The ASP.NET new Identity is pretty awesome but it uses EntityFramework that can be slow / not comfortable for some people.
If you're from those who dont want to make use in EntityFramework, today is your lucky day!
NHibernate.Identity package brings you ASP.NET Identity providers that use Fluent NHibernate instead of EntityFramework.
To install ASP.NET Identity Fleunt NHibernate, run the following command in the Package Manager Console
PM> Install-Package NHibernate.Identity