OpenDyslexic
Product Description:
OpenDyslexic is a typeface designed against some common symptoms of dyslexia. If you like the way you are able to read this page, and others, then this typeface may be for you.
OpenDyslexic is free to use: OpenDyslexic 3 uses the SIL-OFL license, giving you freedom to use it for personal use, business use, education, commercial, books, ebook readers, applications, websites, and any other project or purpose you need.
OpenDyslexic is not supposed to be a cure, a complete solution, or something you should apply uniformly to everyone: it was intended to address: contrast/blindness, letter confusion or rotation, and crowding.