OpenID

I may need to do some programming on OpenID. Here is the list that might be helpful:

1. http://www.ibm.com/developerworks/java/library/j-openid/index.html
2. https://developers.google.com/accounts/docs/OpenID
3. http://www.died.tw/2010/07/google-openid.html
4. https://code.google.com/p/google-api-java-client/wiki/OAuth2
5. http://code.google.com/p/google-api-javascript-client/
6. An OpenID consumer for Attribute Exchange with Google
7. Using a Dynamic Host Page for Authentication and Initialization 
8. New JavaScript SDK & OAuth 2.0 based FBConnect Tutorial