Skills

Open-source:

• WordPress [2007-]
• WordPress Plugin  [2012-]
• Magento  [2010-]
• Drupal [2007-2010]
• Joomla (VirtuMart) [2010]
• Mambo  [2010]
• MVC Framework[2008-]

Payment-Gatewy:

• Paypal
• Skrill
• Nochex
• Firstdata
• Authorize.net
• Sagepay
• Moneybookers
• Worldpay

Scripting Languages:

• ASP   [2008-]
• PHP   [2006-]
• JavaScript   [2001-]

Document Formats:

• HTML   [2001-]
• XML (Extended Markup Language)   [2005-]

Internet Applications:

• Microsoft IIS [2001]
• Apache [2006-]

Database Applications:

• Microsoft SQL Server 7, 2000,2005 [2005]
• Microsoft Access 6.0, 97, 2000 [2001]*
• MySQL [2006-]

Operating Systems:

• Windows 3.1, 98, 2000 Professional, Windows XP, Windows 7, Windows 8, Ubuntu

Other Applications:

• Standard Microsoft Office applications (Word, Excel, Access, PowerPoint, FrontPage, Outlook)
• Macromedia Dreamweaver

* Note: I have a passing familiarity with these items but have never used them in a real project.