Simple Icons is a set of 100+ free beautiful social icons that cover almost all of the well-known social services (Twitter, Pinterest, Behance, Foursquare, Instagram, Google+ and much more). All the items are placed on a different background color that matches the related brand and all looking slick.
It is free set of PNG icons in eleven sizes, black and white, from 16px to 4096px, with an accompanying list of colour codes.
The Simple Icons set and associated files are distributed by Dan Leech under the Free Art Licence. Company logos and icons may be subject to trademark and copyright conditions.