For the Ottawa / Eastern Ontario / Western Quebec  area go to http://Ottawa.FullCircles.org

Or if you are from elsewhere, check out  http://finder.trashnothing.com to find a group near you!

The original Ottawa freecycle group.

And, see the FCO Hub for a complete list of local FullCircles, Freecycle and other “free” groups (more than 40 of them…) in the Eastern Ontario / Western Quebec  area.