Invis*****. Anonymous web blogging service. Not hugely user friendly, but hey…it’s free OK?

‘Once you’ve created your anonymous blog, you can post to it by signing your message with your PGP key, and sending the signed copy via…’

[Update: I’ve pulled the link. It may be a spoof or maybe not, but as Emily points out, it hosts a Diary of a Paedophile weblog.]