NModel: Library for model-based testing in C# (and F#)

NModel (branched from http://nmodel.codeplex.com) is a model-based testing library written by Colin Campbell and Margus Veanes.

The changes include:

• Graph layout engine is changed to MSAGL (from GLEE)
• Project files changed to target .Net 4.0 (instead of .Net 2.0)