Sonim XP 3.20-e Quest - To perform a proper "factory reset" on this phone (or probably any Philips Xenium 9@9q based phone) enter #20070101# in the dialer and press the green dial button. I am telling you this only because this information is otherwise impossible to find online.
Tracking down "unauthorised content" errors on SSL pages (2011) - A tip for a simple and comprehensive way to work out what content in a web page isn't using https URIs when the page itself is served over https. Help avoid scary warnings for your users.
QuickPage patch (2011) - A quick and dirty patch to the QuickPage daemon to allow it to bind to specific addresses at startup. Bonus Debian init script.
Arpitrary (2010) - Automated arbitrary ARP spoofing daemon. A stand-in for "arpcatch" if
you
need one in a pinch.