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Best Docker Groupware for self-hosting

The 17 best Docker groupware you can self-host, ranked by community traction.

Calcom Calendar

Open-source scheduling and appointment booking platform

Replaces Calendly, Doodle

★ 47.3k Medium setup AGPL-3.0

Rallly

Self-hosted meeting and event scheduling polls

Replaces Doodle, When2meet

★ 5.2k Easy setup AGPL-3.0

Colanode

Collaboration suite with real-time messaging, rich text pages, file

★ 5k Medium setup Apache-2.0

Radicale

Simple, lightweight CalDAV and CardDAV server

Replaces Google Calendar, iCloud

★ 4.9k Easy setup GPL-3.0

Easy!Appointments

Open-source web appointment scheduler

Replaces Calendly, Acuity Scheduling

★ 4.3k Easy setup GPL-3.0

Baïkal

Lightweight CalDAV and CardDAV server with web admin

Replaces Google Calendar, iCloud

★ 3.3k Easy setup GPL-3.0

SOGo

Scalable groupware server with webmail, calendar and contacts

Replaces Microsoft Exchange, Microsoft 365

★ 2.1k Hard setup GPL-2.0

Twake Workplace

Open-source digital workplace and collaboration suite

Replaces Microsoft Teams, Slack

★ 1.9k Medium setup AGPL-3.0

ZenTao

Open-source project and team collaboration platform

Replaces Jira, Confluence

★ 1.7k Medium setup AGPL-3.0

Cozy

Personal cloud platform with contacts and calendar

Replaces Google Workspace

★ 1.3k Hard setup AGPL-3.0

Nextcloud Groupware

Mail, calendar and contacts bundle for Nextcloud

Replaces Microsoft 365, Google Workspace

★ 1.2k Medium setup AGPL-3.0

Twake Drive

Open-source collaborative file storage and workspace

Replaces Google Drive, Microsoft OneDrive

★ 980 Hard setup AGPL-3.0

Davis

Modern admin interface for sabre/dav CalDAV server

Replaces Google Calendar, iCloud

★ 727 Easy setup MIT

EGroupware

Web-based groupware and team collaboration suite

Replaces Microsoft 365, Google Workspace

★ 295 Medium setup GPL-2.0

Group-Office

Web-based groupware and CRM with email and calendar

Replaces Microsoft 365, Google Workspace

★ 275 Medium setup AGPL-3.0

Kopano Groupware Core

Open-source collaboration platform with Outlook support

Replaces Microsoft Exchange

★ 60 Hard setup AGPL-3.0

Tine

Professional open-source groupware and CRM

Replaces Microsoft 365, Google Workspace

★ 21 Medium setup AGPL-3.0

Every option here is open-source and self-hostable, tagged Docker within the groupware category. Compare them on the individual app pages for setup difficulty and resource requirements.