mambomouth
Jumi 
Jumi is the set of custom code extensions for Joomla! 1.0.x, 1.5.x and 1.6.x in their native modes. Since 2006 more then 200.000 downloads. With Jumi * you can include php, html, javascript scripts into the modules position, articles, category or sect ...
Sobi2
Sobi2 - Directory Component with Content Construction Support for Joomla! Already in 2006, as no one talks about CCK for the content management system Joomla! Sigsiu.NET developed a component for Joomla! which has content construction support. Designed ...
JCE 
An award-winning, configurable WYSIWYG editor for Joomla! based on Moxiecode's TinyMCE. Includes advanced Image/Media, File and Link handling, plugin support, and an Administration interface for editor configuration.
Simple Image Gallery
Adding image galleries inside your Joomla! articles is now super-easy and simple, using the magical "Simple Image Gallery" plugin for Joomla! 1.5 - 1.7. The plugin can turn any folder of images located inside your Joomla! website into a grid-style imag ...
Exposé bridge
Exposé is a Flash-based tool which allows you to create eye-catching slide shows of your pictures on the web. A list of the features supported by exposé includes the following: - direct linking to a photo or album - a slide show can be automati ...