GeoClue is a D-Bus geoinformation service. The goal of the Geoclue project is to make creating location-aware applications as simple as possible.

OpenSFX is a replacement for the original TTD (Transport Tycoon Deluxe) base sounds used by OpenTTD, distributed under a restrictive license. The main goal of OpenSFX therefore is to provide a set of sounds, available free of charge, which make it possible to play OpenTTD without requiring the user to pay for the original Transport Tycoon Deluxe game for its sound set.

notification-daemon displays passive pop-up notifications, as per the Desktop Notifications Specification.

Mysqlclient is an interface to the popular MySQL database server for Python.

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.