Billow BBS is a powerful BBS which support almost all the features you have met in a Telnet BBS. Main features include: Unlimited categories and boards, Forums protected by memeber group and memeber right (Public, Read, Hide), Four levels of article types (Public, Protected by moderator, Manager, Undeleted), Digest for every forum, Arranged by unlimited levers of categories, Mailbox, Personal config, Logo image for every memeber, Chatroom, Online memeber and status, Realtime message exchanging between memebers, Mark New artices, Completly online manager, and more.