Rubik is a sans serif font family with slightly rounded corners designed by Philipp Hubert and Sebastian Fischer at Hubert & Fischer as part of the Chrome Cube Lab project.
Rubik is a 5 weight family with Roman and Italic styles, that accompanies Rubik Mono One, a monospaced variation of the Black roman design.
Meir Sadan redesigned the Hebrew component in 2015. Alexei Vanyashin redesigned the Cyrillic component in 2016.
To contribute, see github.com/googlefonts/Rubik.