Citadel
Open-source groupware for email, collaboration, and content management.
What it does
Open-source email, collaboration, groupware, and content management software. It includes email, calendar, contacts, forums, mailing lists, instant messaging, wiki, blog, and RSS aggregation.
Best fit for
Technical teams that want self-hosted open source email, calendar and groupware.
Watch out for
Support is community-based through a forum and mailing list; no commercial support is described.
Confirmed features
Only what the vendor’s own site states. Anything not listed is unconfirmed.
Core features 2/12
- ✓Team chatForums, mailing lists and instant messaging
- ✓Calendar / schedulingCalendar and contacts with CalDAV and CardDAV support
Platform 2/7
- ✓Web appWeb interface with multi-domain support
- ✓On-premise / desktop optionRuns on your own hardware or in the cloud
Plans & pricing
100% free open source software under the GNU GPL source ↗
Questions about Citadel
Does Citadel have a free plan or trial?
According to its website, Citadel: it offers a free plan.
What are alternatives to Citadel?
Similar products on Sealbook: Nextcloud, HumHub, Twake, Appsmith.
Reviews
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