SPIP (Système de Publication pour l'Internet) is a free software content management system designed for web site publishing, oriented towards online collaborative editing.
The software is designed for easy setup, use and maintenance. The last P in the word SPIP stands for both Partagé (shared) and Participatif (participative), in the sense that the software is designed for collective online editing. Its mascot is a flying squirrel, in reference to the French-Belgian comics character Spip.
It is used by institutional sites, community portals, academic sites, associations, personal webpages, and news sites, an (incomplete) list of which being maintained on the project website's portfolio.
Beginning with version 4.2.5 (1 September 2023), Spip is moving to a monthly release schedule.