Games and Software for People with Motor or Visio-Spatial Difficulties
These links can help you find software that can help people with motor or visio-spatial problems make the most of their computer use. I've included some links where you can download games which may help people develop their visio-spatial skills (like Tetris). NOTE: I'm not affiliated with any of these companies, and I have no professional interest in what they're offering.
These games are used by therapists to help children with autism learn things like sound sequencing through visio-spatial games. I think they could also help those with visio-spatial difficulties learn visio-spatial sequencing. (I play the demo of a circus game; it's fun, but it takes a while to load).
A company which makes voice-recognition software.
This site has TONS of Tetris-style games for Windows.
Stuff to Download