Compare software

Google Scholar vs Open Knowledge Maps: catalog facts
Google ScholarOpen Knowledge Maps
Free

Free to use.

Free

Free to use; run by a non-profit funded by supporting members.

Web Web
  • Very broad coverage across disciplines
  • Includes case law and court opinions
  • Visual overview of a research topic
  • Very large index of open research outputs
  • Library, alerts and profiles need a Google account
  • Can throttle automated or heavy use
  • AI mapping is still in beta
  • Maps are built from metadata, not full text
Web application Web application
Closed source Closed source
License not stated License not stated
No account needed No account needed
Needs internet Needs internet

Checked September 26, 2026

Checked September 26, 2026

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