What are some alternatives?
When comparing UrbanFonts.com and Linotype, you can also consider the following products
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.
Dafont - Archive of freely downloadable fonts. Browse by alphabetical listing, by style, by author or by popularity.
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!
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.
FontDaddy.com - The best online resource for free fonts. Freeware, public domain and open source fonts. Tens of thousands of free fonts for Mac and PC. Download for free!
Brick - Brick is an open-source webfont service that serves fonts in their original form for high quality rendering across all browsers.