Radicale vs SOGo
Both Radicale and SOGo are self-hosted alternatives to Apple Calendar, Google Calendar and Google Contacts.
Side by side
| Field | Radicale | SOGo |
|---|---|---|
| Description | Simple calendar and contact server with extremely low administrative overhead. | 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 | 5,170 | 2,182 |
| License | GPL-3.0 | LGPL-2.1 |
| Platforms | Python, deb | Objective-C |
| Latest release | v3.9.0, 25 October 2026 | SOGo-5.12.12, 13 October 2026 |
| Repository activity | 1 November 2026 | 1 November 2026 |
| Health | Active | Active |
| Categories | Calendar & Contacts | Groupware |
| Website | https://radicale.org/ | https://www.sogo.nu/ |
| Source code | https://github.com/Kozea/Radicale | 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.
- Radicale has more GitHub stars in the dataset, 5,170 against 2,182.
- Both repositories last recorded activity on 1 November 2026.
- Radicale has the newer release on record: v3.9.0, 25 October 2026, against SOGo-5.12.12, 13 October 2026.
- Licenses differ: Radicale is listed under GPL-3.0; SOGo under LGPL-2.1.
- Platforms differ: Radicale lists Python, deb; SOGo lists Objective-C.
- Radicale is filed under Calendar & Contacts; SOGo is filed under Groupware.