3dentech
J!Dump
Advanced print_r and var_dump replacer with DHTML tree display. This utility makes life easy for developers and template designers. You use it to see what's inside a variable, an array or an object. Instead of using print_r() or var_dump(), you can now u ...
Stalker
This is my first attempt at a Joomla extension. It's a very simple, and probably useless, add-on to get the visitors to your site linking through to the various Social Networking sites you may be registered with. I created the package for my own use, bu ...
J!Research
J!Research is a component for Joomla!™ which allows for management of research-related work such as; publications, projects, and theses categorized by research area. The extension is oriented to University researchers and research departments which utiliz ...
yvComment 
yvComment is native Joomla! 1.6, 1.7 (and Joomla! 1.5) Commenting solution, it is well documented and free. It has two required parts (i.e., extensions): component + plugin. It also has a lot of optional extensions, including Module, Community Builder pl ...
denVideo
Easily add support to MP3, DIVX, MP4, WMV, WMA, H264, images(JPG, GIF, PNG), youTube.com, metacafe.com... And much more. DenVideo just works! Is FAST, SIMPLE and CLEAN. DenVideo have better cross-browser support, with the embed technic called flashsat ...
JoomSEO
JoomSEO is a Search Engine Optimizing(SEO) bot making Joomla content more Search Engine Friendly(SEF). JoomSEO dynamically creates meta keywords, meta descriptions, changes the title on the fly (Adds the sitename for Joomla 1.5), adds heading tags to cont ...