Plone (content management system)

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Plone

Screenshot of default Plone install
Developer:	Alan Runyan, Alexander Limi, Vidar Andersen and the Plone Team
Latest release:	2.5.2 / January 17, 2007
OS:	Cross-platform
Platform:	Zope
Use:	Content management system
License:	GNU General Public License
Website:	http://plone.org/

Plone is an open-source content management system built on top of the Zope application server. Plone is free software and is designed to be extensible. It is suited for an internal website or may be used as a server on the Internet, playing such roles as a document publishing system and groupware collaboration tool.

Plone is released under the GNU General Public License. Major development is conducted periodically during special meetings called Plone Sprints. Additional functionality is added to Plone with Products, which may be distributed through the Plone website or otherwise. The Plone Foundation owns and protects all intellectual property and trademarks. Plone also has legal backing from the council of the Software Freedom Law Center.

Plone's strength is accessibility and multi-linguality. It's secure, but has heavy resource dependencies. Plone is noted as a good intranet software. High-load production internet sites should not run on a setup without using caching via Apache/Squid in front, combined with the CacheFu Plone product.

The Plone project was started in 1999 by Alan Runyan, Alexander Limi, and Vidar Andersen. It has quickly grown into one of the most popular and powerful open-source content management systems in the world.^[1] In 2004, the Plone Foundation was formed to handle development, marketing, and legal issues.^[2]