Camalot.Common is a collection of classes, extensions and other things that I have written over the years that I used to find myself copying the files in to my projects every time I created them.
Well, I think you found that one already...
Available on nuget
PS> Install-Package Camalot.Common
PS> Install-Package Camalot.Common.Mvc
PS> Install-Package Camalot.Common.Mvc4
PS> Install-Package Camalot.Common.Mvc5