CDL.TO
Moderator
Everyone's favourite map, Mapmobility/MapArt Golden Horseshoe Atlas, is available for free online. It might not have the satellite imagery of Google, but for labelling of landmarks it's far superior. (It's a little out of date, it seems to be the 2007 edition of the atlas.)
http://maps.mapmobility.com/
http://maps.mapmobility.com/