Citadel

Citadel

AEO Score: 3/10

citadel.org

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Home Download FAQ / Knowledge Base Screenshots Documentation Support Roadmap Home Download FAQ / Knowledge Base Screenshots Documentation Support Roadmap Meet the Citadel System.Easy to install. Easy to use. 100% open source. No compromises. Email, collaboration, groupware, and content management -u

Key Topics

Powerful and flexible
Packed with features
True open source

Details

Category: Technology

citadel.org

AI Visibility Breakdown

1

Structured Data

4

Content Structure

4

Entity Clarity

3

E-E-A-T Signals

5

Technical AEO

2

AI Discoverability

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Updated May 2026