Twilight Dood Forums - Offers a discussion board about the Zelda franchise. - http://twilightdoods.niceboard.com/index.htm
The Twilight Realm - Offers discussion about the whole franchise and other topics, and game information. - http://z8.invisionfree.com/ZeldaTwilightRealm
Kakariko Graveyard - A forum to discuss the series. - http://s6.invisionfree.com/Kakariko_Graveyard/index.php
The Zelda Realm - Chat about everything Zelda! - http://s4.invisionfree.com/The_Zelda_Realm/index.php
Legend of Zelda Forum - Message board dedicated to discussing the Zelda series. - http://www.rpgdreamersforum.com/index.php?showforum=92
The Land of Hyrule Forums - Forums including discussions on the series. - http://landofhyrule.conforums.com
Zora's Palace - Message boards hosting a series of discussions based on the series, and other non-related topics. Also includes an online RPG. - http://zorraspalace.proboards2.com/
Video Game Chat: Zelda - Discussion of the series. - http://www.vgchat.com/forumdisplay.php?forumid=30
Zelda Role Play Group - Yahoo! Group, with polls, message board, and chat. - http://groups.yahoo.com/group/the_legend_of_zelda_role_play/