several vaguely related projects worked on by me: a 3d engine with a javascript-like scripting language (pdsys); an older scheme dialect (vmsys); ... (2009-04-28: I have been gone for years, may try to put up some newer stuff...).
DV Titler allows you to create and edit titles that later you can add to your DV footage using a non linear video editor like Kino. As a file format it will use a dialect of SMIL and will be able to export DV.
A dialect-neutral Smalltalk library which supports communication with NMEA enabled devices, such as GPS receivers. The initial specific target device will be a Magellan GPS315 receiver.