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5 self-hosted iCloud alternatives

iCloud is a popular proprietary tool in the groupware space. These open-source apps let you replace iCloud with software you host and control yourself.

Best self-hosted iCloud alternatives

EasyMedium

bare-metalbinarydockersource

Radicale

Simple, lightweight CalDAV and CardDAV server

Replaces Google Calendar, iCloud

★ 4.9k Easy setup GPL-3.0

Baïkal

Lightweight CalDAV and CardDAV server with web admin

Replaces Google Calendar, iCloud

★ 3.3k Easy setup GPL-3.0

EteSync

Calendar & Contacts

End-to-end encrypted sync for contacts and calendars

Replaces Google Calendar, iCloud

★ 1.8k Medium setup AGPL-3.0

Davis

Modern admin interface for sabre/dav CalDAV server

Replaces Google Calendar, iCloud

★ 727 Easy setup MIT

Xandikos

Calendar & Contacts

Git-backed CalDAV and CardDAV server

Replaces Google Calendar, iCloud

★ 593 Medium setup GPL-3.0

Compare iCloud alternatives

Switching from iCloud

Moving off iCloud means trading a managed subscription for a service you run yourself. The payoff is ownership: no per-seat pricing, no vendor lock-in, and full control of your data. Start with the option above that matches your setup-difficulty comfort level — every app links to a detailed specs page and head-to-head comparisons.