Rebus is a .NET service bus implementation. It implements several relevant enterprise integration patterns in a way that provides an infrastructure upon which distributed applications can be built.
If you have questions of some sort, I suggest you ask them on StackOverflow (tagged with ‘Rebus’). I’m monitoring the tag on SO, so I’ll respond very quickly 🙂
If you are interested in commercial support and additional tooling, please go to the Rebus FM home page and read more about the available offerings for serious Rebus users 🙂