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ClamAV vs ClamXAV: catalog facts
ClamAV	ClamXAV
Free Free and open source under the GPL 2.0, maintained by Cisco Talos.	Paid Paid license with a 30-day free trial and volume discounts.
Windows, macOS, Linux, Command line	macOS
Signature format is open, so anyone can write detections Designed to be embedded in mail servers, file shares and upload pipelines	Real-time scanning with automatic updates Light on system resources
Detection rates trail the commercial engines in independent testing Not a real-time desktop protection suite on its own	macOS only Paid after the 30-day trial
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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