Uncensored Communications Group

Citadel is a turnkey open-source solution for email and collaboration. One simple installation delivers a multitude of powerful features, including

Users love Citadel because it's software that helps them work together and stay in touch without calling attention to itself. System administrators love Citadel because it installs in minutes without the need to manually integrate all the different components together.The key to Citadel's versatility is its unique architecture. A Citadel system is made up of containers called "rooms." A room may be used as an email folder, a discussion forum, a real-time chat, a mailing list, a calendar, an address book, an RSS reader … sometimes a combination of any of the above, and certainly any other uses which could be added in the future. You can also distribute a Citadel installation across multiple servers, allowing unlimited horizontal scalability