- Thumbscript - http://www.thumbscript.com
Offers hard- and software solutions for entering text using a thumb-operated 9-keys keyboard.
- Handykey Corporation - http://www.handykey.com/
Sells combination of chording keyboard and mouse, called Twiddler, that weighs 4 ounces and fits in the palm of a hand.
- L3 Systems - http://l3sys.eskimo.net/
Manufacturer of a 39-keys wrist-worn PC keyboard as well as customized keyboard controllers.
- WetPC - http://wetpc.com.au/
Makes an intuitive human machine interface suitable for wearable, handheld, underwater and mobile computing.
- Matias Half Keyboard - http://halfkeyboard.com
One-handed keyboard for PDAs and PCs. Special version with straps available. Use is explained in a flash demo and a downloadable one.
- NumberPad as one-handed Keyboard - http://www.fourtytwo.de/
The linux kernel patch (2.2 & 2.4) allows to type two-digit numbers on a number pad to simulate characters and special keys.
- FrogPad - http://www.frogpad.com
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.
- Inference Group - Dasher Project - http://www.inference.phy.cam.ac.uk/dasher/
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.
- Lightglove - http://www.lightglove.com/
Air typing by blocking watch-like attached lasers with fingers. Presents some infos on technology, photos and the patent abstract.
- Kitty - http://www.kittytech.com/
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.
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