Cypress.io - Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.
RainforestQA - Insanely simple testing. Create tests for your website in plain English, then run them across all major browsers with a single click. Powered by human intelligence
LambdaTest - Perform Web Testing on 2000+ Browsers & OS
Parrot QA - Automate your bug testing without writing a line of code.
Appium - Appium is an open source test automation framework for use with native and hybrid mobile apps.
Calm QA - Calm QA is an easy to use, pleasant tool for helping teams organize their QA.