Rallly
GroupwareSelf-hosted meeting and event scheduling polls
Replaces Doodle, When2meet
Best Docker Groupware for self-hosting
The 16 best Docker groupware you can self-host, ranked by community traction.
Colanode
GroupwareCollaboration suite with real-time messaging, rich text pages, file
Radicale
GroupwareSimple, lightweight CalDAV and CardDAV server
Replaces Google Calendar, iCloud
Easy!Appointments
GroupwareOpen-source web appointment scheduler
Replaces Calendly, Acuity Scheduling
Baïkal
GroupwareLightweight CalDAV and CardDAV server with web admin
Replaces Google Calendar, iCloud
SOGo
GroupwareScalable groupware server with webmail, calendar and contacts
Replaces Microsoft Exchange, Microsoft 365
ZenTao
GroupwareOpen-source project and team collaboration platform
Replaces Jira, Confluence
Cozy
GroupwarePersonal cloud platform with contacts and calendar
Replaces Google Workspace
Nextcloud Groupware
GroupwareMail, calendar and contacts bundle for Nextcloud
Replaces Microsoft 365, Google Workspace
Twake Drive
GroupwareOpen-source collaborative file storage and workspace
Replaces Google Drive, Microsoft OneDrive
Davis
GroupwareModern admin interface for sabre/dav CalDAV server
Replaces Google Calendar, iCloud
EGroupware
GroupwareWeb-based groupware and team collaboration suite
Replaces Microsoft 365, Google Workspace
Group-Office
GroupwareWeb-based groupware and CRM with email and calendar
Replaces Microsoft 365, Google Workspace
Twake Workplace
GroupwareOpen-source digital workplace and collaboration suite
Replaces Microsoft Teams, Slack
Kopano Groupware Core
GroupwareOpen-source collaboration platform with Outlook support
Replaces Microsoft Exchange
Tine
GroupwareProfessional open-source groupware and CRM
Replaces Microsoft 365, Google Workspace
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Rallly | Under-an-hour setup | Easy | 512 MB | AGPL-3.0 | 5,303 |
| Colanode | Under-an-hour setup | Medium | 512 MB | Apache-2.0 | 5,168 |
| Radicale | Under-an-hour setup | Easy | 64 MB | GPL-3.0 | 5,110 |
| Easy!Appointments | Under-an-hour setup | Easy | 256 MB | GPL-3.0 | 4,433 |
| Baïkal | Under-an-hour setup | Easy | 128 MB | GPL-3.0 | 3,333 |
| SOGo | Under-an-hour setup | Hard | 1,024 MB | GPL-2.0 | 2,173 |
| ZenTao | Under-an-hour setup | Medium | 1,024 MB | AGPL-3.0 | 1,699 |
| Cozy | Under-an-hour setup | Hard | 1,024 MB | AGPL-3.0 | 1,269 |
| Nextcloud Groupware | Under-an-hour setup | Medium | 1,024 MB | AGPL-3.0 | 1,190 |
| Twake Drive | Under-an-hour setup | Hard | 2,048 MB | AGPL-3.0 | 989 |
Quick picks
- Most adopted: Rallly (5,303 GitHub stars).
- Lightest footprint: Radicale (from 64 MB RAM, against 2,048 MB for the heaviest here).
- Licensing: 9 of 16 use AGPL-3.0; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged Docker within the groupware category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.