Can't think of the browser but there is a hobby browser designed for modal --vim-- usage that displays history as a tree similar to a file structure rather than

Can't think of the browser but there is a hobby browser designed for modal --vim-- usage that displays history as a tree similar to a file structure rather than as a flat back and forward. I wish I could remember the name of it... I do recall it was listed on qutebrowser's github page under similar projects but I can't look right now.