Xbox Adaptive Controller

The Xbox Adaptive Controller is a video game controller designed by Microsoft for Windows PCs and the Xbox One video game console.
A physical disability, or physical functional diversity[1], is any disability which limits the physical function of one or more limbs. Other physical disabilities include impairments which limit other facets of daily living, such as respiratory disorders and epilepsy.
The Xbox Adaptive Controller is a video game controller designed by Microsoft for Windows PCs and the Xbox One video game console.
Florence is an extensible scalable virtual keyboard for X. You need it if you can't use a real hardware keyboard, for example because of injury, handicap, your keyboard is broken or because you use a tablet PC, but you must be able to use a pointing device (as a mouse, a trackball, a touchscreen or opengazer); If you can't use a pointing device, there is gok, which can be used with just simple switches.
mouse4all is an accessibility solution that allows the use of Android tablets and smartphones without touching the screen. It enhances the autonomy of its users enabling the access to Internet, social networks and all types of applications. mouse4all allows the connection of switches, mice, trackballs and joysticks to any Android device.
A footmouse (also spelled foot mouse) is a type of computer mouse that gives the users the ability to move the cursor and click the mousebuttons with their feet. It is primarily used by users with disabilities or with high-back or neck problems. It is also promoted as a way to prevent such problems in the future and as a means to increase productivity by not having to move one's hand between the keyboard and mouse.
Source: Wikipedia
A joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling. A joystick, also known as the control column, is the principal control device in the cockpit of many civilian and military aircraft, either as a center stick or side-stick. It often has supplementary switches to control various aspects of the aircraft's flight.
Source: Wikipedia
A virtual mouse is an on-screen software designed for anyone with a disability that makes it difficult or impossible to mouve or click a physical computer mouse.
Source: TecnoAccesible