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Dasher

Screenshot with text input and different colored and shaped pieces with letters underneath, the most likely next letter to be typed has the largest shape.Mobile text composing screen with shapes of different shapes and sizes with letters on them.
Model: 
Version 3.0
Product Type: 
Device modifier
Manufacturer Name: 
The Inference Group

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Product Description: 

Dasher is a free information-efficient text-entry interface, driven by natural continuous pointing gestures, that is appropriate for computer users who are unable to use a two-handed keyboard.​

Main Features: 

  • Useful for operating a computer one-handed, by joystick, touchscreen, trackball, or mouse.
  • Can be used for operating a computer with zero hands (i.e., by head-mouse or by eyetracker).
  • Works on palmtop and wearable computers.
  • It is a zooming interface. The user points to where they want to go, and the display zooms in wherever they point.
  • The world into which the user is zooming is painted with letters so that any point the user zooms in on corresponds to a piece of text.
  • The more the user zooms in, the longer the piece of text the user has written.
  • The user chooses what they write by choosing where to zoom.
  • The eye-tracking version of Dasher allows an experienced user to write text as fast as normal handwriting - 29 words per minute; using a mouse, experienced users can write at 39 words per minute.
  • Can be used to write efficiently in any language.

Primary Specifications: 

  • Microsoft Windows.
  • Mac OSX.
  • Source Code.
  • Pocket PC.
  • Apple iOS/iPhone.

More Information: 

See Manufacturer's website.