Chapter 6Extending Joomla!
In This Chapter
It’s difficult to find a Joomla-powered website that has not added functionality beyond the basics with some sort of extension. The word extension collectively describes components, modules, plugins, templates, and languages.
Thousands of extensions are available both free and commercially from third-party providers. You can find out more about them at extensions.joomla.org (for GPL) and other commercial directories (for non-GPL).
Late 2007 saw the release of Joomla 1.5, which signified a major rewrite of the software. It was a significant enough change that extensions had to be rewritten to operate efficiently in the new version. That is why you see extensions classified as 1.0 Native, 1.5 Legacy, ...