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.
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.