Baïkal
Lightweight CalDAV and CardDAV server based on sabre/dav.
Baïkal provides a self‑hosted CalDAV and CardDAV server built on the sabre/dav library. It runs on any PHP‑capable web server and stores data in either MySQL or SQLite, offering a web‑based administration panel for creating and managing users, address books, and calendars. The server is designed to be lightweight and straightforward to install, with detailed step‑by‑step guides for beginners, including examples on Raspberry Pi, Debian, and other platforms.
The service enables synchronization of contacts and calendar events across a wide range of clients, such as iOS, macOS, Android (via DAVx 5), Mozilla Thunderbird, and any application that supports the CalDAV or CardDAV protocols. By hosting the data locally, users retain full control over privacy and data security.
Baïkal is released under the GPL‑3.0 license, maintained by volunteers, and is considered stable for production use. It is free to use, requires no subscription, and is openly source, allowing anyone to inspect or modify the code.
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