awesome-alternatives

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mailcow vs SOGo

The same facts for both, read from GitHub every night, and the relation a person reviewed.

mailcowSOGo
LanguageJavaScriptObjective-C
LicenceGPL-3.0GPL-2.0
Stars14k2.2k
Latest2026-09aSOGo-5.12.11
Last push2026-10-062026-10-02
Release cadenceabout 18 days between releasesabout 37 days between releases
Active contributors11 commit authors on the default branch in the last 90 days3 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Microsoft 365. Alternatives to Microsoft 365 →

    PartialmailcowMail, calendars and contacts; ActiveSync for mobile clients.

    PartialSOGoWebmail, calendars and contacts over IMAP, CalDAV and CardDAV, with ActiveSync for phones.