What would be the best Content Management System for a family site, as a way of communication. Price is an issue. A blog is a necessary, so is a forum(weather it be an ad-don, or an integration[free]) and a chat room or shout box that comes with it.
Wordpress!!! BBPress for the forum and I'm sure you can find exactly what you want by doing a bit of browsing. Good Luck
All built in with forum and ALL.. Theres Lanius... See it in use on http://www.siblinks.net and do a google search for "lanius CMS" or just click Here to auto-google it. Good Luck, Bozonessinc