Software that attempts to identify and interpret what is being displayed on the screen. Screen readers are mostly used by blind and visually impaired people. Screen readers are different from text to speech software in that they help users navigate programs and websites, not just reading the text aloud.
- NVDA (NonVisual Desktop Access) (free, Windows)
- VoiceOver on MAC (free)
- VoiceOver on iOS (free, iPad, iPhone, iPod Touch)
There are many types of commercial screen reader software available.