Google Fonts - Making the web more beautiful, fast, and open through great typography
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.
Typewolf - Typewolf helps designers choose the perfect font combination for their next design project—features web fonts in the wild, font recommendations and learning resources.
Dafont - Archive of freely downloadable fonts. Browse by alphabetical listing, by style, by author or by popularity.
Font Generator - Tons of font ideas in one click
Font Pair - Font Pair helps designers pair Google Fonts together. Beautiful Google Font combinations and pairs.