* AdSense Module (Clicksafe) for Joomla 1.5
* Random Image Plus
* Template Chooser Module
* yvComment
* yvSmiley
* JXplorer (File Management And Sharing System)
* Alias for PageTitle Plugin (SEO without core hack)
* Stage6Plugin
* Slider Plugin
* Custom Code
* Bad Behaviour Plugin
* Hello World
* Hello World 2
* NoFollow Plugin
* Ulti Clocks
* OSTWigits – Captcha
* BW Google Verified Plugin
* Ulti Sudoku
* World Time Clock
* WikiBot2
* Joomla! 1.5 templatebuilder for Dreamweaver
* MjazTools Personalize
* Radius Authentication Plugin
* SearchCloud and Lists 2.2 – SEO Boost – 1.5 Native
* Translations Manager
* eXtplorer
* JC User Import
* Joomla Advanced Message
* Jx Latest Commented
* IncludePHP
* RokClub
* RokTodo
* RokSlideshow
* RokZine (commercial)
* RokFinder
* RokThings (club membership required)
* RokDownload
* RokComment (club membership required)
* RokBridge
* mod_zulu
* Manifest Maker for Components

Courtesy: Joomla Forums

There are many hosting companies those providing Joomla Hosting, while choosing a host providers for joomla make sure to choose a hosting company that offering personalized plans and providing dedicated support level for Joomla.