Chromium vs Polypane

Chromium is the open-source web browser project that forms the foundation for Google Chrome, Microsoft Edge, Brave, and many other browsers. It provides the Blink rendering engine, V8 JavaScript engine, and a multi-process architecture.

Polypane is Browser built for web developers, showing multiple viewports simultaneously with built-in accessibility and layout debugging tools.. It is available under a paid model. This tool falls under the browsers category.