The linux hotel in Essen, Germany. Site almost entirely in German.
Hospitality exchange web site. I know little about it.
Hetzner offer very, very cheap dedicated servers. AMD Dual Core, 2Gb RAM, twin 400Gb SATA disks, from €49 / month plus €99 setup. Raid controllers optional at €10/month. They also appear to run on green power.
The internet hosting company used by BeWelcome.org as at August 2007.
Perl based IRC logger
How to Log IRC through PHP
Simple Machines Forum mod that allows you to submit a post by email to the forum