Top 20 NuGet cacheing Packages

AzureCdn.Me.Nant contains a custom build of YUI Compressor that adds a new parameter to the cssCompressor task allowing you to append a query string onto image refs in your css files, thus invalidating them on the Azure CDN cache
AzureCdn.Me provides a couple of extension methods to allow you to invalidate the cache on static content you are storing on the Azure CDN
Unobtrusive Cache for games and business applications