Calcom Calendar
GroupwareOpen-source scheduling and appointment booking platform
Replaces Calendly, Doodle
Best PostgreSQL Groupware for self-hosting
The 5 best PostgreSQL groupware you can self-host, ranked by community traction.
Rallly
GroupwareSelf-hosted meeting and event scheduling polls
Replaces Doodle, When2meet
SOGo
GroupwareScalable groupware server with webmail, calendar and contacts
Replaces Microsoft Exchange, Microsoft 365
EGroupware
GroupwareWeb-based groupware and team collaboration suite
Replaces Microsoft 365, Google Workspace
DAViCal
GroupwareServer for sharing calendars and address books via DAV
Replaces Google Calendar, Microsoft Exchange
No apps match these filters.
Every option here is open-source and self-hostable, tagged PostgreSQL within the groupware category. Compare them on the individual app pages for setup difficulty and resource requirements.