Baïkal Hosting Live In 5 Minutes

Deploy Baïkal hosting and run a self-hosted CalDAV and CardDAV server for your own calendars and contacts, synchronised to the phones and desktop apps you already use. xCloud starts the pinned image with the setup wizard already completed, generates the administrator password, keeps the SQLite database and configuration on two volumes and publishes the admin area and DAV endpoint over HTTPS on your domain.

Deploy your Baïkal

No terminal
No technical skills needed
No lock-in, cancel anytime

What is Baïkal?

Baïkal is a lightweight CalDAV and CardDAV server for private calendars and contacts, released under the GPL-3.0 licence. Upstream points to installation, upgrading and troubleshooting guides at sabre.io, and community guides cover Thunderbird, Android with DAVx5 and iOS clients. A small web admin manages users and resources. Self-hosted Baïkal is the option for people who would otherwise keep calendars and contacts in Google Calendar or iCloud.

On xCloud the template runs Baïkal 0.10.1 from the community ckulka/baikal image, nginx and PHP 8.2, pinned by digest, as one container with a SQLite database. It is not the newest upstream release. The setup wizard is completed for you and disabled; the generated password is applied once. baikal_specific holds the database and baikal_config the configuration, admin hash and encryption key.

From Sign-Up to a Live Baïkal Server In Just 3 Easy Steps

Self-hosting Baïkal normally means a container, a setup wizard, persistent storage and a certificate before a single calendar syncs. This is the same result without assembling any of it.

Step 01
Sign Up
Create your xCloud account and pick Baïkal from the OneClick catalog. There are no extra fields — xCloud generates the admin password.
Step 02
We Deploy It For You
One click. We bring up the pinned Baïkal 0.10.1 image, complete setup automatically and disable the public setup wizard, mount both persistent volumes, and publish it over HTTPS on your domain.
Step 03
Create A User And Connect Your Devices
Open https://<your-domain>/admin/ and sign in as admin with the password from your installation page. Create a user under Users and resources, then connect your devices to https://<your-domain>/dav.php with that user's credentials.

Everything Baïkal Does, On Your Own Server

Baïkal runs in full here — CalDAV and CardDAV sync with its small web admin, on infrastructure you control.

CalDAV And CardDAV Sync
Sync calendars and contacts over one URL, https://<your-domain>/dav.php, with .well-known auto-discovery for supporting clients.
Own Your Data
Keep calendars and address books on a server you control instead of with a large provider.
A Small Web Admin
Manage users, calendars and address books from a lightweight admin interface.
No Separate Database
SQLite and a single container, with no separate database server to run or patch.
Photos And Attachments
Contact photos and attachments up to 20 MB per request.
Everything Survives A Restart
Calendars, contacts, users and the admin login all survive an xCloud restart or redeploy.

Everything You Need To Run Your Calendar Sync 24/7

Managed hosting for Baïkal, so the parts that keep it online are not your problem.

Baïkal 0.10.1 deployed instantly
Generated admin password
CalDAV and CardDAV auto-discovery
Free SSL certificate
Server backups and snapshots
Server security updates included
30+ server locations
Unused balance refunded

What You Can Do With Baïkal

Sync a family calendar across phones
Create a user per person and a shared calendar, then add the account to each phone, so appointments appear everywhere without a large provider holding them.
Keep contacts on your own server
Host an address book that syncs over CardDAV to desktop and mobile apps, with the data in a SQLite file on a volume you back up.
Move off a cloud calendar
Export from Google Calendar or iCloud, import into Baïkal, and point your devices at your own domain, ending a dependence on that provider's accounts.
Run a tiny always-on DAV server
Baïkal used about 25 MB at idle in QA, so it sits comfortably beside other apps on the same Cloud VPS.

Baïkal vs Alternatives

Google Calendar: If your calendar lives in Google Calendar today, Baïkal is the self-hosted route: events sync over CalDAV to your devices, and the data sits in SQLite on your own Cloud VPS.
iCloud: If you sync contacts and calendars through iCloud, Baïkal serves the same standards from your own domain, with clients such as iOS and Android with DAVx5 covered by upstream's linked guides.
Radicale: Radicale has its own xCloud page and is another small CalDAV and CardDAV server. Compare the two templates for storage, administration and sizing before you choose.
Nextcloud: Nextcloud has its own xCloud page. Baïkal's template does one job, calendars and contacts, in a single light container with a SQLite database.

Simple Pricing. Everything Included.

Dedicated Cloud VPS sizes, pre-configured for Baïkal hosting. Pick the one that fits, and resize any time.

Cloud VPS 6 GB

Cloud VPS 16 GB

More users and resources on one server.

$59.99per month

16 GB RAM
6 vCPU cores
200 GB NVMe SSD
30 TB
Unlimited

Get started

Cloud VPS 24 GB

Baïkal alongside a whole self-hosted productivity stack.

