I got a Boox Go Color 7 as a less locked in alternative to my Kindle a while back, and overall I've really enjoyed it.

It's apparently rootable, although I haven't done that personally. It's Google Play certified so anything from the Play store works, and side loading Android apps works too. I use it with the open source KOReader app and in tandem with Calibre Web Automated. I did a writeup[0] with some details if you're interested.

[0] https://blog.eldrid.ge/2025/03/12/self-hosted-ebook-manageme...

Onyx violate GPL with their linux-based OS. I'd go Kobo or remarkable over them for that alone

It's an easy process; I wrote up how to do it: https://gist.github.com/carlosonunez/a0ec3f02576867329bc313b...

I second this, been using an Onyx Boox tablet for a year and a half for uni. It's great for reading and taking notes and it fits nicely in my laptop bag on top of my laptop.

You have a cool blog.