Citadel
All-in-one groupware solution for communication and collaboration.
Open Source📧 Email🏠 Self-Hosted💬 Communication⚡ Productivity📝 CMS & BloggingAlternative to MailchimpAlternative to WordPress.com
About Citadel
Groupware including email, calendar/scheduling, address books, forums, mailing lists, IM, wiki and blog engines, RSS aggregation and more. ([Source Code](https://www.citadel.org/source.html)) `GPL-3.0` `C/Docker/Shell`
✅ Pros
- + Wide range of integrated communication tools
- + Open source with GPL-3.0 license
- + Supports multiple collaboration features in one platform
⚠️ Cons
- - No official GitHub repository
- - May require technical expertise to self-host and maintain
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Quick Info
- Pricing
- Free
- Platforms
- self-hosted
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