Analyzed
9 days
ago.
based on code collected
10 days
ago.
Project Summary
Citadel is a highly integrated Groupware Platform with a Web 2.0 enabled Web interface, but also providing SMTP, IMAP, POP3 and GroupDAV access to its content.
Citadel offers Versatile email services with very low administration needed. It provides its own implementations of these server protocols:
Imap, Pop3, SMTP, ManageSieve, Citadel.
In a Nutshell, citadel...
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has a well established, mature codebase
maintained by a small development team
with stable Y-O-Y commits -
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took an estimated 49 years of effort (COCOMO model)
starting with its first commit in July, 1998
ending with its most recent commit 10 days ago
Quick Reference
https://code.citadel.org/citadel...
GNU General Public License v3.0 only
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Use Patent Claims
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
Include Install Instructions
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Poor security track-record
Favorable security track-record
Vulnerability Exposure Index
Many reported vulnerabilities
Few reported vulnerabilities
Did You Know...
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there are over 3,000 projects on the Open Hub with security vulnerabilities reported against them
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data presented on the Open Hub is available through our API
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30 Day SummaryAug 7 2025 — Sep 6 2025
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12 Month SummarySep 6 2024 — Sep 6 2025
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