...
- Google OAuth & Federated Login Research
- OpenID Foundation User Experience mailing list
- OpenID Summit presentation on ULX - 2 November 2009
- Experimental Active Client for OpenID by Microsoft (see also Kim Camron's blog)
- Active Identity Clients by Identity Commons, started at IIW9. Might involve other protocols later.
SAML-centric
- <Bob Morgan's links>