I was considering sync.com, but after seeing Facebook ads for it, I decided to not give them my money if they're going to pay for Facebook ads. I would still use them over Google or Apple Cloud though.
I would like to try Windscribe at some point, and also 1Password, whatbox.ca for seeding.
GrapheneOS is Canadian. I'm hoping to buy a Fairphone 6 at some point, and put Graphene on it
https://www.clove.co.uk/collections/mid-range-smartphones/products/fairphone-gen-6
Wealthsimple Tax (free)
CohereAI instead of MistralAI whenever I can.
Qobuz is partially Quebec invested.
On Bandcamp Fridays, where Bandcamp takes 0℅ of the revenue and gives them to the artist, I include well deserved Canadian artists -- especially since I've been boycotting Ticketmaster and their large quantity of subsidary companies.
Using interac when I can. Will even message Canadian companies if I can pay via interac e-transfer instead. Its been warmly welcomed so far.
https://patrii.cloud/ has been e-transfer by default,
a bike shop in a remote province was willing to do e-transfer.
Some other hosting providers https://colocataires.dev/
Tailscale VPN is Canadian and has a free tier.
voip.ms is Canadian if you wanted a cheap phone number over voip.