Canada-Wide:

Craigslist Canada
Find creative listings by region.

Digital Trading Post
Free forum for buying and selling used computer and video equipment in Canada. Post ads listing equipment for sale or equipment wanted.

DV Shop
Film and video equipment in Canada.

Filmmaking
Resources for indie filmaking.

Independent Media Arts Alliance
Non-profit national arts service organization that promotes and advances the interests of a vibrant media arts community. Representing over 80 independent film, video, and new media production, distribution, and exhibition organizations in all parts of Canada, the IMAA serves over 12,000 independent media artists and cultural workers.

Mandy.com
Listings for cast and crew calls by region.

Nunavut

Tarriaksuk Video Centre

Ontario

Algonquin College Scriptwriting Program

Ed Video

Independent Filmmakers Cooperative of Ottawa

SAW Video Co-op

Toronto Film and Video Forum
Has links to Toronto film and video co-ops, users groups and networking resources.

Theatre Ontario

Québec

Cinema Montréal