Selenium IDE - Selenium IDE is a Firefox add-on that records clicks, typing, and other actions to make a test, which you can play back in the browser.
Ghost Inspector - Easily create automated browser tests for your websites and web apps. Ensure everything works and looks the way it should. No coding required. 14 day free trial!
browserling - Live interactive cross-browser testing from your browser.
LambdaTest - Perform Web Testing on 2000+ Browsers & OS
Sidekick Browser - The fastest browser for work ever made
mabl - Low-code Test Automation That Scales