It's true you can do some of these in each browser, but not all of them. Chrome on mobile lets you split screen tabs, but seems to require an extension on Deskt

It's true you can do some of these in each browser, but not all of them. Chrome on mobile lets you split screen tabs, but seems to require an extension on Desktop. I think you can do tab grouping through a flag, but I haven't really pushed it. Opera has gestures, but the system in Vivaldi seems more robust.