Citadel – Open Source eMail and Collaboration
Citadel is easy, versatile, and powerful, thanks to its exclusive “rooms” based architecture. No other platform seamlessly combines so many different features using this familiar and consistent metaphor. Citadel is 100% open source software using the GNU General Public License. It’s not a crippled, cut-down version of some expensive “enterprise” edition. The software you download here is the very best available, and it’s all free software. Features include: a) email; b) calendar/scheduling, c) address books, d) bulletin boards (forums), e) mailing list server; f) instant messaging, g) wiki and blog engines, h) multiple domain support, i) a powerful web interface, j) rss aggregation, k) Lots more …. This will be added to the tools section of Research Resources Subject Tracer™. This will be added to Entrepreneurial Resources Subject Tracer™.