Joomla extensions are plugins that you can download and install into your Joomla application to provide added functionality.
Here are some useful ones:
- Joomap - generates sitemap and Google XML sitemap file
- Joomla 1.5 Sitemaps - generates sitemap and Google XML sitemap file
- SocialList Bookmarking Plugin For Joomla 1.5
- sh404SEF - although Joomla has built in SEF, you might want to consider this which has backend parameters to control URL construction behavior and works with and without .htaccess file
- JTags - because Joomla doesn't come with built-in tagging system, you can add this tagging solution.
- Jumi - allows you to include PHP, HTML, Javascript into your article content
- Insert HTML Core plugin and Insert HTML editor button to be used together to let you insert raw HTML into your articles.
- JUGA - stands for "Joomla User Group Access" and provides a finer level than permission in Joomla. Includes access level control on the administrator side.
- QTube - for adding YouTube video on your content
- Seyret Video - if you need video on your Joomla site. Supports 35 video servers.
- Extended Menu - extends the functionality of Joomla menu system. It features CSS menu and sub-menu, split portion of menu to another location, and even load menu items from a custom database table. Extended menu is compatible with some of these menu templates.
- 'Add This' is a social bookmarking Extension for Joomla
- Custom Properties - If you have need to add custom properties to your articles, you can use install the custom properties component. And the custom properties plugin will add a button to your article editor so that you can set properties as you write the article.
- QContact - enhanced contact form with captcha, anonymous submissions, more contact fields like Messenger Id and skype, up to 6 additional custom fields.
Commercial Extensions
- JVideo by InfinoVision.com can be used to build a video sharing community