Elsa, an autonomous robot.
Raggande romaren (see photos section)
Trampofoil pictures (See trampofoil.com for more info)
BRF Hornlampetten (can you call this a project? Maybe not, but I put it here anyway!)
Demonstration of particle filters and a speech.
Robot Ducks This is (at the moment) about artificial group behaviour.
SVD approximation of picture (first picture is a rank one approximation, next is a rank two approximation and so on. The frame rate is three pictures per second.)
fibonacci number sequence this is to demonstrate how to write numbers in fibonacci number base. See the note under the ”other” category on the left for more explanation and a text.
lorenz attractor in openGL, shows lorenz attractor in 3d, using opengl.

run-parts-parallel, like run-parts in debianutils, but with parallel processing. Good for running a heap of scripts/executables on a multi-core/multi-processor machine.
fork excercise, something I programmed to learn about using fork() and waitpid() to implement parallel processing
rdfind, a tool for finding redundant data.
Automated, fast and space efficient network backup with rsync and ssh.
Making album shuffled m3u playlists
Sudoku solver A c++ sudoku solver. This is the source code.
A c++ implementation of checksum calculation using Niels Möllers nettle library. It is approximately 5 times faster than the builtin md5 on my Mandriva 2006 installation! Thanks, Nisse!
Program solving a sailing point A-B in minimum time problem. This was a homework from 1996. Thats >=10 years old, so consider it outdated... On the positive side, it is the only windows program on this page!
I have written some articles on wikipedia