My split, ergonomic Corne keyboard is great. I love pairing with a trackball in-between the halves:
But what if you took the two halves of this split keyboard, jammed them together with a built-in trackball and threw in some extra features? That's the cocot46plus.
I prefer the ergonomics of a
Ditto on my Keyboardio Model 100. This thing is nearly perfect but the lack of mouse makes me wish I could cross this design with a Charybdis.