Well, you can always default your home page to the /tags route.
It's actually a setting in the Admin CP under Basics.
https://discuss.flarum.org/tags
A live and public example.
But in retrospect, Flarum is modern and unique, looking like other forum software with regards to design wouldn't make Flarum stand out from the rest. I believe the tag system is beautiful all around (other than having to fidget around with the drag and drop of tags to get them in the right order).