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DAVx⁵ is the only all-in-one synchronization solution for your contacts (CardDAV), calendars (CalDAV) and your tasks (based on VTODO). The app is easy to set up and integrates perfectly with your favorite calendar/contacts app (including default apps). It can also be used seperately, if you either have CalDAV, CardDAV or only Tasks.
Compatible with almost every CalDAV/CardDAV servers and services, including Nextcloud, iCloud and Synology!
After installing, you can add a DAVx⁵ account from within the app. See https://www.davx5.com/tested-with/ for help. For more information, please see the manual: https://www.davx5.com/manual/, the FAQ: https://www.davx5.com/faq/ and our forums: https://www.davx5.com/forums/Key features:
⊛ Sync your DAV calendars (CalDAV) and address-books (CardDAV) and Tasks (VTODO via CalDAV) in a single app
⊛ Two-way synchronization (server ↔ client)
⊛ Flawless integration with your device and favorite apps
⊛ Easy setup (resource auto-detection, support for self-signed certificates, authentication by client certificates)
⊛ Fast algorithms for high performance (CTag/ETag, limit sync time range for past events, multi-threaded sync)
⊛ Optimized for phones and tablets. Backward compatibility for old Android versions.
⊛ Management options within the app (Create and Delete new calendars, address books and to-do lists*)
⊛ Super-secure and we respect your privacy!
⊛ Absolutely no ads and no tracking.
⊛ GDPR compliant.
⊛ DAVx⁵ is completely open source
* depends on server implementation / may be not supported by all serversImportant compatibility notes
Attention: DAVx⁵ must not be moved to the SD card! This will cause strange behaviour, including account and data loss.Get the best out of this app …
⊛ … when using with your own DAV server (Radicale, DAViCal, SabreDAV, Baikal, …) and HTTPS – so you own and control all your data while having the comfort of synchronization between various devices. Or use a hosted DAV service you trust or the one of your company.
⊛ … and combine it with Evolution / Thunderbird / etc. on your computerSuccessfully tested with:
⊛ AOL Mail
⊛ Calendar and Contacts Server
⊛ Cyrus IMAP
⊛ DavMail Gateway
⊛ Group Office
⊛ Hetzner KonsoleH
⊛ Kerio Connect
⊛ Kolab Now
⊛ macOS Server
⊛ Oracle Beehive
⊛ Oracle Communications UCS
⊛ Synology DSM
⊛ Tine 2.0
⊛ Yahoo Mail! (calendar only)
⊛ … and many others: https://www.davx5.com/tested-with/Also available as a seperate business version with Enterprise features like mass-deployment and pre-configurable settings: https://www.davx5.com/organizations/managed-davx5
* CardDAV: better support for contact dates (birthday, anniversary), relations and other properties
* explicit Android 12 compatbility (WiFi SSID restriction requires "precise" location permission)
* sync: use global thread pool for sync threads for better performance/stability
* attach non-verbose logs to debug info by default
* many internal improvements and small bug fixes