Vector Social Media Icons by IconDock.com
URL: http://icondock.com/free/vector-social-media-icons

Diaspora icons by [CreativeKaizen](http://creativekaizen.deviantart.com/art/Diaspora-Icon-Set-257241499).

Goodreads icons by [Paul Robert Lloyd](http://paulrobertlloyd.com/2009/06/social_media_icons/), under [Creative Commons Attribution-Share Alike 3.0 license](http://creativecommons.org/licenses/by-sa/3.0/).

Note: the company logos in the icons are copyright of their respective owners.