TD Canada Trust
Royal Bank
CIBC
Surprisingly, the Canadian Imperial Bank of Commerce (CIBC) does not appear to have a simple mortgage payment calculator on their site, though there are some other mortgage-related tools.
Scotiabank
No direct link possible; open
this page and select the "Payment Calculator" link near the bottom left-hand side.
Bank of Montreal (BMO) A Guide to Mortgage Interest Calculations in Canada (includes links to downloadable Excel spreadsheet calculators; somewhat technical, but gives good, concise background)
Vertex 42 LLC's
Canadian Mortgage Calculator (when you first click this link, you
may get a "script error" dialogue box asking you if you wish to continue running the script — simply answer "yes" and the page will load normally).