I use it for home automation tasks and in our local hacker space. This is a self-hosted version of IFTTT by design, but thanks to Go it should be fairly easy to deploy & set up.
The README actually mentions that all you need to do is "go get" - there are just some manual steps below for the intrigued.
Due to the nature of having many little service plugins it indeed comes with a bag of dependencies. Once Go's plugin support is up to par, we'll certainly think about building bees as separate plugins. Since 1.8's plugins only work on Linux so far, I'm not in a rush, though :-)