web based groupware server
SOGo is a groupware server built around OpenGroupware.org (OGo) and the
SOPE application server, with a focus on scalability. It provides the
usual groupware functionality as E-Mail, Calendaring, and Contacts
management.

Maintainer: The OpenBSD ports mailing-list <ports@openbsd.org>

WWW: https://sogo.nu/
