Access Place Lifestyle: Directory of chat rooms, online communities, magazines, home, recreation, vehicles, travel, cities, entertainment, dining, pets, culture, fashion
Big Boards: A list of the largest message boards and forums on the web.
eCultures: A user-generated directory of Internet social communities. All submissions to this directory are subject to a review.
GrabAGroup: Access the Yahoo Groups and download attachments (pictures, movies, zip files) from the messages quickly and easily.
The Alliance of Quality Message Boards: An online community of message boards that are well organized and ran. If you're looking for good topical chat on almost any topic, it'll be here.
The Ultimate Chatlist: Directory of chats sorted by subject.