Google Analytics is a free web analytics service that tracks and reports website traffic.
jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Mailchimp is a marketing automation platform and email marketing service.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Responsive navigation plugin without library dependencies and with fast touch screen support.
SPIP is a content management system written in PHP that uses one or more databases like SQL, SQLite or PostgreSQL.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.