Camelot provides components for building business applications on top of Python, SQLAlchemy and Qt. It is inspired by the Django admin interface. You can use Camelot to develop both simple and complex business applications quickly.
QLC, the Q Light Controller, is used to control DMX and analog lighting equipment like scanners, dimmers, and other effects. The goal is to produce free software that replaces hardware lighting desks.
Chess Rating Calculator is a calculator of chess rating for tournament players. It saves calculation details and opponent names in XML files for later access.
Stardust Finder is a program that downloads data from the Stardust@Home project and presents it as a volume you can slice however you want. You can then submit reports regarding found stardust.
A modular IP router for Linux platforms.
An IDE for HTML, Bash, Perl, PHP, C, etc.