GA.NET is a project mainly written in JAVASCRIPT and C#, it's free.
Google Analytics wrapper for .NET (With support for javascript disabled browsers)
Google Analytics with support for tracking visits with javascript disabled.
GoogleAnalyticsWebFormsControl -> For ASP.NET Web Forms GoogleAnalyticsHtmlHelper -> For ASP.NET MVC
Inspired by Remy Sharps excellent WordPress plugin : http://remysharp.com/2009/10/15/the-missing-stat-noscript/