NServiceBus uses multiple existing open source projects that have been invaluable resources and made creating NServiceBus possible.

The NServiceBus team gives its thanks to:

Spring Framework .NET (http://springframework.net/)
The Castle Project (http://castleproject.org/)
Rhino Mocks (http://groups.google.com/group/RhinoMocks/)
StructureMap (http://structuremap.sourceforge.net)
NHibernate (http://www.hibernate.org/343.html)
FluentNHibernate (http://wiki.fluentnhibernate.org)
Topshelf (http://code.google.com/p/topshelf/)

