carddav

A simple CalDAV (calendar) and CardDAV (contact) server.

📇 Synchronize calendars and contacts.

A third-party, open-source ProtonMail CardDAV, IMAP and SMTP bridge

Sync Outlook with Google, SOGo, Nextcloud or any other CalDAV/CardDAV server

[Thunderbird Add-On] Central user interface to manage cloud accounts and to synchronize their contact, task and calendar information with Thunderbird

DAVx⁵ is an open-source CalDAV/CardDAV suite and sync app for Android. You can also access your online files (WebDAV) with it.

📇 Contacts app for Nextcloud

DavMail POP/IMAP/SMTP/Caldav/Carddav/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at

📆 Docker image for Radicale calendar and contact server + security 🔐 + addons 🚀

A CalDAV/CardDAV server

This is a CalDAV and CardDAV adapter for EteSync

A Go library for WebDAV, CalDAV and CardDAV

🗓 A simple, fully translatable admin interface for sabre/dav based on Symfony 5 and Bootstrap 4, largely inspired by Baïkal.

Milton Java WebDAV / CalDAV / CardDAV Server Library that runs on Windows, Mac, Linux, Android and iOS.

[Thunderbird Add-On] The CalDAV & CardDAV provider for TbSync to sync contacts, tasks and calendars to Thunderbird.

Tine 2.0 main repository

WebDAV, CALDAV, and CARDDAV client for Nodejs and the Browser

📓 A command-line PHP script allowing to import CardDAV-based VCards (e.g. from 'owncloud') to a phonebook in a AVM FRITZ!Box

calcardbackup: moved to https://codeberg.org/BernieO/calcardbackup

📅 📇 CalDAV and CardDAV client library for JavaScript