Roundcube CalDAV Calendar Plugin
Add a modern, shared calendar to your Roundcube webmail. The RoundcubePlus CalDAV Calendar plugin gives your users a full - featured, cloud style calendar. Install it on existing Roundcube server and offer team sheduling, shared calendars and cross multi devices directly inside webmail.
Enhance your Roundcube webmail experience with our CalDAV Calendar plugin. Enable, manage and synchronize calendars directly within Roundcube using CalDAV functionality.The CalDAV Calendar is a shared calendar plugin that offers a comprehensive set of features you would expect from a top-tier cloud calendar service such as Google Calendar.
- Enhanced Collaboration: Shared calendars for team collaboration. Schedule meetings, send invites, track RSVPs and set reminders.
- Calendar Management: Create, set re-occurring events and modify invites and events.
- Real-Time Synchronization: Sync calendars for real-time updates across devices - mobile, desktop or tablet.
- Dropbox and Google Drive Compatibility: Attach files directly from cloud storage to any event.
- Integration to other calendars: Publish your Roundcube calendar to Google Calendar and Apple iCal to view all your schedules in one place.
- Integration from other calendars: Link and view all scheduled events from Google Calendar and MacOS IOS iCal in your Roundcube Webmail calendar page.
- Customizable User Access: View, manage and invite co-workers to your calendar and control their access levels.
- User-Friendly Interface: Drag and drop events for quick adjustments. Color-code calendars. Hide and show events.
- Event Support: For multiple address books (including CardDAV) when adding event attendees.
- Security: CalDAV utilizes HTTPS encryption and authentication methods as standard security and user verifications.
- Smart extras: Agenda and sidebar views, event search, reminders, iCal import/export, optional holiday calendars for 140+ countries.
This plugin adds a shared calendar with CalDAV support to Roundcube.
Arabic, Bulgarian, Chinese, Croatian, Czech, Danish, German, Dutch, English, Estonian, Finnish, French, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Malay, Norwegian, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Spanish, Swedish, Turkish, Ukrainian and others.
Frequently Asked Questions
Can I share calendars between users?
Does the plugin work under cPanel / Plesk?
How many CalDAV connections can each calendar have?
Screenshots
Pricing
Details
| Latest upgrade | Dec 3, 2025 |
| Plugin version | 2.3.5 |
| Framework version | 2.0.6 |
View installation instructions
Requirements
| PHP | 7.4 or higher |
| Roundcube | 1.5, 1.6 |
| Database | SQLite / MySQL / Postgres |
License
This product is licensed for a single Roundcube installation. In order to use it on multiple installations, you must purchase multiple copies of the product.
Support
This product includes full technical support while the subscription is active.
Demo
To see all the plugins and skins in action go to our demo site.