
Description: NVDA is a free, open source screen reader for Windows that allows blind and visually impaired users to access computers through speech and Braille. It's widely used as an alternative to expensive commercial screen readers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ATbar is an assistive technology toolbar for web browsers. It provides quick access to accessibility features like text resizing, color contrast changing, text to speech, and more. ATbar helps make web pages more accessible for people with disabilities.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API