr in Rust: Simplified, example based and community-driven man pages.
Added 9 months ago
cheat
https://github.com/cheat/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.
Added 2 years ago