Service icons: http://www.tutorial9.net/downloads/designer-icons-professionally-hand-crafted-free-icon-set
Social icons: http://www.komodomedia.com/blog/2009/06/social-network-icon-pack
Contact icons: http://blog.twg.ca/2009/09/free-iphone-toolbar-icons
Font: http://www.fontsquirrel.com/fonts/Charis-SIL