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

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