What font does Hallmark use? The closest font you can get for the Hallmark logo is Channel font.…
What font does Logitech use? The closest font you can get for the Logitech logo is Praxis font.
Designers: Gerard Unger
Free alternative fonts for Logitech logo:
The closest free font you can get is VeranaSans-Regular Font.
About free fonts:
Fonts by Arkandis Digital Foundry