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Open Source iCloud Alternatives

The best open source alternative to iCloud is Nextcloud. If that doesn't suit you, our users have ranked more than 50 alternatives to iCloud and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to iCloud are Syncthing, ownCloud, Seafile and Cozy.

iCloud alternatives are mainly Cloud Storage Services but may also be File Sync Tools or Online Backup Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of iCloud.
This page was last updated Jun 2, 2022
iCloud
  100
  • FreemiumProprietary
  • Mac
  • Windows
  • Online
  • iPhone
  • iPad

Store email, contacts, calendars, photos, music, books, apps and more in the cloud and access them on all your devices....

Learn more about iCloud

  1. You should have full control over your data. We help you achieve that: a safe home for all your data. Secure, under your control and developed in an open, transparent and trustworthy way. We are Nextcloud.

  2. Syncthing

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • BSD
    • Self-Hosted
    • F-Droid
    • Cloudron

    Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized. Your data is your data alone and you deserve to choose where it is stored.



  3. ownCloud

    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Blackberry
    • Android Tablet
    • iPad
    • Self-Hosted
    • Software as a Service (SaaS)
    • Raspberry Pi
    • Cloudron

    Store your private pictures, documents, calendar and contacts on your ownCloud server at home, a rented VPS or use one of the public ownCloud providers.

  4. Seafile is a professional open source cloud storage platform for organizations. It has complete file syncing and sharing features, reliable file storage and advanced privacy protection feature.

  5. Cozy

    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Self-Hosted
    • CouchDB
    • Go (Programming Language)

    Choose simplicity, get Cozy. We all have a life and a digital life. Cozy gathers them. In your Cozy, you have all your personal data: pictures, health, bank, holidays, accessible only by you. Welcome to your new digital home.



  6. mailbox.org offers a secure e-mail account for home and business use. The domain name, me@mailbox.org, is easy to remember and can be understood anywhere in the world. They have been operating e-mail accounts for more than 20 years and are a highly reliable service provider.

  7. Pydio is the mature alternative to Dropbox and Box.com, to build your own box, on your own servers.

  8. EteSync

    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)
    • Etebase

    Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars and tasks. Everything is encrypted on the client-side and all the code (client and server) is open source.

  9. A Dropbox-like file manager that connect to your existing storage: FTP, SFTP, WebDAV, Git, S3, Minio, Dropbox, Google Drive.

  10. kDrive is an independent storage and file sharing service that respects its users' privacy. It was developed – and is hosted – in Switzerland by Infomaniak, a key player in the European Cloud and the foremost developer of web hosting technologies in Switzerland.

Showing 10 of 20 alternatives