Repeaterbook has listings of Ontario and international amateur repeaters- one nice feature is the ability to export lists of repeaters as a file you can directly use to update your Icom, Kenwood, Garmin, Yaesu or other rig.
Links
[1] http://www.repeaterbook.com/repeaters/Display_SS.php?state_id=CA08&band=%&loc=COLLINGWOOD&county_id=%&call=%&status_id=%&features=%&system=%
[2] http://www.ve3nbc.ca/category/web-links/software