Citadel vs Zimbra Collaboration
Citadel
citadel.org
Zimbra Collaboration
zimbra.comSide by side
| Figure | Citadel | Zimbra Collaboration |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 2 |
| Spec score · Mail Server Software | 8.3 (#4) | 7.3 (#29) |
| Deployment | Citadel can run in Docker, through a Linux build script, from source, or via a hosting provider. | Zimbra can be deployed on-premises, in a private cloud, or in regional data centers. |
| Support | Support is provided through an active user and developer community, an online knowledge base, a support forum, and a mailing list. | Standard support is business-hours only; Premier adds 24×7 support for Severity-1 issues. |
Plans
Zimbra Collaboration
- ProfessionalPriced on request
- StandardPriced on request
In their own words
Zimbra Collaboration
Zimbra Collaboration has no write-up on Specifiction yet; its figures are above.