What font does Basecamp use? The closest font you can get for the Basecamp logo is Interstate Regular…
What font does Citigroup use? The closest font you can get for the Citigroup logo is Interstate Regular font.
Designers: Tobias Frere-Jones
Free alternative fonts for Citigroup logo:
The closest free font you can get is BlueHighway-Regular Font.
About free fonts:
Fonts by Ray Larabie