Exo2 -  Open Font License available at https://fonts.google.com/specimen/Exo+2
Josefin Sans - Open Font License available at https://fonts.google.com/specimen/Josefin+Sans
Roboto - Open Font License available at https://fonts.google.com/specimen/Roboto
Kimberley - Free License available at https://www.dafont.com/kimberley.font
Gotham Narrow - Free License available at https://fontsgeek.com/gotham-narrow-font
Optimus Princeps - Free License available at https://www.dafont.com/optimusprinceps.font
Pricedown - Free license available at https://www.dafont.com/pricedown.font