About Meteor: There might be a lot of things wrong with Meteor (insecure by design), but this is not one of them: it's opensource and has a command which makes a self containing tar.gz bundle for you to deploy on your own server.
It also does the work of managing distributed state of data across all of the clients and the server, and merging that data as needed to prevent conflicts in a distributed network like this. In fact, it allows you to run operations atomically across this distributed system -- operations that are latency-compensated, and work even in offline mode.
And finally, it can scale, with no work from the developer.
Suddenly there is a solution to distributed always consistent real time fully scalable reliable easy to use inexpensive database :)
Do you know this saying? "Nobody can give so much as I can promise you."
Under a license that does not permit you to easily use it for commercial projects, unlike, say, Django, Rails, Node.js, etc... etc.... etc....
Also, the fact that they talk about commercial licenses is indicative that they may be thinking along similar lines.
Not that I begrudge anybody the chance to make some money, but along with Meteor I feel like there's a slightly deceptive nature to this kind of thing where the home page is emblazoned with "look, it's all free!" when in fact there's an unknown price to pay down the line.