Ogra Sans is a blocky bold font that gives a sense of industrial feel.
Pangram Sans is a beautifully crafted geometrical sans serif inspired by top geometrical fonts this industry has to offer.
Supply Mono is a versatile monospaced font that was inspired by industrial designs and architecture.
Rubik is a open source sans serif font family with slightly rounded corners designed by Philipp Hubert and Sebastian Fischer, and as part of the Chrome Cube Lab project.
Designer: Néstor Delgado
Permission: Free for personal and commercial use
Styles: 2 (Regular and Bold)
Designer: Alex Dale
Permission: Free for personal and commercial works
Designer: Leonardo Gubbioni
Permission: Free for personal use only
Designer: Lexi Griffith
Permission: Free for non-commercial projects
Designer: Jamie Wilson
Commercial use: OK
SIL Open Font license