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mailcow vs Modoboa

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

mailcow vs Modoboa
Fact	mailcow	Modoboa
Language	JavaScript	Python
Licence	GPL-3.0	ISC
Stars	14k	3.5k
Latest	2026-09a	2.11.0
Last push	2026-10-06	2026-10-06
Release cadence	about 18 days between releases	about 16 days between releases
Active contributors	11 commit authors on the default branch in the last 90 days	8 commit authors on the default branch in the last 90 days
Flags	none	none

How they relate

Both replace Google Workspace. Alternatives to Google Workspace →
PartialmailcowMail, calendars and contacts with SOGo webmail; no office suite.
PartialModoboaA web admin and webmail that sets up Postfix and Dovecot for mail, calendars and contacts.