Wasser & stone released the third annual Open Source CMS Market Share Report (2010). Previous reports are available here: 2008, 2009.

The report assesses 20 Open Source Content Management Systems on a variety of metrics related to Rate of
Adoption and Brand Strength. The analysis looks at a broad range of indicators — sowohl direkte als auch indirekte –
with the goal of synthesizing trends and patterns that define the market leaders.

Some metrics/indicators:

• Product downloads
• W3Techs’ analysis of technologies used on the top one million websites in Alexa’s rankings
• BuiltWith’s technology rankings
• The number of developers offering services in the technology on Elance and Guru
• The number of books in print for the platform
• Google page rank

What’s Different This Year?

Dropped platforms:

• Jahia
• phpWebSite

New players:

• Concrete5
• Movable Type

Die Top- 20 (in alphabetischer Reihenfolge)

The Market Leaders

• WordPress
• Joomla!
• Drupal

For the third year running, WordPress, Joomla! and Drupal dominate the market share and brand strength
ratings in the open source CMS market. The Big Three lead in almost every metric.

Die wichtigsten Schlussfolgerungen des Berichts

• Die Big Three — WordPress, Joomla! und Drupal — remain firmly in command of the market.
• WordPress has taken the lead in brand strength after a strong growth year.
• The gap continues to narrow between .NET market leader DotNetNuke and contender Umbraco. Diese
• continues the trend observed in the 2009 Bericht.
• Liferay leads the Java WCM market, though Alfresco is not far behind and in fact leads in several metrics.
• Up and coming systems to watch include: Concrete5 and Umbraco.
• Systems possibly at risk include: Textpattern and Xoops.