Free software that enables users with reduced mobility to access the computer through the use of other physical devices (push buttons and keyboard), or sound (microphone), other than the conventional mouse.
A free set of tools designed for alternative and augmentative communication that facilitates functional communication through the use of images and pictograms for people with communication disabilities.
A free text entry interface in which users first speak their desired text and then use the zooming interface Dasher to confirm and correct the recognition result.