- What is the latest word (as of 2020) on reading Kindle books on the ReMarkable? Is there a tool that makes it easy to buy Kindle books and strip them of their DRM?

- Is the ReMarkable capable of running an open source OS behind the hood? Is it a hacker-friendly piece of hardware in case ReMarkable runs out of business in the future?

I was thinking about getting the ReMarkable 2 if only because my Kindle's display is too small. For ebooks it's okay but I do would like to be able to use an eink reader for sheet music as well.

You go to amazon.com/myk, switch to the Content tab, three dots next to the book, Download & transfer via USB. You then drag-and-drop them into Calibre with this add-on set up: https://github.com/apprenticeharper/DeDRM_tools

There's some initial setup required to get your decryption key (easy if you have their e-reader — just enter the key you'll find in device info, slightly complicated if you don't), but once that's done, the friction for decrypting ebooks is pretty negligible.

You'll have to convert them to epub or PDF to be able to read them on ReMarkable, but that's as easy as right-clicking a book within Calibre and choosing "convert".

Most of the other ebook decrypters are basically slapping some interface on top of this Calibre plugin and hiding it behind a paywall.