What font does Casema use? The closest font you can get for the Casema logo is Frutiger Black…
What font does flickr use? Starting 2004 flickr logo has been using Frutiger font .
In 1968, Adrian Frutiger was commissioned to develop a signage system suited to the architecture of the new Charles de Gaulle Airport outside Paris; he designed a simple, clean, robust sans serif type that is highly legible. In 1976, Frutiger completed the family for the Stempel foundry.
Free alternative fonts for flickr logo:
The closest free font you can get is M+ 2c heavy font
About free font:
Font by M+ FONTS