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Litmaps vs VOSviewer: catalog facts
Litmaps	VOSviewer
Freemium Free sign-up with paid plans for more features.	Free Free to download; the software is proprietary, not open source.
Web	Windows
Visual citation maps from seed papers Alerts for new papers on a topic	Purpose-built for bibliometric network maps Developed and maintained by an academic research centre
Not usable for building maps on small phone screens Advanced features are on paid plans	Closed source The website was compromised on August 31 and briefly served a malicious Windows build
Web application	Downloadable app
Closed source	Closed source
License not stated	License: Proprietary
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 2, 2026

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