Jumi - The set of native custom code extensions for Joomla!With Jumi you can: include - quickly and easily - smart javascript, php, html, css, dhtml script files or plain txt files into your Joomla! quickly develop small and simple customized Joomla! extensions - component, modules and plugin - like flash shows, ads, scrollers, pictures presentation, etc., etc.
rapidly develop even more sophisticated solutions for Joomla! including database manipulation like blogs, calendars, shopping carts, surveys, etc., etc.

Simple Image Gallery - Easily add multiple image galleries inside your content itemsAdding image galleries inside your Joomla! articles is now super-easy and simple, using the magical "Simple Image Gallery" plugin. It can turn any folder of images located inside your Joomla! website into a grid-style image gallery with cool lightbox previews.

ShowPlus - Image Slideshow for Joomla!ShowPlus is an eye-catching slideshow for a front-page to display a set of images with user-defined transition between them. It is easy to get started with but offers a number of customization options for more advanced users.

Xmap - A powerful site map generator for Joomla! CMSXmap is a powerful site map generator for Joomla! CMS. Xmap allows you to create a map of your site using the structure of your menus. It not only generates a site map for the users, but also it's able to dynamically generate a XML sitemap to use with Google, Bing and other spiders/robots.

Maxi Menu CK - Advanced dropdown megamenuMaximenu CK is a module which can create a multicolumns megamenu for Joomla! with some nice mootools effects. You can organise your menu as you want with the multiple options and optional graphic themes.