
Description: Colorblinding is a free Chrome extension that allows you to simulate different types of color vision deficiency on web pages. It's useful for designers and developers to test if their websites are accessible for people with color blindness.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: RGBlind is an open-source screen reader software for blind and visually impaired users. It provides text-to-speech and aids accessibility for using computers. It's a free alternative to expensive commercial screen readers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API