PT Root UI: Technical Sans Serif Font (Web, OTF, TTF)
A modern uni-width sans serif whose individual character widths are constant across all weights. It has four styles (light, regular, medium and bold), and it's intended for screen reading, interfaces, websites, as well as wayfinding systems. It includes support for Latin Extended and Cyrillic, different sets of figures and currency signs, fractions and indices. Designed by Vitaly Kuzmin and released by Paratype.