<a href="mailto:f98anga@dd.chalmers.se">Anders Gavare</A>'s
<a href="http://www.mdstud.chalmers.se/~md1gavan/ycx2/">YCX2</A>
is an *(OS) implemented fully from scratch, as it was his previous one, Yoctix. Anders' goal is to educate himself and to come up with a full documentation, written as he progresses, of how to write such a thing. Although everything about Yoctix is no longer available, that of YCX2 is. While Yoctix's design was monolithic, YCX2 is a _(microkernel).