CapCode is a navigation system for sailors with a specialization in regatta assistance. It handles acquisition of data coming from NMEA bus and GPS, computation of the VMG, and route tracing on raster charts. It contains a chart editor.
PacStats is able to analyze the log and the lib directory of the ArchLinux package manager (pacman) and generate statistical charts.
A web-based account manager for LDAP directories.
A virus checking module for Python that uses the clamd daemon from ClamAV.