Rebus is a service bus implementation, similar in nature to NServiceBus, MassTransit, Rhino ESB, etc.

If you’re curious, you can take a look at my blog posts tagged with “Rebus”, or check out Rebus on GitHub: The official Rebus documentation wiki.

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’re interested in some metadata about the Rebus project, maybe Rebus’ Ohloh pages can provide that.