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Connected Papers vs VOSviewer: catalog facts
Connected Papers	VOSviewer
Freemium Usable in the browser; check the site for current plan limits.	Free Free to download; the software is proprietary, not open source.
Web	Windows
Visual graph of related papers instead of a plain result list Helps discover related work from a single starting paper	Purpose-built for bibliometric network maps Developed and maintained by an academic research centre
Web only, needs an internet connection Plan limits are not described on the homepage	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 23, 2026	Official website Full listing and sources Checked October 2, 2026

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