Rakuten, the company behind kobo, has always tolerated hacking their devices, so there are several options, including KOReader, Plato and the subject here, Quill. Personally I think Kobo is your best option, if i understand your ‘open OS’ requirement.
Rakuten, the company behind kobo, has always tolerated hacking their devices, so there are several options, including KOReader, Plato and the subject here, Quill. Personally I think Kobo is your best option, if i understand your ‘open OS’ requirement.
Not anymore! They've recently moved to closing their devices with signed firmware