GeoCoder.ca (http://geocoder.ca/)is offering the “Canadian Postal Code Geocoded Database”.
The data in this database has been crowdsourced and is published under the “Open Database License (ODbL)”
Now Canada Post sued GeoCoder.ca
For more details see http://geocoder.ca/?sued=1 (scroll down to bottom to see the whole file)
Find some comments on this case in the Blog of Michael Geist http://www.michaelgeist.ca/content/view/6415/125/