Joomla!是一套获得过多个奖项的内容管理系统(Content Management System, CMS)。Joomla!采用PHP+MySQL数据库开发，可运行.在Linux、Windows、MacOSX、Solaris等各种平台上。 Joomla!除了具有新闻/文章管理，文档/图片管理，网站布局设置，模板/主题管理等一些基本功能之外。还可通过其提供的上千个插件进行功能扩展包括：电子商务与购物车引擎，论坛与聊天软件，日历，博客软件，目录分类管理，广告管理系统，电子报，数据收集与报表工具，期刊订阅服务等。

著名的 PHP 内存管理系统 Joomla 发布了全新的里程碑版本 3.0 ，该版本包含的新特性：

Incorporation of Twitter Bootstrap into a jui media package.
A new responsive, mobile device friendly administrator template--Isis-- and interface.
A new front end template--Protostar-- built using Twitter Bootstrap.
Updated accessible template called Beez3.
A simplified 3-step installation process.
PostgreSQL Driver. You will be able to run Joomla 3.0 sites using the PostgreSQL database.
PHP Memcached Driver
Use of JFeed for feed management rather than SimplePie
Installation of language packages directly from the extension manager
Guest user group present by default
Saving blank articles allowed
New administrator statistics module
Update TinyMCE to version 3.5.6
Continued clean up of older unused code, files and database fields and tables and improved standardization of tables.
Improvements to Smart Search
Extensive work on code style standardisation and consistency
Unit testing in the CMS
Updated system tests in the CMS
Custom active menu item for menu module
Let the SEF plug-in add the canonical url to the head
Version 12.2 of the Joomla Platform