Android Icons - Androidicons is a professional, handcrafted icon set with 250 icons in 14 different colors and 5 sizes, including an icon font and all sources.
Typekit - This will change the way you design websites. Add a line of code to your pages and choose from hundreds of web fonts. Simple, bulletproof, standards compliant.
Octicons - Your project. GitHub's icons.
Fonts.com - Fonts.com provides the biggest and best selection of high quality desktop and web fonts. Try, buy and download classics like Helvetica, Univers, Frutiger, Trade Gothic and Avenir along with popular new fonts like Soho and Neo. Find your type!
WebHostingHub Glyphs - High quality icons that are easy to use with Bootstrap, other CSS frameworks and in any web projects.
Open Font Library - The mission of the Open Font Library is to promote your freedoms as it relates to the use of type.