| AxFetchListFactory | A strategy which can be used by an OpenID consumer implementation, to dynamically determine the attribute exchange information based on the OpenID identifier. |
| OpenIDConsumer | An interface for OpenID library implementations |
| NullAxFetchListFactory | |
| OpenID4JavaConsumer | |
| OpenIDAttribute | Represents an OpenID subject identity attribute. |
| OpenIDAuthenticationFilter | Filter which processes OpenID authentication requests. |
| OpenIDAuthenticationProvider | Finalises the OpenID authentication by obtaining local authorities for the authenticated user. |
| OpenIDAuthenticationToken | OpenID Authentication Token |
| RegexBasedAxFetchListFactory |
| OpenIDAuthenticationStatus | Authentication status codes, based on JanRain status codes |
| AuthenticationCancelledException | Indicates that OpenID authentication was cancelled |
| OpenIDConsumerException | Thrown by an OpenIDConsumer if it cannot process a request |