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ClamAV vs ClamUI: catalog facts
ClamAV	ClamUI
Free Free and open source under the GPL 2.0, maintained by Cisco Talos.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Command line	Linux
Signature format is open, so anyone can write detections Designed to be embedded in mail servers, file shares and upload pipelines	Graphical front end for the widely used ClamAV engine Several packaging options including Flatpak, AppImage and Debian
Detection rates trail the commercial engines in independent testing Not a real-time desktop protection suite on its own	Linux only Detection quality depends on ClamAV and its signature database
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: MIT
No account needed	No account 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.