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PCI Utilities vs PCI-Z: catalog facts
PCI Utilities	PCI-Z
Free Free and open source under GPL-2.0-or-later.	Free Free for commercial and non-commercial use.
Windows, macOS, Linux, Command line	Windows
Displays detailed information about PCI devices Includes tools to inspect PCI configuration registers	Identifies PCI devices even when drivers are not installed Exports PCI configuration reports as plain text, CSV, or JSON
Some operations require access to PCI devices and system permissions	The current site lists Windows support through Windows 10
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0-or-later	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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