Compare software

I, LibrarianMendeley
Freemium

The open source version is free to self-host; the hosted and professional editions are…

 Freemium

Free with 2 GB of storage, with paid options.

Web, Self-hosted Web, Browser extension
  • Imports references from major academic databases
  • Boolean search and bulk tagging for literature reviews
  • PDF reading, highlighting and annotation built in
  • Generates references and citations
  • Needs Apache and PHP when installed manually
  • AI research features belong to the commercial edition
  • Owned by the publisher Elsevier
  • Free storage is limited to 2 GB
Self-hosted, Hosted service Downloadable app, Web application, Browser extension
Open source Closed source
License: GPL-3.0 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

Checked October 2, 2026

Checked September 23, 2026

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