
Description: Colour Contrast Analyser is a free tool by Paciello Group that helps check the colour contrast ratio between two colours to determine if they meet WCAG accessibility guidelines. It can quantify compliance with AA or AAA level colour contrast requirements.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Who Can Use is a free and open source browser extension that helps determine if a website complies with web accessibility standards. It injects icons and indicators to reveal accessibility information about elements on each page.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API