seriously, though, i'm interested to see what comes out of this. what apis are you targeting? social apis? payment processing? provider apis, like libcloud?
We're trying to reduce the friction between applications and user content. In other words, to do away with all the unnecessary plumbing that most people build every time they want to access a user's 'stuff.'
That plumbing looks like a ton of CRUD-like operations that repeat themselves (auth, query, normalize into your own data dictionary, health check, etc.).
We're at first targeting content APIs (the 'stuff' mentioned above), trying to create a query mechanism so you can do broad queries with a user, without needing to know or care about what endpoints the user's stuff resides in. i.e. get all photos tagged dog, regardless of whether those photos live in facebook, flickr, picasa, or some other web service you've never heard of.
We're having a blast and even have the photo bit work.