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NPointerScreenshot 

 

Computer control with simple hand gestures near a webcam and voice commands. The freeware app provides gestural and vocal computer control and navigation by emulating the actions usually performed with a mouse or touchpad: pointer movement, clicks, double-clicks, drags and scrolls. Works on Microsoft Windows with regular and laptop webcams. Disabled people may also use head movements for added accessibility. Does not require installation.

Screenshot of NPointer