✅ Update queued — the AI is re-ranking this list. The page will refresh shortly.
This page is already up to date.
Baïkal is a lightweight, self-hosted CalDAV and CardDAV server for synchronizing calendars and contacts across desktop and mobile clients. It is designed for users and administrators who want a focused PHP-based alternative to larger groupware platforms.
💡 Pick it if you want calendar and contacts alongside files, collaboration, and a complete web productivity suite.
Nextcloud is a self-hosted file sync and share server designed to be easy to use and secure.
Free and paid plans available
💡 Choose it when shared groupware, webmail, delegation, and organizational calendar controls matter more than minimal hosting.
SOGo is a fully-featured collaboration suite with focus on scalability and simplicity.
Free and paid versions available
💡 Pick it if you want the simplest lightweight open-source DAV server and are comfortable managing configuration files.
Radicale is a simple CalDAV and CardDAV server that offers lightweight synchronization.
💡 Choose it for database-backed calendar sharing and granular permissions in a multi-user self-hosted environment.
DAViCal is a server for calendar sharing that uses the CalDAV protocol.
💡 Pick it if you prefer a lightweight Python-based DAV service and are comfortable with a smaller, more technical project.
Xandikos is a CalDAV/CardDAV server which offers a lightweight and easy-to-deploy solution for syncing calendars and contacts.
💡 Choose it if calendar synchronization is part of a broader need for enterprise file sharing and collaboration.
ownCloud is a self-hosted file sync and share server. It provides cloud storage, file synchronization, and collaboration functionality.
Free and paid plans available
Your feedback helps us improve the AI rankings.
✅ Thanks for your feedback!
Suggest a product and our AI will verify it's a real alternative to Baïkal before adding it to the list.
