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113 lines
5.8 KiB
Markdown
113 lines
5.8 KiB
Markdown
---
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title: "Calendar and Contact Sync"
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icon: material/calendar
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---
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Calendaring and contacts are some of the most sensitive data posess. Use only products that use E2EE at rest. This prevents a provider from reading your data.
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## Cloud/SaaS Providers
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These products are included with an subscription with their respective [email providers](email.md).
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### Tutanota
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!!! recommendation
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{ align=right }
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{ align=right }
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**Tutanota** has an [encrypted calendar](https://tutanota.com/blog/posts/free-encrypted-calendar/) in their desktop and mobile clients.
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[Website](https://tutanota.com/calendar){ .md-button .md-button--primary } [Privacy Policy](https://tutanota.com/privacy){ .md-button }
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??? downloads
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- [:fontawesome-brands-windows: Windows](https://tutanota.com/blog/posts/desktop-clients/)
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- [:fontawesome-brands-apple: macOS](https://tutanota.com/blog/posts/desktop-clients/)
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- [:fontawesome-brands-linux: Linux](https://tutanota.com/blog/posts/desktop-clients/)
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- [:pg-flathub: Flatpak](https://flathub.org/apps/details/com.tutanota.Tutanota)
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- [:fontawesome-brands-google-play: Google Play](https://play.google.com/store/apps/details?id=de.tutao.tutanota)
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- [:pg-f-droid: F-Droid](https://f-droid.org/en/packages/de.tutao.tutanota)
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- [:fontawesome-brands-app-store-ios: App Store](https://apps.apple.com/us/app/tutanota/id922429609)
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- [:fontawesome-brands-github: Source](https://github.com/tutao/tutanota)
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### Proton Calendar
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!!! recommendation
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{ align=right }
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**Proton Calendar** is an calendar app that is available to ProtonMail members. All data stored within it is end-to-end encrypted when stored on ProtonMail's servers.
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[Website](https://calendar.protonmail.com){ .md-button .md-button--primary } [Privacy Policy](https://protonmail.com/privacy-policy){ .md-button }
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??? downloads
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- [:fontawesome-brands-google-play: Google Play](https://play.google.com/store/apps/details?id=me.proton.android.calendar)
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- [:fontawesome-brands-github: Source](https://github.com/ProtonMail/WebClients)
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## Self-hostable
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Some of these options are self-hostable, but could be offered by third party SaaS providers for a fee:
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### EteSync
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!!! recommendation
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{ align=right }
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**EteSync** is a secure, end-to-end encrypted, and privacy-respecting cloud backup and synchronization software for your personal information (e.g. contacts and calendars). There are native clients for Android, iOS, and the web, and an adapter layer for most desktop clients.
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EteSync also offers optional software as a service for [$24 per year](https://dashboard.etebase.com/user/partner/pricing/) to use, or you can host the server yourself for free.
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[Website](https://www.etesync.com){ .md-button .md-button--primary } [Privacy Policy](https://www.etesync.com/tos/#privacy){ .md-button }
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??? downloads
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- [:fontawesome-solid-earth-americas: Client Instructions](https://github.com/etesync/etesync-dav/blob/master/README.md#specific-client-notes-and-instructions)
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- [:fontawesome-brands-google-play: Google Play](https://play.google.com/store/apps/details?id=com.etesync.syncadapter)
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- [:pg-f-droid: F-Droid](https://f-droid.org/app/com.etesync.syncadapter)
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- [:fontawesome-brands-app-store-ios: App Store](https://apps.apple.com/us/app/apple-store/id1489574285)
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- [:fontawesome-brands-github: Source](https://github.com/etesync)
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### Nextcloud
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!!! recommendation
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{ align=right }
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**Nextcloud** is a suite of client-server software for creating and using file hosting services. This includes calendar sync via CalDAV and contacts sync via CardDAV. Nextcloud is free and open-source, thereby allowing anyone to install and operate it without charge on a private server.
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You can self host Nextcloud or pay for service from a [provider](https://nextcloud.com/signup/).
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[Homepage](https://nextcloud.com/){ .md-button .md-button--primary }
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??? downloads
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- [:fontawesome-brands-windows: Windows](https://nextcloud.com/install/#install-clients)
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- [:fontawesome-brands-apple: macOS](https://nextcloud.com/install/#install-clients)
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- [:fontawesome-brands-linux: Linux](https://nextcloud.com/install/#install-clients)
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- [:pg-flathub: Flatpak](https://flathub.org/apps/details/com.nextcloud.desktopclient.nextcloud)
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- [:fontawesome-brands-google-play: Google Play](https://play.google.com/store/apps/details?id=com.nextcloud.client)
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- [:pg-f-droid: F-Droid](https://f-droid.org/packages/com.nextcloud.client)
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- [:fontawesome-brands-app-store-ios: App Store](https://apps.apple.com/us/app/nextcloud/id1125420102)
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- [:fontawesome-brands-github: Source](https://github.com/nextcloud)
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### DecSync CC
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!!! recommendation
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{ align=right }
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**DecSync CC** synchronizes contacts, calendars and tasks using DecSync. It stores this data in a shared directory, using [Syncthing](file-sharing/#syncthing), or any other file synchronization service.
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There are [plugins](https://github.com/39aldo39/DecSync#rss) to sync other types of data such as [RSS](news-aggregators.md).
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[Project Info](https://github.com/39aldo39/DecSync#readme){ .md-button .md-button--primary }
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??? downloads
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- [:fontawesome-brands-google-play: Google Play](https://play.google.com/store/apps/details?id=org.decsync.cc)
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- [:pg-f-droid: F-Droid](https://f-droid.org/packages/org.decsync.cc)
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--8<-- "includes/abbreviations.en.md"
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