Free Speech is a free and open source augmentative and alternative communication (AAC) program that provides a low-cost alternative to dedicated speech generating devices (SGD).
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A symbol set designed by professionals that is free.
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Plaphoons is a comprehensive tool for alternative access and AAC.
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SITPLUS is a free software (GNU GPL) framework whose main goal is to provide ludic-therapeutic activities for people with disabilities. It offers new forms of interaction based on computer vision, voice and other peripherals to produce a result in the form of image and sound.
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The Tablet PC Speech Assistant can make it fairly easy for some people to have phrases that they often use spoken by the default voice on the Tablet PC.
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The complete authorised Blissymbol vocabulary (the BCI-AV) resources of over 5000 basic Blissymbol concepts - characters and words - are available under a free CreativeCommons-BY-SA license. (Note: Registering and login required for access)
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