What are some alternatives?
When comparing Font Squirrel and Open Font Library, you can also consider the following products
Google Fonts - Making the web more beautiful, fast, and open through great typography
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!
Fontspace - FAST and FREE downloads of over 37,000 fonts for personal or professional uses. Fonts for Pinterest projects, DIY wedding invitations, scrapbooking and web design
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.
Befonts - You can download the best fonts, free fonts for personal or commercial use.
TypeCatcher - TypeCatcher allows you to search, browse, and download Google webfonts for off-line use.