Compare software

dool vs nmon: catalog facts
dool	nmon
Free Free to download from its public GitHub repository.	Free Free to download.
Linux, Command line	Linux, Command line
Python 3 compatible continuation of Dstat Covers CPU, memory, network, disk and load in one view	Many metrics on one screen with low CPU impact Records to CSV for later analysis
Linux only Text output only, with no graphical interface	Terminal only, with keyboard toggles to learn Mainly aimed at Linux and AIX servers
Downloadable app	Downloadable app
Open source	Closed 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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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