Citadel vs Kolab
Citadel
citadel.org
Kolab
kolab.orgSide by side
| Figure | Citadel | Kolab |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Mail Server Software | 8.3 (#4) | 8.0 (#11) |
| Deployment | Citadel can run in Docker, through a Linux build script, from source, or via a hosting provider. | Kolab is packaged as containers that can run on one host or be distributed across a larger environment. |