» 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

» 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/

» 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/

» 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/

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

» 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/

» 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

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

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