Axe
accessibility engine designed to work on all modern browsers and with whatever tools, frameworks, li…
testing
Free
PA11Y
accessibility testing tool to find issues with your web pages. It runs HTML CodeSniffer from the command line for programmatic accessibility reporting. It's an accessibility developer tool. ! 
AChecker
accessibility testing web app used to evaluate HTML content for accessibility problems. !
testing
Free
loadtest
Run load tests for your web application, with an API for automation
testing
Free
cypress.io
Fast, easy and reliable testing for anything that runs in a browser. Cypress Test Runner is always f…
testing
Free