Bungee first caught my attention with unique horizontal scrolling design and vertical typography. But it is more than a font optimized for vertical signs, the stylistic alternates open up so much more styles. Have I not mention the font is free on Google Fonts as well?
Explore related resources
Utopia is a calculator that help you to tokenize spacing values to be used with their fluid type calculator.
New serif typeface under Google's Roboto font family. It also includes a special variable font option to optimize display base on optical size axes.
Typewolf is an indie typography resources blog curated by Jeremiah Shoaf. It recommends fonts and explores trending typography site on daily basis.