In this thread, I'm just seeing a listing of people who would like to do something. However, I'm not sure that EF is the right place in which to do something like that.
I found this site recently and it seems that it could be a great platform to create some collaborative projects.
http://www.amazee.com/

For example, here is a photographic project based in Zürich
http://www.amazee.com/photo-startup-zurich#navigator

Have fun!