WebbSleuths
http://www.smiley-face.com/webbsleuths/
Decidedly pro-Ramsey in its outlook, this forum boasts an impressively obsessive TimeLine, with a day-by-day accounting of the Ramsey case thus far.

JusticeWatch
http://www.justicewatch.com/
Forum discussion of JonBenet and other true-crime topics. Be careful! JusticeWatch and WebbSleuths may look similar, but their takes on the Ramsey case are decidedly different.

Cybersleuths
http://www.cybersleuths.com/
Dealing with unsolved mysteries that stretch far beyond JonBenet's murder (though its archives on that case are extensive), this site is a favorite among true crime enthusiasts. Although this site offers no publicly accessible forums or chats, there are plenty of news reports on interesting crimes from around the country.

Boulder News
http://www.bouldernews.com/
Although unruly posters made the chat room and forums here unattractive in the early days of the investigation, this service of Boulder's Daily Camera is once again a favorite destination for both Pro- and Anti-Rams.

Peter Boyles
www.peterboyles.com
The home page of KHOW radio talk-show host Peter Boyles, whose ratings increase every day JonBenet's murder goes unsolved. With both a forum discussion and a chat room, this site offers a lot of heated discussion, and Boyles himself stirs things up with a weekly chat.