Manco.Licensing System Version 3.1.
15 days free trial. Full archive includes Manco.Licensing library and Manco License Manager. This version is designed for the Microsoft .NET Framework 2.0
Manco.Licensing.zip

Activation Web Service Version 3.1.
This version is designed for the Microsoft .NET Framework 2.0.
Manco.Licensing.Activation.zip

Documentation.
Please read Manco.Licensing User Guide.doc file and follow instructions.
Manco.Licensing User Guide.doc