EFMembership gives you Membership Provider for System.Security.Membership or WebMatrix. With supporting OAuthMembership for external login like (Facebook, Twitter, Yahoo, Google, ...).
You can use your custom model class or Builtin exist models like my Default models or Microsoft membership style
Use nuget packge manager to add EFMembership and dependency references to your project
For WebMatrix:
PM> Install-Package EFMembership-WebMatrix
For Default Membership Provider:
PM> Install-Package EFMembership