I have been working on something like this. A home server (called Amahi). See my profile. There is one app that one can run in a home server that is sticking ou

I have been working on something like this. A home server (called Amahi). See my profile. There is one app that one can run in a home server that is sticking out for this kind of behavior is ownCloud. We have packaged it for distribution in Amahi servers and it's resonating well with the users. I am not sure it has all the elements you would want, but many of them are there.