Area 51 Yo-Yo Club
Yahoo Club dedicated to collecting and trading yo-yos.
Dave's Yo-Yo Talk
Moderated message board for general yo-yo topics.
Duncan Message Board
Webboard for general information as well as questions specific to Duncan yo-yos.
Mod Yoer
Discussion group dedicated to modifying, tuning and decorating yo-yos.
TheYo Forum
Discussion forum, including reviews, maintenance tips and polls.
Yahoo Groups: Yo-Yos
Groups devoted to various aspects of yo-yos, with message boards, files, chat rooms, and e-mail mailing list capability. Free registration required.
Yomania YoYo Forum
Message board for general yo-yo topics, an archive of messages in the past year, and a FAQ.