GlassCalc
A lightweight yet extensive and flexible calculator for Windows. It lets you enter equations as text, supports user-defined functions and variables, and saves the full history of your calculations.
MD5
A simple command line application that calculates the MD5 hash of a file. It can also take another MD5 hash and check whether they match.
Opera Extensions
Extensions I've written. They make your web browser do cool things it didn't do before (if you use Opera).
Userscripts
Userscripts I've written. They make your web browser do cool things it didn't do before.
Opera Search Organizer
An Opera Widget to reorder your custom search engines.
CSS Fix
An Opera Widget that takes stylesheets with browser-specific code and generates patches to make them work in other browsers. It can generate patches for Opera, Firefox, Chrome, Safari, and Konqueror and export them as user CSS or user JavaScript.