In the moment, I work with

• Objective-C/Cocoa/XCode (iPhone API)
• HTML/CSS
• Javascript
• PHP/mySQL
• Sproutcore Framework

In the past, I worked with

• C/C++
• Visual Basic, VBA, Access Basic (and other Basic-Versions)
• Cobol
• Pascal
• Informix/Oracle/Universe
• Tools: Business Intelligence (Cognos: Impromptu, Powerplay), Framemaker and lot more
• (a bit Java know how)

• Opensocial Gadget API
• Google Maps API
• Google Desktop API
• Windows Sidebar API
• Mac OSX Dashboard API
• Yahoo! Widgets API
• ...