srkirkland 

Validation attributes that can be used in any .NET 4.0 project to supplement the existing Data Annotations attributes. If you are using MVC3 and also want client validation, use the... More information

Validation attributes that extend Data Annotations and provide integrated server and client side validation (using unobtrusive jquery validation).

Adds EditorTemplates for the new html5 input types (including email, tel, and url) to Mvc 3 projects. For example, Html.EditorFor(a=>a.Email) can now generate an html5 input type='email'.