VoiceOver for Mac comes preinstalled on MacOS and iOS operating systems. It works both for primarily-keyboard users and primarily-touchscreen users.
- VoiceOver User Guide
- VoiceOver Command Chart
- VoiceOver Getting Started Guide by Apple
- Quick guide to using VoiceOver on Mac OS X by Victor on victortsaran.net
A video of someone using VoiceOver’s audio charts to play rising and falling tones representing the line chart on Gamestop stock.