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Single Sign On Software

OpenAthens

Single sign-on and federated access service that gives library and publisher users access to online resources

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About OpenAthens

OpenAthens is an authentication service that gives people single sign-on access to web-based knowledge resources. It is used mostly by libraries, publishers and education bodies.

What OpenAthens offers

  • OpenAthens Compass — a single sign-on product designed for complex organisations and librarians.
  • OpenAthens Connect — a simpler single sign-on option.
  • OpenAthens Keystone — an authentication tool for joining SAML federations worldwide.
  • OpenAthens Federation — a network of more than 3,000 members across industries.
  • Usage reporting — customisable reports and an API for tools such as Tableau or Power BI.

Who it works with

Libraries, publishers, universities and their users, in many countries.

Key facts

  • Reach: the company reports over 2,600 organisations and 5 million users in more than 65 countries
  • Compatibility: works with SAML software including Shibboleth, ADFS, Ping Federate and Okta
  • Event: runs the Access Lab conference each March

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

What the business tells TrustList

Stability: major incidents
2 incidents measured

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