Websites using some form of Captcha technology on them.
FancyBox is a tool for displaying images, html content and multi-media in a Mac-style "lightbox" that floats overtop of web page.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
A rich hosted Exchange environment for every user without having to manage a server.
Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.