90 Free Flat Social Media Icons
This set of social icons is in flat design style and includes 90 social media platform icons in vector format (both .ai and .eps files) so they are fully editable and scaleable. This set comes in both color and grey scale, so you can use them with their respective colors or color them your own way.
This set is free to use for both personal and commercial projects. http://enfuzed.com/90-free-flat-social-media-icons/