# vdirsyncer

> Updated 2026-09-03 · type: tool · category: meetings-scheduling · status: active · rev 1

~1900 stars; complements caldav, khal; Open-protocol CalDAV/CardDAV sync CLI. Auth per server (basic/app-password). No ToS/ban risk.

- Open source: yes (BSD-3-Clause)
- Self-hostable: yes
- Pricing model: free
- Best for: People who want to synchronize calendars and contacts across multiple servers and local storage from the command line.
- Last verified: 2026-09-04

- **Canonical:** https://gtmstacker.com/registry/tool/vdirsyncer/
- **Source:** [github · github.com/pimutils](https://github.com/pimutils/vdirsyncer)
- **Tags:** meetings-scheduling, calendar-scheduling
- **Repository:** https://github.com/pimutils/vdirsyncer

## Is vdirsyncer open source?

Yes — BSD-3-Clause-licensed.

## How much does vdirsyncer cost?

It is free to use.

## Can I self-host vdirsyncer?

Yes — it can be self-hosted.


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~1900 stars; complements caldav, khal; Open-protocol CalDAV/CardDAV sync CLI. Auth per server (basic/app-password). No ToS/ban risk.