Our house has 3 interior doors, their default mode is open, and two of them require door stops to stay open. I recently found this gadget on Amazon and it is such a great little solution! Some reviewers complained that $7.00 was a lot to pay for a simple torsion spring, but I look at it that $7.00 is a cheap price for a solution to a small nagging annoyance. I thought I would share the information in case anyone has a similar issue:

https://thedoorbalancer.com/