Based on our record, Responsive Viewer should be more popular than uEye. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I'd also add a game by Design course to this list: https://designcourse.com/app/course/ueye. Source: over 2 years ago
Bonus! Useful Chrome extension for Responsiveness Testing. - Source: dev.to / about 1 year ago
This chrome extension with all of the breakpoints set up https://chrome.google.com/webstore/detail/responsive-viewer/inmopeiepgfljkpkidclfgbgbmfcennb. Source: over 1 year ago
Uxcel - The easiest way to learn UX/UI design
Responsive View - Test your responsive design across different devices
UI Coach - Become a better UI designer in 30 days
Multi Screen Test - Test your site at different screen resolutions & devices.
Checklist Design - The best UI and UX practices for production ready design.
Responsinator - Designed to test responsive websites on different devices.