Links to a few resources.
https://www.legalwills.ca/. I have used this site and was able to give on line access to my next of kin and others with power of attorney. You have to upload all your information on line but at least everything is in one place. There is an annual fee.
Help with setting up legal documents. It’s a non-profit society. Their purpose is enabling adults who want to plan for the future (Future Path) to use Representation Agreements and Enduring Powers of Attorney, in the event of mental incapacity due to illness, injury, or disability.
Representative Agreements. Canadian Bar Association