We now have an anonymous imageboard, for howardposts and other things. Check it out here.
IRC
IRC (Internet Relay Chat) is a text-based chat system for instant messaging. It's designed for group communication in discussion forums (known as channels) but also allows one-on-one communication via private messages as well as chat and data transfer, including file sharing.
irc.download-cliff.org
is the official FreeCliff IRC server.