Rooting isn't as popular as it used to be, but there's still a vibrant community of modders involved in launching new ROMs. If you're just getting started or are looking to delve back into the world of modding (maybe you still need to record phone calls), these are the devices you need to consider. A moddable phone ensures you have a Plan B in future too if the OEM no longer patches and updates the phone.
See some of the top options at #^https://www.androidcentral.com/best-phone-rooting-and-modding
If you're looking ahead and know you'll want to change something on your next phone that requires custom software or root access, these phones are the best options.