treebeard
Ninja ShadowBox
The ultimate modal multimedia pop up has finally come to Joomla! - Tired of JavaScript conflicts for your lightbox? - Want to be able to show images, links, flashfiles, and virtually any type of video using the one extension? - Sick of the headache o ...
Shadowbox Media Viewer
Shadowbox is an online media viewer application that supports all of the web's most popular media publishing formats. Shadowbox is written entirely in JavaScript and CSS and is highly customisable. Using Shadowbox, website authors can showcase a wide asso ...
eXtplorer 
eXtplorer is a web-based File Management Component for all your needs. It has a desktop-application-like interface with drag&drop, grid and a directory tree and makes heavy use of the ExtJS Javascript Library. You can use it to access and modify the file ...
Advanced Social Bookmarker
Prova's Advanced Social Bookmarker is a small plugin designed to easily add a Share this button to the bottom of your articles, & Digg, Tweet (Twitter's new button), Share on Facebook, Google & Yahoo badges to the top. You can personalize which services ...