Tomtomjoomla
Modules Anywhere 
Modules Anywhere - place modules anywhere you can enter text. With Modules Anywhere you can include a single module or complete module positions anywhere in your site, including within 3rd party components and even within other modules. Why use Mo ...
Marco's SQL Injection
This plugin adds a simple but, in most cases, fondamental protection against SQL injection and LFI (local files inclusion) attacks. It checks data sent to Joomla and intercepts a lot of common exploits, saving your site from hackers. * Filters requests ...
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 ...
Kunena
Kunena - The leading Joomla Forum Component. Downloaded more than 1,850,000 times in 3 years since its start. The only forum/discussion solution for Joomla that is community driven. No hidden fees, no surprises - true open source. See our public forums, G ...
Registration Validator
Stop bots and spammers WITHOUT CAPTCHA. Works with Community Builder 1.2, Virtuemart, CBE, AjaxRegistration, JomSocial. Captcha is annoying for users, and also has accessibility issues. This plugin prevents unwanted signups without needing captcha or ...
AvReloaded
Attention! A serious SQL injection vulnerability was just found in AllVideos Reloaded! A zero-day exploit already exists in the wild, which uses this vulnerability in order to steal your user-database! All users of version 1.2.6 and below, update to v ...
hwdVideoShare
The hwdVideoShare video sharing gallery is an open source (GNU GPL) video sharing Joomla extension that functions like that of other popular video sharing websites such as YouTube. It features multiple uploading tools for large media uploads. The componen ...
Marco's noFollow
This plugin allows you to add "rel" and "target" attributes to all outgoing links in articles on your Joomla!, so you can avoid to disperse the Page Rank on the web by setting the attribute rel = "nofollow" on all outbound links, and you can keep visitors ...
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 ...
Sexy Bookmarks
Sexy Bookmarks for Joomla is a small plugin which provides the possibility to add different social bookmark services to your Joomla based Website. The (X)HTML compliant code will add a list-based menu with different icons in each article. This allows your ...
Disable Core Registration
As of version 1.5.3, supports search engine friendly urls (SEF)! Thanks goes to "Schandiwe". FROM NOW ON, this plugin is not only for Community Builder; but also supports other user management components. Read on... Although you unpublish Joomla's ...
Billets
BILLETS is a Joomla Support Ticket and Help Desk component from the crew behind TIENDA, JUGA, SYNK and MANGA. -- There are two versions of Billets available: a FREE one (version 2.0.0) and one for subscribers (version 4.0.0). The free one is two ver ...
XIJC
Captcha is an essential functionality to avoid spam. In recent days, we observed that many users are annoyed by lots-and lots of spam on there Joomla based websites. To resolve the issue, we shipped ReCaptcha with JomSocial Profile Types, but recaptcha do ...
K2
The powerful content extension for Joomla!, awarded "Joomla! component of 2010" at J and Beyond (the international Joomla! conference). --- WHAT IS K2? --- K2 provides an out-of-the box integrated solution featuring rich content forms for items (think ...
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 ...
Community Builder
Community Builder (CB) extends the Joomla! members management system. Key features: extra fields in profile, enhanced registration workflows, user lists, connection paths between users, admin defined tabs and user profiles, image upload, front-end workflo ...
sh404SEF
NEW: Joomla 2.5.0 stable ready New: sh404SEF goes social! - Create and insert Open Graph data - Insert Facebook, Tweeter, G+ and G+ pages icons - track all likes, shares, tweets, pluses clicks in Analytics dashboard in your site backend. And ...
Account Expiration Control
AEC is a manager for memberships (paid or free). The software takes care of the subscription process and everything attached to it. It integrates with major components (like JomSocial and JACL) and supports many payment processors. Features at a glance ...
VirtueMart
Based on Joomla MVC framework with all its advantage: - Template overwritting, - Implementation of Joomla Plugins for: payment, shipment, coupons, calculation rules, custom product fields, ... - Simple installation and integration of other joomla exte ...
P2DXT
Although there are a lot of paypal integration modules available none of them suited my needs. "Pay to Download XT" simply does what it says: Users have to pay to download certain files. Great, if you e.g. want to sell some eBooks. "Pay to Download XT" is ...