Top 10 Best Web Fonts/typography site/sources1. Google Web Fonts
Google Web Fonts is a utility allowing your browser all the fonts available via the Google Fonts API. All fonts in the directory are available for use on your website under an open source license and are offered and shored up by Google. This is the best source for web fonts.
2. Font Squirrel
Font Squirrel is an assortment of free fonts designed for commercial use. It hunts for truly free, and high quality fonts over internet. It also has world’s greatest singular of its type. It you have a font-face license for your fonts, its generator can be used to create webkits or to tweak your existing kits to improve rendering and file sizes.
This website comes with hundreds of thousands of desktop and web font products for you to preview, purchase and download. Here, you can also learn about new typeface releases and find typographic tips and techniques. It also offers daily dose of typography from the contribution of other contributors as well. You will learn about type from print, web, mobile and more.
Brick is an open source webfont service that offers fonts in their original shape for high quality rendering across all browsers. Here, the URL formatting rules are similar to those found at Google Web Fonts. The Brick offered fonts are clones of the original, converted without modification to WOFF format for high quality rendering and quick loading across all latest browsers.
FontDaddy is one of the best online resource for free fonts. FontDaddy is freeware, with public domain and open source fonts. It offers you download hundreds of thousands of fonts for Mac and PC for free. Here, you can browse all the free fonts in its library by font category or font name, besides you can also discover new and popular fonts here.
6. Edge Web Fonts
7. Open Font Library
Open Font Library aims at promoting your freedoms as it links to the use of type. All of the fonts found here are featured with the freedom to use, study, share and remix. all these fonts can easily be included on your website’s design. It also allows you to contribute with your fonts after signing up to become a member.
Typekit can be regarded as the easiest way to use real fonts on the internet. It is a subscription-based service for linking to high-quality Open Type fonts from some of the world’s leading and best type foundries. It brings about hundreds of fonts from foundry partners into one assortment for fast browsing, easy use on the web or in applications, and limitless typographic inspiration.
Dafont is an archive of freely downloadable fonts where you can browse alphabetically, by style, by author or by popularity. The fonts offered here are their author’s property, and are either freeware, shareware, demo versions or public domain. The license mentioned above the download button is just a preamble.
10. Fonts For Web
Fonts For Web is a free web fonts sharing website that automatically converts your uploaded TTF into web fonts for instant use. It contains more than 1000 free webfonts inside its archive. Here, you can discover impeccable web fonts for your websites and share your own as well. You just need to click ‘font category’, select the font you like, and download the package and unzip it for use.
So which one you use and which one you are going to use don't forget to mention :)