Audience

Businesses needing a powerful Mail Server solution

About Citadel

Email, collaboration, groupware, and content management - up and running in minutes, on your own hardware, or in the cloud. Citadel is easy, versatile, and powerful, thanks to its exclusive room-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.

Pricing

Starting Price:
Free
Free Version:
Free Version available.

Integrations

Ratings/Reviews

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Company Information

Citadel
www.citadel.org

Videos and Screen Captures

Citadel Screenshot 1
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Product Details

Platforms Supported
Linux
Training
Documentation
Support
Online

Citadel Frequently Asked Questions

Q: What kinds of users and organization types does Citadel work with?
Q: What languages does Citadel support in their product?
Q: What other applications or services does Citadel integrate with?
Q: What type of training does Citadel provide?
Q: How much does Citadel cost?

Citadel Product Features