It's the project behind Plover (https://github.com/openstenoproject/plover/wiki/Beginner's-G...), a cross-platform free steno program that works with normal (NKRO) keyboards and steno machines. There are also a number of hobbyist steno machines, made by the community, that run ~$100, instead of >$1000 for a real machine.
There was just a post about using a raspberry pi as a USB device. I wonder if that would make it a good candidate for their concept of a self-contained keyboard (no drivers)
My brand new ThinkPad laptop has a keyboard with a pleasant feel, and a high-end GPU for (among other things) a 3D hand-pose human interface. But the keyboard is 2 KRO. :/
After decades of looking, and with screen-comparable AR coming in next year, I kind of expect to move on from the laptop form factor before ever finding one that doesn't feel like an HID facepalm.
https://www.gboards.ca/product/georgi
https://stenomod.blogspot.com/
I'm typing this, in Plover, on a georgi.