Top 18 Carddav Open-Source Projects

• Radicale

  31 3,104 9.3 Python

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

  

Project mention: Stalwart All-in-One Mail Server (IMAP, JMAP, SMTP) | news.ycombinator.com | 2023-07-18

Maybe https://radicale.org/ could fit the bill, CalDav for as a calendar server and CardDav for contacts.

• vdirsyncer

  27 1,469 7.7 Python

  📇 Synchronize calendars and contacts.

  

Project mention: Calendar sync to Emacs | /r/emacs | 2023-06-03

Have a look at vdirsyncer. Sync calendars to a local directory and then use eMacs to read them.

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• hydroxide

  33 1,438 3.9 Go

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

• davx5-ose

  57 1,217 9.6 Kotlin

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

  

Project mention: Ask HN: What Underrated Open Source Project Deserves More Recognition? | news.ycombinator.com | 2024-03-07

• outlookcaldavsynchronizer

  1 892 5.0 C#

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

• TbSync

  4 771 5.7 JavaScript

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

Project mention: Our Fastest, Most Beautiful Release Ever: Thunderbird 115 “Supernova” Is Here | news.ycombinator.com | 2023-07-12

What I mean is that if you have an Outlook account, and you want to use Thunderbird for it, you will need to sync your Outlook calendar with Thunderbird. Outlook uses Exchange ActiveSync instead of CalDav/CardDav for this syncing.

The way to give Thunderbird these capabilities are by installing these two connected addons [1, 2]. At least till June 2022, I could see meeting invites from colleagues in Thunderbird. I would also see the translucent event in the calendar in Thunderbird. But accepting the invite would not work [2]. Also creating and sending Outlook calendar events from within Thunderbird didn't work. So, I always had to open the web Calendar to do these things. Thunderbird was only good for meeting reminders.

There is a new major release of the addon since then, so it is possible that the bug is fixed.

> I apparently don't get event invites from Outlook Calendars then

Obviously if your email/calendar account is something else, then you have no problem. If someone sends an invite to my gmail, from their outlook, I can accept it fine from within Thunderbird, because Thunderbird/gmail are communicating using Caldav (I think).

> Which clients do work with that then, only Outlook itself?

I will use Thunderbird as much as possible till it is pried from my cold dead hands!

[1] https://github.com/jobisoft/TbSync/

[2] https://github.com/jobisoft/EAS-4-TbSync/wiki/About:-Provide...

• contacts

  8 542 9.5 JavaScript

  📇 Contacts app for Nextcloud

  

Project mention: Ask HN: What is your approach for managing personal digital assets? | news.ycombinator.com | 2024-03-24

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• davmail

  2 540 9.0 Java

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

• docker-radicale

  6 490 6.2 Python

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

Project mention: Nextcloud - Alternative(s) | /r/selfhosted | 2023-09-25

Just so you know, I used the docker image from tomsquest - docker-radicale

• Xandikos

  4 378 8.1 Python

  A CalDAV/CardDAV server backed by Git

• Davis

  1 292 7.7 PHP

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

• etesync-dav

  13 279 2.2 Python

  This is a CalDAV and CardDAV adapter for EteSync

  

• tsdav

  1 186 5.8 TypeScript

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

• DAV-4-TbSync

  2 163 4.7 JavaScript

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

• cdav-library

  1 60 8.6 JavaScript

  :date: 📇 CalDAV and CardDAV client library for JavaScript

  

• Gnome-DAV-Support-Shim

  2 37 2.0 Shell

  CardDAV, CalDAV, etc support for GNOME

• addrb

  1 31 3.6 Go

  addrb: A lightweight CLI / TUI address book that supports CardDAV

• vcard4android

  1 8 6.1 Kotlin

  Allows usage of vCard resources with the Android contacts provider

  

• SaaSHub

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• A note from our sponsor - SaaSHub
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