Firefox vs Polypane: What are the differences?
Firefox: Mozilla's Web Browser. A free and open source web browser developed by The Mozilla Foundation and its subsidiary, Mozilla Corporation. Firefox is available for Microsoft Windows, macOS, Linux, BSD, and more; 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.
Firefox and Polypane can be primarily classified as "Web Browser" tools.