Tumblr Icon
Simple Social Icons
Commercial usage: Allowed
Social Media Balloons Icons 2
Social Media Stamp Icons
Mighty Social Icons
Square Buttons Icon Set 4-5
Commercial usage: Not allowed
Shadow Amazon Icon
Moskis Gems Flat Icons 1
Shadow Basecamp Icon
Shadow Bitacoras Icon
Shadow Blogger Icon
Shadow Cargo Collective Icon
Shadow claimID Icon
Shadow Creative Commons Icon
Shadow Delicious Icon
Shadow DesignFloat Icon
Shadow Designmoo Icon
Shadow deviantART Icon
Shadow Digg Icon
Shadow Dribbble Icon
Shadow Drupal Icon
Shadow Ember Icon
Shadow Evernote Icon
Shadow Facebook Icon
Shadow FeedBurner Icon
Shadow Flickr Icon
Shadow Formspring Icon
Shadow Forrrst Icon
Shadow Foursquare Icon
Shadow Miso Icon
Shadow Groovershark Icon
Shadow Identica Icon