Citadel is an advanced messaging and collaboration system for groupware and BBS applications.
Among the features supported are public and private message bases (rooms), electronic mail, real-time chat, paging, shared calendaring, address books, mailing lists, and more.
Unlike other collaboration servers, Citadel provides its own data stores and is therefore extremely easy to install; you don't have to "bring your own" email and database because they're built in.
The server is multithreaded and scalable. In addition, SMTP, IMAP, and POP3 servers are built-in for easy connection to Internet mail. Citadel is both robust and mature; it has been in production since 1987.
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What's New in This Release:
- New features include a greatly improved XMPP (Jabber) service for better compatibility with more instant messenger clients, a completely new bulletin board (forum) view that is greatly improved in both performance and features, a brand new multiuser chat facility redesigned for better access through a Web browser, and many bugfixes and performance enhancements.