Mailcow vs SOGo
Both Mailcow and SOGo are self-hosted alternatives to Google Workspace.
Side by side
| Field | Mailcow | SOGo |
|---|---|---|
| Description | Mail server suite based on Dovecot, Postfix and other software, that provides a modern Web UI for administration. | SOGo offers multiple ways to access the calendaring and messaging data. CalDAV, CardDAV, GroupDAV, as well as ActiveSync, including native Outlook compatibility and Web interface. |
| GitHub stars | 13,728 | 2,182 |
| License | GPL-3.0 | LGPL-2.1 |
| Platforms | Docker, PHP | Objective-C |
| Latest release | 2026-10, 21 October 2026 | SOGo-5.12.12, 13 October 2026 |
| Repository activity | 21 October 2026 | 1 November 2026 |
| Health | Active | Active |
| Categories | Communication - Email - Complete Solutions | Groupware |
| Website | https://mailcow.email/ | https://www.sogo.nu/ |
| Source code | https://github.com/mailcow/mailcow-dockerized | https://github.com/Alinto/sogo |
Where the records differ
Computed from the two records above: a line appears only where the dataset states a figure, a date or a set relation, and no line recommends one application over the other.
- Mailcow has more GitHub stars in the dataset, 13,728 against 2,182.
- SOGo recorded repository activity more recently, 1 November 2026 against 21 October 2026.
- Mailcow has the newer release on record: 2026-10, 21 October 2026, against SOGo-5.12.12, 13 October 2026.
- Licenses differ: Mailcow is listed under GPL-3.0; SOGo under LGPL-2.1.
- Platforms differ: Mailcow lists Docker, PHP; SOGo lists Objective-C.
- Mailcow is filed under Communication - Email - Complete Solutions; SOGo is filed under Groupware.