Winsible 2k allows you to run C# scripts on hundrets connected clients at once.
the following libraries are being loaded by the client:
parameters.ReferencedAssemblies.Add("System.dll");
parameters.ReferencedAssemblies.Add("System.Windows.Forms.dll");
parameters.ReferencedAssemblies.Add("System.Core.dll");
parameters.ReferencedAssemblies.Add("System.Data.dll");
...