Compare software

nmon vs dool: catalog facts
nmon	dool
Free Free to download.	Free Free to download from its public GitHub repository.
Linux, Command line	Linux, Command line
Many metrics on one screen with low CPU impact Records to CSV for later analysis	Python 3 compatible continuation of Dstat Covers CPU, memory, network, disk and load in one view
Terminal only, with keyboard toggles to learn Mainly aimed at Linux and AIX servers	Linux only Text output only, with no graphical interface
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
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 24, 2026

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