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SPIP (Système de Publication Pour l’Internet) is a publishing system initially developed to manage the site uZine, and officially released to the public on July 1, 2001.

SPIP started with a French only interface, so it was not well known outside the French speaking world until, with SPIP release 1.6 in May 2003, English, Spanish, German and many other languages were supported as well.

SPIP is a PHP and MySQL application, and is made available under the GNU GPL (General Public License).