Pretty neat application by Barry Dorrans, Dominick Baier and David Christiansen.
From their site:
"SharpSTS is a C# code library which enables easy
development of a Security Token Service, the server component for
managed Information Cards.
To begin developing with SharpSTS you will need Visual Studio 2008
Standard (or higher), an SSL certificate and a client system that
supports Information Cards.
The source code is available from http://www.codeplex.com/sharpSTS and is licensed under
the Microsoft Public License (MS-Pl)."
Ray Booysen
ray@vistasquad.co.uk