Responsive Website Test - Test any website on desktop, mobile, and tablet
Keysmith - Create custom keyboard shortcuts for your Mac and the web
Responsive Viewer - View multiple screen dimensions in one view
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
LT Browser by Lambdatest - LT Browser is a free dev friendly browser for developers and testers. You can see mobile view of website on different screen sizes and resolution on 50+ pre installed view ports. You can build, test and debug your website faster then ever.
Metric.live - Real-time and advanced periodic alerts for Google Analytics.