I'm just getting started with Xamarin development, and I'm discovery the wonders of using Couchbase Light / Mobile to manage local data and data sync. I watched a very nice video from Xamarin Evolve 2014, in which the folks from Couchbase presented some great use cases for using Couchbase in Xamarin mobile apps. My question is: given, that there are 3 components involved - the Light/Mobile library, the Gateway, and the Server - for me to start my development, and, later on to deploy in production: are all these components commercial, are there an open source counterparts? If only commercial components exist - what is the pricing?
-Eugene