The X.org Foundation provides an open source implementation of the X Window System. The X Window System is a network transparent window system which runs on a wide range of computing and graphics machines.
The X.org DevRoom will host a series of presentations and also allows for discussions and hacking. There is a wiki page for the X.org DevRoom and the X Developers HotHouse held the day before.
ANNOUNCEMENT
FOSDEM 2006
will take place
in Brussels
during week-end
Feb 25&26