browsersync is nice but it's just a different approach (proxying for multiple clients/tabs) with its own tradeoffs. Polypane is one browser tab (1 debugger, 1

browsersync is nice but it's just a different approach (proxying for multiple clients/tabs) with its own tradeoffs. Polypane is one browser tab (1 debugger, 1 css editor, etc) with multiple viewports, so there's no extra hassle or window-management involved when inspecting an element, editing a style, hitting a breakpoint, etc.