Onlineguardians - Online safety organization with its own IRC network of three servers based in the UK and US. - http://www.onlineguardians.org/
OtherNet - Contains network, channel, taught classes, and policy information. Site also contains a java chat applet. - http://www.othernet.org/
OubliNET - Site has user information, channel, netsplit and network statistics, and an online Java chat. (Some adult language). - http://www.oublinet.net/
Oddnet - Home page for this net that includes stats, links, history, chat and other features. - http://www.oddnet.net/