Recently I've been fascinated by the concept of individuals having a "private cloud" service - a server that they own or rent, which has all the data that an individual could hope to have centralized, contains APIs and UI for remote access from client devices, and acts as the middleman for most transactions with the outside world. The beauty of this is that if it were developed as a unified system, minimal tinkering…
Yup, this is the kind of thing I'm working on at the moment and I'm finding that other folks are thinking along similar lines (but taking different approaches). The first application we want to build on top of the underlying 'private cloud' is email. My viewpoint is that to do this properly, we need to think through things from the ground up with privacy and security built in, otherwise I don't see it as that much be…
Email File sync Identity provision (e.g. BrowserID) Quassel IRC (or equivalent or better two-tier chat/IM) Bitcoin wallet
And of those, I think the most pressing is the identity provision, because it's a "too many accounts" solution that doesn't necessarily disrupt existing workflows. But adding more of those quickly turns it into a compelling offering.
Initially, this could look like any other cloud-based service and even be freemium, while keeping the code open; Wordpress got the model for this pretty much exactly right(albeit the code itself was never very secure).