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Open source assistive on-screen keyboard that runs on Windows

This is an exact mirror of the OptiKey project, hosted at https://github.com/OptiKey/OptiKey/wiki. SourceForge is not affiliated with OptiKey.
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OptiKey is an assistive on-screen keyboard designed to bring keyboard control, mouse control and speech to people with motor and speech limitations. Completely free, open source and compatible with low cost eye-tracking devices, it is a great alternative to often expensive and complicated AAC (alternative and augmentative communication) products. It can also be used as an alternative to a physical keyboard or mouse.

OptiKey runs on Windows and works right out of the box once an eye-tracking device is installed. Without an eye-tracking device however it can still be used with a mouse or webcam.

OptiKey Web Site


  • Allows selections via dwell selection, physical buttons and assistive devices
  • Can be used with eye-tracking device, mouse or webcam
  • Can be used as alternative to physical keyboard or mouse
  • Automatically inserts spaces between words and capitalises letters to increase typing rate
  • Types whole words and phrases in a single selection by "swiping" or "auto-complete"
  • 'Speak' key converts everything typed into speech
  • Can be used to type into any application


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