Web: PHP, Firefox extensions (XUL, etc.), JavaScript, XML/XSL, CSS/XHTML/Smarty
DB: MySQL, a little BDBXML
Learning more: XQuery, Java, OOP design patterns, Unit testing, Web Accessibility
Own Open Source Projects 1: FF extensions (https://addons.mozilla.org/en-US/firefox/user/120243), SmartyDocB, NavBarCrumbs
Own Open Source Projects (hosted here): Column browser, Gooey XML (GUI), mergeMinCache
Collaborative open source work: TEI (guidelines contributions), CSSTidy (interest with HTMLPurifier)
Personal Projects: http://bahai-library.com, proofreading project, Chinese study tool and "Chinese XHTML"
Paid Projects: Raven Firefox Toolbar: http://sitening.com/blog/2008/02/12/sitening-launches-raven-seo-tools-and-companion-firefox-toolbar/ , http://bahai-academic.hk (almost ready)