None - Doesn't use software

The String switch is activated by using 1.5-oz/43-g of activation force to pull the string down.

Switch control activated with either a "sip" or "puff" of the lips with the included small mouth piece.

Activate this single switch by simply moving your head. The Chin switch can be positioned anywhere around the neck with plastic tubing that can be cut to fit, like a custom necklace.

Infrared switch control that works by detecting a beam of reflected pulsed infrared light.

The Trigger switch is a waterproof and dust-proof switch that is designed to meet rugged needs.

The Cap switch features a 2-in/5.1-cm activation surface and non-slip base that provides auditory click and tactile feedback and requires 9-oz/255-g of force to activate.

Durable switch control that is resistant to dust and dirt and can be submerged in water with a depth up to 1-meter for up to 30-minutes.

A device that can replace up to six mechanical switches to control anything that has been switch-adapted from the Switchamajig iPad App.

A switch interface that allows users to connect one or two switches via USB.

The PowerLink 4 allows switch users to control up to 2 electrical appliances with single switches.