Compare software

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

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