MMBase

If you're looking for a powerful web content management system with advanced portal features and excellent multimedia capabilities, MMBase is definitely worth checking out. Developed in Java and backed by an extensive user base in The Netherlands, MMBase is used by many major Dutch broadcasters, publishers, educational institutions, and national and local governments.

What sets MMBase apart from other content management systems is its commitment to open standards and Open Source Software (MPL). This means that the system can be easily integrated with other major operating systems, application servers, and databases.

If you've used MMBase before or are considering trying it out, you may want to check out the latest release - version 1.8.0 - which includes a host of new features and improvements. Among these are optimized and cleaner code, new datatypes, improvements to fields, new taglib features like integration with EL, and configurable caching mechanisms. Additionally, MMBase now features RichText and other functionalities that make it easier and more intuitive to use. All in all, MMBase is a solid choice for those looking for a flexible, powerful, and reliable content management system for their website or portal.