DAVx⁵ is an open-source CalDAV/CardDAV suite and sync app for Android. You can also access your online files (WebDAV) with it.
Last updated Jul 7, 2026
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README
📱 DAVx⁵ ========
[!IMPORTANT]
Please see the DAVx⁵ Web site for
comprehensive information about DAVx⁵, including a list of services it has been tested with,
a manual and FAQ.
✨ Key features
- CalDAV/CardDAV synchronization for Android
- Live WebDAV file access over Storage Access Framework
- Contacts, calendars, and tasks sync
- Open-source and privacy-focused
- Supports self-hosted servers
- Easy setup with automatic configuration
📰 News and updates:
- @davx5app@fosstodon.org on Mastodon
Support & Contribution
- Support guidelines – How to get help and report issues
- Contribution guidelines – How to contribute to DAVx⁵
- Security policy – Responsible vulnerability disclosure
- cert4android – custom certificate management
- dav4jvm – WebDAV/CalDav/CardDAV framework
- synctools – iCalendar/vCard processing and content provider access
