Don't have the money to buy them heartworm pills for my dogs

I need heartworm pills for my dogs but do not have the money

I'm not sure of a place that gives away free heart worm pills. Depending on where you live and your breeds, you can check out this sticky. At the end of it there are some links to places that may be able to help you out.

Have you considered talking to your vet about a payment plan?

https://www.askmehelpdesk.com/dogs/some-tips-lowering-vet-bills-453701.html