Wordpress, Drupal, Joomla areTop in 2011 Open Source CMS Market Share Report

Water&stone released its 2011 Open Source CMS Market Share Report, which shows that Wordpress, Drupal and Joomla command the market, but Concrete5 had a great year and is a CMS to watch.
The report looks at the brand strength and market share of 20 open source web content management systems, and findings indicate that the market is both deeper and wider this year over 2010, making the "top 20" harder to call.

Top Twenty

The Top 20 open source content management systems listed in the report are (in alphabetical order):

• Alfresco Web CMS
• CMSMadeSimple
• Concrete5
• DotNetNuke
• Drupal
• e107
• eZ Publish
• Joomla!
• Liferay
• MODx
• Movable Type
• OpenCms
• Plone
• SilverStripe
• Textpattern
• Tiki Wiki CMS Groupware
• Typo3
• Umbraco
• WordPress
• Xoops

The report looked at rate of adoption and brand strength. Data gathered included downloads, installations and third-party support, but getting this data was problematic. For example, download data was not available for all the systems, so take the results with a big dash of salt. To determine weekly downloads, often the source relied on was a spokesperson for the CMS.

Results

With a 517% increase in downloads, Concrete5 is this year's little CMS that could. Although Wordpress downloads dropped by about 34% in 2011, the CMS remains the most popular with almost 645,000 downloads.

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