Ok we're seeing these ones popping up quickly these days (osmek.com) here's my thoughts,
Short: not bad!
Long:
What we need here is not osmek or prismic or insert-random-new-thing, but it is a sane interface.
If you think you are good go solve that problem.
The whole point (mostly) of these services is to decouple content from presentation yet when every new service designs their own revolutionary API you just end up tying yourself to that specific provider.
The major problem is to get people to agree on the same thing of course.
But if that does happen then imagine the kinds of freedom it will bring to you.
A very simplistic one could be defining standard JSON objects and then building a CMS that works with those objects, then allow people to bring their own data.
Short: not bad!
Long:
What we need here is not osmek or prismic or insert-random-new-thing, but it is a sane interface.
If you think you are good go solve that problem.
The whole point (mostly) of these services is to decouple content from presentation yet when every new service designs their own revolutionary API you just end up tying yourself to that specific provider.
The major problem is to get people to agree on the same thing of course.
But if that does happen then imagine the kinds of freedom it will bring to you.
A very simplistic one could be defining standard JSON objects and then building a CMS that works with those objects, then allow people to bring their own data.