Opera Browser vs Polypane: What are the differences?
Opera Browser: A multiplatform web browser. It is a secure, innovative browser with a built-in ad blocker, free VPN, units converter, social messengers, battery saver and much more - all for your best browsing experience; Polypane: *Cross-platform browser for responsive web design *. Polypane is a cross-platform browser for responsive web design and development. See your website in multiple screen sizes at once and make it look great, everywhere.
Opera Browser and Polypane belong to "Web Browser" category of the tech stack.