An extension is a software package that extends your Joomla! installation in some way. A small selection of extensions is included with the default Joomla! installation but many more are available from the Joomla! Extensions Directory.
The term extension is generic and the following specific extension types are available (listed alphabetically):
For an overview of the most important extension types and the functionality they provide, see Extension types (general definitions).
Mira també: Taula d'extensions