UltiDev Cassini is a free, light-weight and redistributable web server that can host ASP.NET 2.0 and 1.1 applications and Static HTML sites. Whenever your customers need an alternative to IIS — UltiDev Cassini web server is the answer. UltiDev Cassini was built using Microsoft Cassini web server sample as a base, but was vastly improved and expanded compared to original Cassini sample by adding lots of new features and fixing existing bugs. UltiDev Cassini runs on all flavors of Windows XP including Windows XP Home, Windows Vista, Windows 2000 and Windows 2003 Server.
UltiDev LLC created its version of Cassini web server specifically for ASP.NET developers who want to create easily installable ASP.NET applications that do not require IIS .
By far the most important feature of UltiDev Cassini Web Server is ability for Visual Studio developers to include this very Compact, yet very powerful ASP.NET web server into their applications' setup packages
in just a matter of minutes.
UltiDev Cassini Web Server fully supports all ASP.NET features and is capable of running applications as complex as DotNetNuke, as long as applications are not dependent on features specific to IIS, like IIS server variables.