hmm, I thought 2.9x required a plugin. Oh well, thanks
I left out XMMS, etc because I assume (I think rightfully) that someone using Linux probably already knows how to play .ogg
As for software patents in Europe, the battle is not going as well as one would hope. The best thing that can be done is for European citizens to speak up, so if you live in Europe, please go to
http://swpat.ffii.org and find out what you can do to preserve freedoms and innovation!