https://github.com/lennart-k/rustical

a calendar server aiming to be simple, fast and passwordless
https://github.com/lennart-k/rustical

address-book addressbook axum caldav caldav-server calendar carddav dav dav-push icalendar ics oidc rust vcf

Last synced: 11 days ago
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a calendar server aiming to be simple, fast and passwordless

• Host: GitHub
• URL: https://github.com/lennart-k/rustical
• Owner: lennart-k
• License: agpl-3.0
• Created: 2023-09-04T11:20:56.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2026-05-14T12:48:15.000Z (19 days ago)
• Last Synced: 2026-05-14T14:43:06.975Z (19 days ago)
• Topics: address-book, addressbook, axum, caldav, caldav-server, calendar, carddav, dav, dav-push, icalendar, ics, oidc, rust, vcf
• Language: Rust
• Homepage: https://lennart-k.github.io/rustical/
• Size: 3.11 MB
• Stars: 436
• Watchers: 6
• Forks: 31
• Open Issues: 29
• Metadata Files:
  • Readme: README.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE

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# RustiCal

a CalDAV/CardDAV server

> [!WARNING]

  RustiCal is under **active development**!

  While I've been successfully using RustiCal productively for more than half a year now and there seems to be a growing user base,

  you might still encounter bugs and rough edges.

  If you still want to use it in its current state, absolutely feel free to do so and to open up an issue if something is not working. :)

## Features

- easy to backup, everything saved in one SQLite database

  - also export feature in the frontend

- Import your existing calendars in the frontend

- **[WebDAV Push](https://github.com/bitfireAT/webdav-push/)** support, so near-instant synchronisation to DAVx5

- lightweight (the container image contains only one binary)

- adequately fast (I'd love to say blazingly fast™ :fire: but I don't have any benchmarks)

- deleted calendars are recoverable

- Nextcloud login flow (In DAVx5 you can login through the Nextcloud flow and automatically generate an app token)

- Apple configuration profiles (skip copy-pasting passwords and instead generate the configuration in the frontend)

- **OpenID Connect** support (with option to disable password login)

- Group-based **sharing**

- Partial [RFC 7809](https://datatracker.ietf.org/doc/html/rfc7809) support. RustiCal will accept timezones by reference and handle omitted timezones in objects.

## Getting Started

- Check out the [documentation](https://lennart-k.github.io/rustical/installation/)

## Tested Clients

- DAVx5,

- GNOME Accounts, GNOME Calendar, GNOME Contacts

- Evolution

- Apple Calendar

- Home Assistant integration

- Thunderbird

## Contributing

If you want to contribute bug fixes, tests, or smaller features for your use case, feel free to create a PR. :)

Larger contributions are also welcome, but please open up an issue first to discuss it.

I'll feel extremely bad for rejecting the PR you put a lot of work into,

but I also need to make sure that it's compatible with the plans I have for this project. :)