fp.board is a bulletin board software solution designed to both implement features of proprietary non-free solutions and provide exceptional security. It supports features such as a built in Markdown Engine along with BBCode, an advanced Ban Control Panel (modeled after IRC, with Account Exceptions and CIDR based IP bans), DNS Blacklist checks, checks against the StopForumSpam databases, and more. It has no issues with the Suhosin Patches, and is developed on a server that supports Suhosin.
Gixaw Chat is a feature-rich system that adds live chat to your Web site. It features unlimited rooms, private and group chat, seamless Integration with any third-party application, easy file sharing, live image previews, powerful moderation (kick, ban user, and ban IP address), past chat transcripts, user profiles and display pictures, sound notifications, flood control, unlimited smileys, and a lot more.