There was a browser that worked on Squeak 3, Whisker, that had some of these attributes. I used it up until it became unsupported. It took a little getting used to as its primary orientation was horizontal, but in the age of widescreen monitors that is an advantage.

Wiki description: https://wiki.squeak.org/squeak/1993

Archive of its homepage. Has an image of the browser in use. https://web.archive.org/web/20070228113449/http://www.mindsp...