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dool vs Performance Co-Pilot: catalog facts
dool	Performance Co-Pilot
Free Free to download from its public GitHub repository.	Free Free and open source.
Linux, Command line	macOS, Linux, Self-hosted, Command line
Python 3 compatible continuation of Dstat Covers CPU, memory, network, disk and load in one view	Collects metrics from multiple hosts and operating systems Live and historical analysis from archives
Linux only Text output only, with no graphical interface	Steeper learning curve than a single-machine monitor Aimed at administrators rather than casual users
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License not stated	License: GPL-2.0, LGPL-2.1
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.