The OAuth 2.0 Logo - oauth2-logo-124px.png (resized)

https://oauth.net/about/credits/

The OAuth logo was designed by Chris Messina.

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The Ruby Logo - ruby-logo-124px.jpeg (resized)

https://www.ruby-lang.org/en/about/logo/

Yukihiro Matsumoto, Ruby Visual Identity Team, CC BY-SA 2.5

https://creativecommons.org/licenses/by-sa/2.5
