Google Fonts - Making the web more beautiful, fast, and open through great typography
Fonts4Free - Archive of freely downloadable fonts for Windows and Mac OS.
Font Squirrel - Font Squirrel scours the internet in search of FREE, highest-quality, designer-friendly, commercial-use fonts and presents them for easy downloading. We don't have the most, but we do have the best.
Fontspace - Free downloads of 70,000+ legally licensed fonts that are perfect for your design projects. The best place in the universe to search for amazing fonts.
FFonts - Free Fonts Download. Free Handwriting Fonts - free fonts download - free fonts online
Open Font Library - The mission of the Open Font Library is to promote your freedoms as it relates to the use of type.