Trunk is a video festival held every second year in Östersund, Sweden (ca 260 km east of Trondheim, 3-4 hour drive, 3 hour with train).
This year it will run from the 26th to the 29th of November, see http://www.trunk-video.com/ for schedule details.
The artists shown this year are:
Office package (Cross platform)
CAD software (Cross platform)
3D modeling (Cross platform)
DVD Authoring (Windows)
(Will update as I remember other software worth checking)