Nabble provides free hosted public forums. (4KV)
Nabble forums are truly public, democratic and absolutely free. Nabble's advanced community filtering gives you only the best content without oppressive moderator censorship. Find forums that interest you or easily start your own in minutes. (4KW)
Nabble also offers mailing list archive service. (4KX)
Webmasters can also add a forum to website easily by using Nabble's embeddable forums. (4KY)