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EndNote vs Mendeley: catalog facts
EndNote	Mendeley
Paid Paid licence, with a free trial available.	Freemium Free with 2 GB of storage, with paid options.
Windows, macOS, Web	Web, Browser extension
Formats citations and bibliographies automatically Widely used in academic institutions	PDF reading, highlighting and annotation built in Generates references and citations
Paid software with no free tier AI features depend on an online service	Owned by the publisher Elsevier Free storage is limited to 2 GB
Downloadable app, Web application	Downloadable app, Web application, Browser extension
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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