We love our Ring! It links to the alarm as well. I know you said that you were looking for alternatives, but we did a ton of research and still landed on the Ring. We have not been disappointed at all!
If you use Apple products, I've been using the Logitech Circle View, and been pleased. It has an encrypted connection with HomeKit, works with Siri, rings to the HomePods in the house, and can even identify people based on your photo library.
Have you checked out Wyze? I have their outdoor camera which has been working great. They do offer a doorbell camera now. I believe they just launched a camera/flood light.
Ring products are good, but went with Wyze because of the price.