I keep a portfolio of unix c / shell code at tyrfingr.
Most of my source code is hosted on github or
sourceforge. There's also a list of
my projects on my
coder site. I do host a few bits of code here
though, for one reason or another:
default apache NSE plugin - this is an
NSE plugin to detect default Apache installs.
It's pretty simple; I wrote it at Defcon 18 after a talk by Fyodor and
David Fifield showing just how easy it was to write them.
libdaemon - a lightweight daemon framework for