Citadels Free Download May 2026

If you want to contribute or explore the source code, you can find the project hosted on GitHub, where the community actively reports bugs and shares feature requests. Setting Up Your First Citadel

Do you have any specific or server hardware you are planning to host Citadels on? citadel.org Citadels Free Download

Keep your contacts synchronized across devices. If you want to contribute or explore the

In an era of fragmented digital communication, finding a single platform that handles email, calendars, and collaboration seamlessly can be a challenge. Enter —the open-source, "all-in-one" solution designed for speed, security, and ease of use. What is Citadels? In an era of fragmented digital communication, finding

Citadels is a powerful alternative to "big tech" collaboration tools, offering you full control over your data. By choosing the , you aren't just getting software—you're joining a long-standing community dedicated to open communication.

Citadels supports standard protocols (IMAP/SMTP/GroupDAV), meaning you can use it with Outlook, Apple Mail, or Thunderbird.

The primary draw of Citadels is its philosophy. Unlike other groupware that requires a complex web of dependencies (like databases or heavy middleware), Citadels is self-contained. It is designed to run on almost any Unix-based system, including Linux, BSD, and Solaris. How to Get Citadels: Free Download & Installation