Self-hosted alternatives to iCloud

Syncthing

★ 85,702

Syncthing continuously syncs files between your devices, encrypted and peer-to-peer, with no central server. It's the alternative to Dropbox for people who don't want a third-party cloud: files go straight from one machine to another.

Puter

★ 42,384

Web-based operating system designed to be feature-rich, exceptionally fast, and highly extensible.

Nextcloud

★ 35,889

Nextcloud is a complete private-cloud suite: files, calendar, contacts, email, calls and document editing. It's the most robust self-hosted alternative to Google Drive and Microsoft 365, with a huge ecosystem of apps.

Cloudreve

★ 28,157

File management and sharing system, supports multiple storage providers.

Seafile

★ 14,882

File hosting and sharing solution primary for teams and organizations.

ownCloud

★ 8,794

All-in-one solution for saving, synchronizing, viewing, editing and sharing files, calendars, address books and more.

OpenCloud

★ 5,616

File Sharing and Collaboration Platform.

Unison

★ 5,375

Unison is a file-synchronization tool for OSX, Unix, and Windows.

Radicale

★ 4,764

Simple calendar and contact server with extremely low administrative overhead.

Kinto

★ 4,416

Minimalist JSON storage service with synchronisation and sharing abilities.

Baïkal

★ 3,217

Lightweight CalDAV and CardDAV server based on sabre/dav.

Peergos

★ 2,424

Secure and private space online where you can store, share and view your photos, videos, music and documents. Also includes a calendar, news feed, task lists, chat and email client.