jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library. Whether you're building highly interactive web applications or you just need to add a date picker to a form control.
Akamai provides a distributed computing platform for global Internet content and application delivery.
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.