Alternatives to IIS for Windows to run ASP.NET

Question

Are there any alternatives to IIS for Windows to run ASP.NET?

CassiniEx seems pretty old?

Answer 1

UltiDev has released a new version of its web server product - UltiDev Web Server Pro. It does support .NET Framework 4. It's a very advanced yet tiny redistributable web server suitable for debugging from within Visual Studio or hosting web applications just like IIS does.