Annie Bodreault, the initiator of "Making it happen" has also started a bi-lingual (English and French) group for discussion of money matters starting with the history of money, called Juno Moneta:
I am sure there are other places where money alternatives are being discussed. If you know of one that is of interest, please add the information in a comment.
To start with, here is a list of "money" discussions on this site: