So, Tim Berners-Lee just tweeted this: https://twitter.com/timberners_lee/status/664203843044028416
Looking at http://crosscloud.org/jobs/ it seems to have the same exact goals as remoteStorage: Avoiding vendor lock-in by making the data storage completely interchangeable.
As far as I can tell there’s no actual code yet. I wonder if this is a case of NIH, or actually an attempt to improve upon the design of RS.