Joomla! is one of the most popular open source content management systems CMS on the net which is secure, flexable and easy to use. It is also released / licensed under the GNU/GPL license so its free to use.

Joomla! features include:

• Completely database driven site engines
• News, products or services sections fully editable and manageable
• Topics sections can be added to by contributing authors
• Fully customisable layouts including left, center and right menu boxes
• Browser upload of images to your own library for use anywhere in the site
• Dynamic Forum/Poll/Voting booth for on-the-spot results
• Runs on Linux, FreeBSD, MacOSX server, Solaris and AIX

Extensive Administration:

• Change order of objects including news, FAQs, articles etc.
• Random Newsflash generator
• Remote author submission module for News, Articles, FAQs and Links
• Object hierarchy - as many sections, departments, divisions and pages as you want
• Image library - store all your PNGs, PDFs, DOCs, XLSs, GIFs and JPEGs online for easy use
• Automatic Path-Finder. Place a picture and let Joomla! fix the link
• News feed manager. Choose from over 360 news feeds from around the world
• Archive manager. Put your old articles into cold storage rather than throw them out
• Email-a-friend and Print-format for every story and article
• In-line Text editor similar to Word Pad
• User editable look and feel
• Polls/Surveys - Now put a different one on each page
• Custom Page Modules. Download custom page modules to spice up your site
• Template Manager. Download templates and implement them in seconds
• Layout preview. See how it looks before going live
• Banner manager. Make money out of your site

For more information visit the following links.

Joomla offical web site.

Joomla forum

Download Joomla!