name: Citadel
website_url: https://www.citadel.org/
description: Groupware including email, calendar/scheduling, address books, forums, mailing lists, IM, wiki and blog engines, RSS aggregation and more.
licenses:
  - GPL-3.0
platforms:
  - C
  - Docker
  - Shell
tags:
  - Groupware
source_code_url: https://www.citadel.org/source.html