Matias Half Keyboard
- One-handed keyboard for PDAs and PCs. Special version with straps available. Use is explained in a flash demo and a downloadable one.
- http://www.matias.ca/halfkeyboard/index.php?refID=7

Kitty
- Typing by touching the thumbs with different fingers and at different positions analog to a normal keyboard. With Flash demo, prototype photos and press overview.
- http://www.kittytech.com/

Lightglove
- Air typing by blocking watch-like attached lasers with fingers. Presents some infos on technology, photos and the patent abstract.
- http://www.lightglove.com/

Inference Group - Dasher Project
- A software solution for entering text by zooming through letters. A graphical demo, versions for different systems and languages and ideas for appropriate input hardware are provided.
- http://www.inference.phy.cam.ac.uk/dasher/

FrogPad
- One-handed 3x5 USB keyboard with "patented" key layout but no straps. On-line available are a shop, training material and licensing ideas for different devices.
- http://www.frogpad.com

WetPC
- Makes an intuitive human machine interface suitable for wearable, handheld, underwater and mobile computing.
- http://wetpc.com.au/

L3 Systems
- Manufacturer of a 39-keys wrist-worn PC keyboard as well as customized keyboard controllers.
- http://l3sys.eskimo.net/

Handykey Corporation
- Sells combination of chording keyboard and mouse, called Twiddler, that weighs 4 ounces and fits in the palm of a hand.
- http://www.handykey.com/

Thumbscript
- Offers hard- and software solutions for entering text using a thumb-operated 9-keys keyboard.
- http://www.thumbscript.com