pimutils
vdirsyncer
Python

๐Ÿ“‡ Synchronize calendars and contacts.

Last updated Jul 7, 2026
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README

========== vdirsyncer ==========

.. image:: https://builds.sr.ht/~whynothugo/vdirsyncer.svg :target: https://builds.sr.ht/~whynothugo/vdirsyncer :alt: CI status

.. image:: https://codecov.io/github/pimutils/vdirsyncer/coverage.svg?branch=main :target: https://codecov.io/github/pimutils/vdirsyncer?branch=main :alt: Codecov coverage report

.. image:: https://readthedocs.org/projects/vdirsyncer/badge/ :target: https://vdirsyncer.rtfd.org/ :alt: documentation

.. image:: https://img.shields.io/pypi/v/vdirsyncer.svg :target: https://pypi.python.org/pypi/vdirsyncer :alt: version on pypi

.. image:: https://img.shields.io/badge/deb-packagecloud.io-844fec.svg :target: https://packagecloud.io/pimutils/vdirsyncer :alt: Debian packages

.. image:: https://img.shields.io/pypi/l/vdirsyncer.svg :target: https://github.com/pimutils/vdirsyncer/blob/main/LICENCE :alt: licence: BSD

  • Documentation <https://vdirsyncer.pimutils.org/en/stable/>_
  • Source code <https://github.com/pimutils/vdirsyncer>_
Vdirsyncer is a command-line tool for synchronizing calendars and addressbooks between a variety of servers and the local filesystem. The most popular usecase is to synchronize a server with a local folder and use a set of other programs_ to change the local events and contacts. Vdirsyncer can then synchronize those changes back to the server.

However, vdirsyncer is not limited to synchronizing between clients and servers. It can also be used to synchronize calendars and/or addressbooks between two servers directly.

It aims to be for calendars and contacts what OfflineIMAP <https://www.offlineimap.org/>_ is for emails.

.. _programs: https://vdirsyncer.pimutils.org/en/latest/tutorials/

Links of interest =================

  • Check out the tutorial
<https://vdirsyncer.pimutils.org/en/stable/tutorial.html>_ for basic usage.
  • Contact information
<https://vdirsyncer.pimutils.org/en/stable/contact.html>_
  • How to contribute to this project
<https://vdirsyncer.pimutils.org/en/stable/contributing.html>_
  • Donations <https://vdirsyncer.pimutils.org/en/stable/donations.html>_
Dockerized ================= If you want to run Vdirsyncer <https://vdirsyncer.pimutils.org/en/stable/>_ in a Docker environment, you can check out the following GitHub Repository:
  • Vdirsyncer DOCKERIZED <https://github.com/Bleala/Vdirsyncer-DOCKERIZED>_
Note: This is an unofficial Docker build, it is maintained by Bleala <https://github.com/Bleala>_.

License =======

Licensed under the 3-clause BSD license, see `LICENSE`.

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