_(KOS | http://kos.enix.org/) is a small project of developing an *(OS) being worked on by a few French people. Like _(LittleOS), it seems to be a nice little project to work on if you're interested in _(OS)es and want to hit the metal, but don't know where to start. Progress seems to be very slow this summer; hope it picks up speed again in the fall. Note that the site has some pretty interesting _(OS) documentation as well.
