Donate tax-exempt у Канаді
These Canadian non-profit organizations help Ukraine. All of them are tax exempt, so donations can be tax deductible for donors at the moment of writing this article.
Check them here https://apps.cra-arc.gc.ca/ebci/hacc/srch/pub/dsplyAdvncdSrch by name or BN provided in parentheses after each link, also you can read https://www.canada.ca/en/revenue-agency/services/charities-giving/charities/information-about-a-charity.html article for general rules about donations.
You are welcome to make tax-deductible donation to support Ukraine using any of them. (up to 75% of net income can be deducted according to https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/tax-return/completing-a-tax-return/deductions-credits-expenses/line-34900-donations-gifts.html).
https://www.cufoundation.ca/ Canada-Ukraine foundation (898992151 RR 0001) - medical supplies, drones
https://sosukrainecharity.blogspot.com/ S.O.S. Ukraine (825355076 RR 0001) - displaced persons (moved to safer western part of Ukraine) needs (food, shelter)
https://uams.ca/ - Ukraine Medical Support (743083701 RR 0001) - medical and psychological help to Ukrainian refugees, single mothers, kids and the elderly.
https://www.ukrainianworldcongress.org/uwfcanada/ - Ukrainian World Foundation Canada (888897063 RR 0001) - mostly large projects like energy infrastructure rebuilding, raising awareness by events etc.
https://helpushelp.charity/ - Help Us Help (891205940 RR 0001) - providing different help for children, scholars, veterans in Ukraine.