webhint : webhint is a linting tool that will help you with your site's accessibility, speed, security and more, by checking your code for best practices and co...
Maestro : Maestro is the easiest way to automate UI testing for your mobile app.
aXe : Automated tool to find Accessibility defects on your web site by using the aXe Chrome extension. Drop the aXe on your accessibility defects! We believ...
Pa11y : Monitor the accessibility of your websites with pa11y-dashboard, and protect against accessibility errors creeping into your codebase.
Screenfly : Test Your Website at Different Screen Resolutions
The mobiReady testing tool evaluates mobile-readiness using industry best practices & standards.