Compare software

nmon vs below: catalog facts
nmon	below
Free Free to download.	Free Free and open source.
Linux, Command line	Linux, Command line
Many metrics on one screen with low CPU impact Records to CSV for later analysis	Records data so past events can be replayed Shows the cgroup hierarchy alongside process details
Terminal only, with keyboard toggles to learn Mainly aimed at Linux and AIX servers	Linux only Aimed at servers rather than casual desktop use
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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