If you are interested in a feature summary and detailed review of WordPress, Joomla, Drupal and Plone, four popular content management systems, than you should check out the report by Idealware. Idealware provides "candid Consumer-Reports-style reviews and articles" about software of interest to nonprofits.
In March 2009, the organization published an interesting comparative analysis of four popular content management systems, including Joomla.
The organization compared the systems on the following aspects:
- Ease of Hosting and Installation
- Ease of Setting up a Simple Site
- Ease of Learning to Configure a More Complex Site
- Content Admin Ease of Use
- Graphical Flexibility
- Structural Flexibility
- User Roles and Workflow
- Community/ Web 2.0 Functionality
- Extending and Integrating
- Scalability and Security
- Site Maintenance
- Support/Community Strength
Not surprisingly, Joomla 1.5 scored relatively low on ACL (the Access Control List), an issue that will be resolved in Joomla 1.6. The report is available for free here and is worth reading.