When comparing Advantage CSP vs Joomla!, the Slant community recommends Joomla! for most people. In the question“What are the best CMS for building a multilingual website?” Joomla! is ranked 6th while Advantage CSP is ranked 10th. The most important reason people chose Joomla! is:
Joomla allows for heavily customizable templates to be changed from the admin interface without needing to hack.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Multi-Site Publishing
Allows to manage multiple website front-ends from one common back-end.
Pro Version Control
Pro Highly customizable templates
Joomla allows for heavily customizable templates to be changed from the admin interface without needing to hack.
Pro Powerful and user-friendly admin interface
Admin interface is constantly being iterated on to remove unnecessary legacy features and to streamline the interface. Resulting in a very clean and easy to understand interface that also offers a wide range of options.
Pro More than 8000 extensions
Which can be found here.
Pro Easy to pick up
Pro Great for social networking and commerce sites
Joomla has both a good native support and a great list of extensions that make creating either a social networking or a commerce site easy.
Cons
Con Learning curve
Con Insecure
It's common-place for a Joomla-based website to be defaced, often very quickly. This is most often due to the low quality of extensions.
Con Extensions are scarce, badly maintained & rarely good
If it's not part of the default Joomla installation, quality extensions are rare. Joomla has a extensions library, but it is full of abandoned, dated or bloated components, modules and plugins.