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.
https://www.gboards.ca/product/georgi
https://stenomod.blogspot.com/
I'm typing this, in Plover, on a georgi.