Automation testing service to verify your business-critical flows are working as intended nightly and on demand.
TestingBot - Automated and Manual Browser and Device testing.
browserling - Live interactive cross-browser testing from your browser.
BrowserStack - BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.
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!
Max Inspect - Inspect Mac apps
Nightwatch.js - Write efficient and straightforward end-to-end tests in Node.js which run against a Selenium/WebDriver server.