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Lenspect vs Jotti's malware scan: catalog facts
Lenspect	Jotti's malware scan
Free Free and open source under the GPL-3.0-or-later licence.	Free Free to use in the browser.
Linux	Web
Simple desktop front end for VirusTotal file checks Available as a Flatpak and an AppImage	Scans with several antivirus engines in one upload Up to five files at once, 250 MB each
Relies on the online VirusTotal service rather than a local engine Linux only	Uploaded files are shared with antivirus companies Not a substitute for real-time protection
Downloadable app	Web application
Open source	Closed source
License: GPL-3.0-or-later	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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