1. Responsive design. Easy with the Polypane browser.

    paid Free Trial $10.0 / Monthly (Pro)

  2. 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

  3. Test your app on 100s of real devices in the cloud.

  4. Run any browser instantly online.

  5. QA platform to test web & mobile apps

  6. TestingWhiz is a codeless test automation tool for software, mobile and web.

  7. Free cross browser compatibility testing tool online to test on 2000+ desktop and mobile browsers. Get online virtual access to machines running real browsers and real operating systems on cloud.

    freemium $15.0 / Monthly

  8. Codeception is a new full-stack testing PHP framework.

  9. Automated and Manual Browser and Device testing.

    freemium $20.0 / Monthly (Unlimited Live Testing)

  10. Website Screenshot - Capture Web Page Snapshot - Software Service

  11. Online service for testing mobile and responsive websites in various device emulators.

  12. Download Blisk - a browser for web developers. Blisk is a toolbox for development, debugging and testing: emulation, sync, analytics, and screenshots.