Oh wow, that is pretty cool. It is a different approach from what I was envisioning, which was taking an existing lightweight terminal codebase written in Qt[0], and porting it to the ReMarkable's Qt SDK. The Parabola approach is actually running X Windows, which is pretty amazing!

[0] https://github.com/lxqt/qterminal

Really curious whether anyone’s actually used Parabola-rM often? It lacks support for Wi-Fi and the sdma port. Not sure what that leaves you to rely on for file transfers or much of anything. I can at least imagine a lack of networking as a plus though for lack of distractions.

SDMA isn't related to networking. As I mentioned here: https://news.ycombinator.com/item?id=24294868

The device is exposed over USB as a composite device, consisting of a virtual Ethernet port and a virtual serial port. Network communications may happen over that link, as well as SSH/SCP'ing files.

It also supports USB OTG, so one could plug in a libre-compatible Wi-Fi card and use that.

Ah, I was wondering about OTG support, thanks for mentioning it!