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Performance Co-Pilot vs dool: catalog facts
Performance Co-Pilot	dool
Free Free and open source.	Free Free to download from its public GitHub repository.
macOS, Linux, Self-hosted, Command line	Linux, Command line
Collects metrics from multiple hosts and operating systems Live and historical analysis from archives	Python 3 compatible continuation of Dstat Covers CPU, memory, network, disk and load in one view
Steeper learning curve than a single-machine monitor Aimed at administrators rather than casual users	Linux only Text output only, with no graphical interface
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: GPL-2.0, LGPL-2.1	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.