Since I started working with computers one of the first things I learned what how to create a basic website using HTML and CSS. Since then I have expanded that knowledge to include Atom, CSS (2.1 Specification, CSS3 Draft), HTML (4, 5 Draft), RSS, XLS Transformations 1.0, XHTML (1.0 Second Edition, 2.0 Draft), XML (1.0 Fifth Edition), XML-RPC
I have been working with Javascript and Ajax JavaScript since it's been available. I have worked extensively with Mootools, Prototype, and jQuery javascript frameworks, and script.aculo.us, SWFObject. I have also worked with Ext, Dojo, and YUI
I have worked with PHP more than any other language, and have very extensive knowledge of PHP core and many PHP based projects such as Zend, Wordpress, Smarty, Habari, Joomla, Drupal, PDO, Mcrypt, php-ffmpeg, php-gd, MediaWiki, and many more.
Perl was my first real computer language, I have now been using it for a while and have worked with it both both CGI based web scripts and desktop clients. I also extensive knowledge in the TCL/TK UI libraries.
Python has become my favorite language to work with, both for Desktop and Web based projects. I have worked extensively with Django, Google App Engine, web.py, Tornado, py-gtk, py-gtkwebkit.
I have worked with video and audio converstions through ffmpeg, php-ffmpeg, php-gd, and FLVtool2.
MySQL, SQLite, MS SQL, Oracle, CouchDB, DataStore, Amazon SimpleDB.