I'm pleased with OBOOK5. It runs Obook OS which is a Linux OS. Never nagged me to connect to WiFi or anything, I simply plugged a cable to transfer my local stuff.
Also hearing good things about XTEINK X4.
Also hearing good things about XTEINK X4.
I really appreciate that the company that makes the device has embraced the community firmware scene and even links directly to them from their website as a semi-blessed alternative to their official one.