What routers can I use as edge routers for my home network?

This is a great site for those with curiosity and more technical depth to manage your home network. Finding the right balance between features, security and price can be daunting.

https://routersecurity.org/index.php

I'm currently in the process of migrating from an Amplifi HD mesh system to the Gryphon mesh system to get more parental controls. 

Well,  anything should be compatible, as long as you have ethernet right out of the cable modem, I would think.  Only if you had some kind of modem/router in the same box, and thereby some other routing going on in between...   might there be a problem.