nerdfury
Article Footer
This plugin allows you to add a footer to the bottom of every article. You can specify a different footer for guests and registered users. HTML is supported, the footer is simply appended to the article as it is displayed. v1.1.0: - The footer e ...
QTube
QTube is a simple plugin designed to perform a very simple task: embedding YouTube hosted videos in a Joomla! content item. I'm aware that there are plugins that allow you to include videos from many other sources, but when all the videos you need are hos ...
Akeeba Backup 
Akeeba Backup Core is the successor to the now famous JoomlaPack component. In a nutshell, Akeeba Backup Core is an open-source backup component for the Joomla! CMS, quite a bit different than its competition. Its mission is simple: create a site backup t ...
Website Name
This plugin allow Joomla 1.5 to display the Website name on frontend. You just have to install and publish it. You can choose if you want the website name before or after the page title. Update : 1.0.1 (3 may 2008) correction of a bad behaviour with ...
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.
Easy Ping
Easy Ping is a plugin that adds ping to search engines support to Joomla 1.5. It can ping popular search engines like google, yahoo, msn live, technorati, and more. In addition it autocreates a sitemap.xml file with last 100 contents. Also, if yo ...