Dygma Raise review: splitting the difference between gaming and ergonomics - The Verge
Iris - Split Ergonomic Keyboard – Keebio
Logitech ERGO K860 Wireless Ergonomic Keyboard - Split Keyboard, Wrist Rest, Natural Typing, Stain-Resistant Fabric, Bluetooth and USB Connectivity, Compatible with Windows/Mac
split ergonomic keyboard supports natural finger and thumb movement