The Kinesis Advantage2 is a uniquely-shaped ergonomic keyboard that is the best at preventing injuries associated with prolonged, incorrect hand posture and finger strain. The key
Open-source split keyboard based on the Kinesis Advantage's layout. This keyboard is available as a DIY project. Some commercial clones exist.
Microsoft Natural Ergonomic Keyboard 4000
The Microsoft Natural Ergonomic Keyboard 4000 is the best ergonomic non-mechanical keyboard out there, given the comfort it provides and how it positively impacts user’s overall...
Kinesis Freestyle2 w/ VIP3
Ergonomic split keyboard. The VIP3 add-on lets you pick from 3 angles of tilt and adds wrist support.