Cassini is a stand-alone web server that you can use to deploy your ASP.NET web applications.
Cassini has been updated by it’s author to now run as a single .exe without needing to be deployed in the GAC! This is great news.
Additional features:
- Supported IPv6-only configurations
- Upgraded to support .NET Framework 3.5
- Includes VS project file
License changed to Ms-PL
Get it here: http://blogs.msdn.com/dmitryr/archive/2008/10/03/cassini-for-framework-3-5.aspx