It would be interesting for you to know that we already have data providers for most of them.  You can find them all here.

What we need now is a 2 way integration with Zeitgeist. Currently we can push the info from the applications into Zeitgeist. However we should make use of the information gathered inside the applications. Michal Hruby and I will be taking charge of these integration with the support of Manish Sinha.