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 100 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 Proton Drive, ownCloud, Filen and Seafile.

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iCloud iconiCloud
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Store email, contacts, calendars, photos, music, books, apps and more in the cloud and access them on all your devices. iCloud also provides collaborative services for task management and notes and productivity apps for...

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iCloud alternatives page was last updated Feb 9, 2025
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Alternatives
  1. fruux icon

    fruux

     32 likes
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    fruux is a free service that takes care of your contacts, calendars and more so you don't have to. Never manually copy contacts and calenders between your devices again!

    53 fruux alternatives

    License model

    • Freemium • Open Source

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Blackberry
    • Windows Phone
    • iPad
    • Blackberry 10
    • Sailfish OS
    • Software as a Service (SaaS)
    fruux screenshot 1

    fruux Features

    1.  CardDAV Support
    2.  Contacts
    3.  CalDAV Support
    4.  Sync Contacts
    5.  Calendar Sync
    6.  CalDAV Server

    fruux VS iCloud

     
  2. Cloudreve icon

    Cloudreve

     6 likes
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    Self-hosted file management and sharing system, supports multiple storage providers.

    55 Cloudreve alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • CN flagChina

    Platforms

    • Online
    • iPhone
    • Self-Hosted
    Cloudreve screenshot 1

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Ad-free
    2.  Built-in viewer
    3.  Two-factor Authentication
    4.  No Tracking
    5.  Shared Folders
    6.  Cloud Sync
    7.  End-to-End Encryption
    8.  Dark Mode
    9.  Golang

    Cloudreve VS iCloud

     
  4. Astian Cloud icon

    Astian Cloud

     2 likes
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    Astian Cloud is a secure and private storage alternative where users can store their information, share files, edit files, video conferences and much more.

    22 Astian Cloud alternatives

    License model

    Application types

    Country of Origin

    • CL flagChile

    Platforms

    • Online
    • Android
    Astian Cloud screenshot 1

    Astian Cloud Features

    1.  Real time collaboration
    2.  End-to-End Encryption
    3.  Cloud Sync
    4.  File Storage
    5.  Cloud based
    6.  Mobile friendly
    7.  Storage control
    8.  Sync Contacts
    9.  Local server

    Astian Cloud VS iCloud

     
  5. Ad
    Screenshot
    kDrive icon
    kDrive

    kDrive is a Swiss online storage service that respects its users' privacy and makes storing, sharing & collaborating on files a breeze.

    https://www.infomaniak.com
    Learn More
  6. Fileverse icon

    Fileverse

     5 likes
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    Fileverse offers a suite of tools similar to Google Suite and Notion but with the difference that it enhances users’ privacy, independence, and creativity.

    109 Fileverse alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online
    Fileverse screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Decentralized
    2.  No Tracking
    3.  Ad-free
    4.  Shared Folders
    5.  End-to-End Encryption
    6.  Encrypted Backup
    7.  Real time collaboration

    Fileverse VS iCloud

     
  7. LinShare icon

    LinShare

     27 likes
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    Linshare is an Open Source secure file sharing application intended to cover your business security and file transfer needs.

    46 LinShare alternatives

    License model

    • Free • Open Source

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Online
    LinShare screenshot 1

    LinShare Features

    1.  File Hosting

    LinShare VS iCloud

     
  8. EteSync icon

    EteSync

     32 likes
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    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.

    37 EteSync alternatives

    License model

    • Freemium • Open Source

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)
    • Etebase
    EteSync screenshot 1
    EteSync screenshot 2
    EteSync screenshot 3

    EteSync Features

    1.  End-to-End Encryption
    2. Android icon  Android Sync
    3.  Sync Contacts
    4.  Client side encryption
    5.  Calendar Sync
    6.  Encrypted Backup
    7.  Activity history
    8.  Contacts

    EteSync VS iCloud

     
  10. Bitwarden Send icon

    Bitwarden Send

     14 likes
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    A secure and ephemeral way to transmit sensitive information to anyone. Sends can include plaintext or file attachments up to 100 MB.

    97 Bitwarden Send alternatives

    License model

    • Freemium • Open Source

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Opera
    • Brave
    • Firefox
    Bitwarden Send screenshot 1

    Bitwarden Send Features

    1.  End-to-End Encryption

    Bitwarden Send VS iCloud

     
  11. CmisSync icon

    CmisSync

     23 likes
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    Securely syncs files and folders to your enterprise file server (on-premise or private cloud), rather than to a public cloud.

    134 CmisSync alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • JP flagJapan

    Platforms

    • Mac
    • Windows
    • Linux
    A folder synchronized between an Alfresco server and the local desktop.

    CmisSync Features

    1.  Folder Sync
    2.  Location-based
    3.  On-premises software
    4.  Synchronization

    CmisSync VS iCloud

     
  12. DeNet icon

    DeNet

     1 like
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    DeNet is an ecosystem, based on decentralized data storage that brings you the WEB3. Gives the users the convenience of regular cloud services and high level security with the lowest price tag in the market.

    13 DeNet alternatives

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD

    Properties

    1.  Privacy focused

    Features

    1.  No registration required
    2.  Decentralized
    3.  Works Offline
    4.  End-to-End Encryption
    5.  Cloud based

    DeNet VS iCloud

     
  13. Freehold icon

    Freehold

     21 likes
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    An open, secure, and lightweight platform for your files and data.

    145 Freehold alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    Home App
    Discontinued

    Latest commit 3d05473 on Sep 3, 2015 . See https://github.com/timshannon/freehold

    Freehold Features

    1.  File Hosting
    2.  Synchronization

    Freehold VS iCloud

     
  14. Iroco icon

    Iroco

     Like
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    Opensource email which cares about your privacy. Developed and hosted in France.

    51 Iroco alternatives

    License model

    Application type

    Platforms

    • Online

    Properties

    1.  Privacy focused

    Features

    1.  Ad-free
    2.  Calendar View
    3.  No Tracking

    Iroco VS iCloud

     
  15. notenote.cc icon

    notenote.cc

     2 likes
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    Your own Instagram, encrypted.

    24 notenote.cc alternatives

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Online
    • Android
    notenote.cc screenshot 1
    notenote.cc screenshot 2
    notenote.cc screenshot 3

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  No Coding Required
    2.  Two-factor Authentication
    3.  Works Offline
    4.  Encrypted Backup
    5.  Live Preview
    6.  WYSIWYG Support
    7.  End-to-End Encryption
    8.  File Tagging
    9.  No Tracking
    10.  No registration required
    11.  Support for MarkDown
    12.  Ad-free

    notenote.cc VS iCloud

     
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