Compare software

um vs navi: catalog facts
um	navi
Free Free and open source under the MIT license.	Free Free and open source.
macOS, Linux, Command line	Command line
Creates personal command reference pages Retrieves pages with a man-like command	Runs commands straight from the cheatsheet Dynamic suggestions for argument values
Availability is documented for macOS and Linux	Useful only once you have or download cheatsheets Cheatsheet format takes some learning
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.