When it comes to an eBook reader, the choices are limited. The market is dominated by Amazon’s proprietary Kindle along with a few other options like Kobo, Nook and Onyx.
An interesting news for open source enthusiasts is that a developer, Joey Castillo, is working on creating an open
That is, until the community reverse engineer the communication between the tablet and keyboard. It’s through the 5 pins, serial iirc? The complicated part would be to produce/find a decent keyboard