42 Open Source Caldav Software Projects

A Go library for WebDAV, CalDAV and CardDAV

Calypso CalDAV and CardDAV server

:date: 📇 CalDAV and CardDAV client library for JavaScript

Calendar application for Linux with CalDAV

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

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

Tine 2.0 main repository

📇 Synchronize calendars and contacts.

Sabre.io DAV server adapter for Laravel

A daemon to display notifications of iCalendar events

experimental #CalDAV + #WebCal Server in #Golang

Node-RED module to get events from a iCal Calender (Google e.g.), icloud or Caldav Server via kalender-events

CalDAV .NET client library

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

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

A CalDAV web client similar to Google Calendar

Gets events from an ical-URL/file, a caldav-server or from the iCloud.

QOwnNotes is a plain-text file notepad and todo-list manager with markdown support and Nextcloud / ownCloud integration.

Tutorial / Anleitung um mit Baikal Kontakte und Kalender sicher zu verwalten und speichern

Lightweight iCalendar (RFC 5545) encoder for Swift

Kalle is a blitz.js based appointment scheduling tool that allows you to schedule an appointment with customers, collegues or friends within seconds.

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

✅ A simple, standards-based, cli todo (aka: task) manager.

CalDAV client in the Elixir language

CalDAV4j is a java library implementing the CalDAV protocol.

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

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

A lightweight caldav/carddav server for personal use powered by Spring Boot.

A CalDav server built on Rails

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

a simple, safe, and minimal CalDAV server

Run sogo in a docker container.

📆 Calendar app for Nextcloud

:calendar: Docker image for Radicale calendar and contact server + security :closed_lock_with_key: + addons :rocket:

:white_check_mark: Tasks app for Nextcloud

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

A CalDAV/CardDAV server

python ics to json lib

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

A modular spring-boot application for alexa (amazon) skill.

This is a CalDAV and CardDAV adapter for EteSync