The Open Voice Factory - open software for people with communication difficulties
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AAC Keys is a keyboard and mouse emulation program for Microsoft Windows-based and Macintosh computers.
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A free (CC-BY-NC-SA) resource of around 5000 colour and black & white pictographic symbols from Catedu and the Aragonese Portal of Augmentative and Alternative Communication in Spain.
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E-triloquist a PC-based communication aid for a speech impaired person. It serves as an electronic voice for those who cannot speak on their own.
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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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