$84.99per month

24 GB RAM
8 vCPU cores
300 GB NVMe SSD
30 TB
Unlimited

Get started

Every size is a dedicated Cloud VPS we provision, patch, monitor and restore. Billed monthly with no lock-in — delete the server and the unused balance comes back to your account. Baïkal itself is free under the GPL-3.0 licence.

Docker hosting

Already Have a Server? Bring Your Own

Connect any VPS — DigitalOcean, Vultr, Linode, AWS, Hetzner or bare metal — and deploy Baïkal on it through the same panel, for a per-server management fee instead of a Cloud VPS rental.

Free

Start your journey without cost.

$0forever

1 server
10 sites

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Starter

Professional

The same platform, discounted at 6–10 servers.

$4per server / month

6–10 servers
Unlimited sites
All features included
Bring any VPS provider

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Agency

The same platform, discounted at 11+ servers.

$3per server / month

11+ servers
Unlimited sites
All features included
Bring any VPS provider

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Priced per connected server, so your rate adjusts automatically as you add or remove servers. You pay your own provider for the server itself.

Self-managed hosting

Ready To Own Your Calendars And Contacts?

Baïkal on xCloud runs on a dedicated Cloud VPS that we provision, patch, monitor and restore. Deploy faster. Own the server. Stay in control.

Fast Provisioning
Deploy faster using an xCloud Managed Server built with optimized stacks and high-speed SSDs.
Enterprise-grade security
Protect your infrastructure with a free SSL certificate and more advanced security features at no additional cost.
Intuitive Control Panel
From Server creation to application deployment, everything can be managed from our intuitive control panel.

Hear what people are saying about us

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Frequently Asked Questions

Feel free to contact us with any questions or concerns you may have.

What is Baïkal used for?

Baïkal is used to host your own calendars and address books. Phones, tablets and desktop apps sync to it over the CalDAV and CardDAV standards, so appointments and contacts live on your server instead of with a large provider. You create users, calendars and address books in its small web admin.

Is Baïkal free and open source?

Yes. Baïkal is open source under the GPL-3.0 licence, and the community Docker image wrapper used here is MIT-licensed. There is no licence fee. The xCloud charge is the Cloud VPS and the deployment work, and Baïkal itself is light, using roughly 25 MB at idle.

Can you self-host Baïkal with Docker?

Yes. For Baïkal Docker hosting the template runs the community ckulka/baikal 0.10.1 image, pinned by digest, as one container with SQLite and two named volumes. It completes the setup wizard, writes the configuration with your generated administrator password and puts HTTPS on your domain, so no compose or wizard work is left.

How much RAM does Baïkal need?

Baïkal's manifest floor is 256 MB of RAM, a single core and 2 GB of disk, and measured use was about 25 MB at idle. The 6 GB tier on this page leaves Baïkal free to share the server with other apps. Storage grows slowly with calendars and contacts.

Does Baïkal work with iPhone and Android?

Yes, through standard CalDAV and CardDAV. Upstream links community guides for Thunderbird, Android with DAVx5 and iOS clients. Point the client at your domain's dav.php address with a Baïkal user account, and the redirects at /.well-known/caldav and /.well-known/carddav help clients find the server automatically.

What is the difference between CalDAV and CardDAV?

CalDAV is the standard for calendars and tasks, and CardDAV is the standard for contacts. Baïkal serves both from one address, so one account can sync a calendar and an address book. Your devices choose which protocol to use based on the account type you add.

How do I back up Baïkal?

Back up baikal_specific and baikal_config together while writes are stopped. baikal_specific holds the SQLite database with your calendars and contacts, and baikal_config holds the admin password hash and the encryption key, so losing either loses something. Keep copies off-server and test a restore before relying on them.

Backups in xCloud

How do I upgrade Baïkal?

By adopting a newer template version when one is published. The pinned 0.10.1 image does not move by itself, and the community build trails newer upstream releases, so 0.11 and 0.12 changes are absent. Back up both volumes first; never edit the image tag or digest yourself.

What is the Baïkal CalDAV URL?

Clients connect to dav.php on your domain over HTTPS, for example your domain followed by /dav.php. Sign in with a user you created under Users and Resources, not the admin account. The admin area itself is at /admin/ on the same domain, where the generated administrator password applies.

Can I change the administrator password later?

Yes, in the admin interface. The generated password is applied only on the very first start, and editing it in the environment afterwards has no effect, so change it in Baïkal itself. Uploads such as contact photos are limited to 20 MB per request in this template.

Can I run Baïkal in the cloud on xCloud?

Yes. Baïkal cloud hosting builds a dedicated Cloud VPS around it, then attaches your domain and a certificate. A small server already running at another provider can instead be enrolled as self-managed and run the same template.

Can I cancel anytime?

Yes. There is no lock-in — cancel any time. Hosting is billed monthly and charged for what you actually use, so when you delete the server the unused balance is refunded to your account, less up to 10% in payment-processing fees.