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Baïkal

A calendar and contacts server for CalDAV and CardDAV, now kept up by volunteers.

Instead of Google Calendar, Google Contacts

M · SystemOpen sourceSelf-hostable
sabre.io/baikal
Screenshot of the Baïkal website

Screenshot from sabre.io/baikal, taken 2026-10-30, shown to help you recognise the tool. It belongs to its maker. Ask us to remove it.

Baïkal was created by Jérôme Schneider at Net Gusto and fruux, and its repository says it is now developed by volunteers. It is a Calendar+Contacts server under GPL-3.0 that does the same job as Radicale, with your calendars and contacts on a server you choose.

Baïkal scores a 5 on lock-in, a 4 on footprint and power and a 3 on self-direction, longevity and delivery.

The page lists no requirements, platforms or price, and its Releases section was empty in what we read, so check how recent its last release is before you rely on it. It is a server, so you need a client app to read it.

    What stands out

  • A CalDAV and CardDAV server for calendars and contacts
  • Created at Net Gusto and fruux, now developed by volunteers
  • The page shows no releases, so check how current it is
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For dark backgrounds, use baikal-dark.svg in place of baikal-light.svg.

For comparison, we also reviewed Google Calendar (16/30) as a benchmark.