The benefit of services like Parse aren't that they provide a JSON API. That's easy to do. The benefit was that they would worry about scaling and caching the

The benefit of services like Parse aren't that they provide a JSON API. That's easy to do. The benefit was that they would worry about scaling and caching the api to get the best performance and not have to worry about a backend. Releasing open source JSON APIs isn't solving the real problem in my opinion.