The Best Open Source ownCloud AlternativesTop Cloud Storage Services & File Sync Tools like ownCloud

The best open source alternative to ownCloud is Nextcloud. If that doesn't suit you, our users have ranked more than 100 alternatives to ownCloud and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to ownCloud are Filen, Proton Drive, Seafile and YunoHost.

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ownCloud alternatives are mainly Cloud Storage Services, but if you're looking for File Sync Tools or File Managers you can filter on that. Other popular filters include Windows, Open Source and Self-Hosted. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to ownCloud.
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Alternatives list

  1. Nextcloud icon

    Nextcloud

     1233 likes

    On-premises solution offering file sync, universal data access and collaboration through Nextcloud Files, Talk, and Groupware. Ensures secure, controlled data storage for enterprise with powerful privacy tools including encryption, fine-grained access, and a bug bounty.

    180 Nextcloud alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • Self-Hosted
    • Snapcraft
    • Flathub
    • F-Droid
    • Raspberry Pi
    • Cloudron
    • Docker Hub
    Nextcloud screenshot 1
     
    |
    10
    Nextcloud vs ownCloud Comments
    Top Positive Comment
    jancborchardt
    17

    It’s a community-fork of ownCloud with all components being open source. :)

    Top Negative Comment
    Guest
    -2

    Server doesn't run on Windows

    Review by a new / low-activity user.
    Guest
    Positive
    1

    Free and auto install setup

    Review by a new / low-activity user.
    3 of 10 comments
    • Nextcloud is Free and Open SourceownCloud is Freemium and Open Source
    • Nextcloud is Privacy focused, Security-focused, Customizable and DecentralizedownCloud is not according to our users
  2. Filen icon

    Filen

     161 likes

    Filen is a cutting-edge cloud storage provider that offers client-side, end-to-end, zero-knowledge encryption. Headquartered and operated entirely in Germany, Filen is at the forefront of combining comprehensive features with uncompromising privacy and security.

    80 Filen alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Debian
    • AppImage
    • Fedora
    Filen screenshot 1
     
  4. Proton Drive icon

    Proton Drive

     183 likes

    Offering comprehensive privacy with end-to-end encryption, Proton Drive allows users to store, synchronize, and share files across various devices through web, desktop, and mobile apps. Free storage up to 5 GB, service remains open-source and audited, ensuring file content and access control.

    90 Proton Drive alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Tor
    Proton Drive screenshot 1
     
  5. Ad
    Screenshot
    Internxt Drive icon
    Internxt Drive

    Open-source, privacy-focused cloud storage using zero-knowledge encryption and blockchain technology, provides secure file transfer, end-to-end encryption, free 10 GB plan, desktop and mobile support, full user control, and no da...

    https://internxt.com
    Learn More
  6. Seafile icon

    Seafile

     197 likes

    Open source cloud platform for organizations with self-hosting, device file synchronization, sharing, versioning, secure encrypted storage, admin controls, web access, audit logging, and support for desktop and mobile clients for secure collaboration.

    135 Seafile alternatives

    Cost / License

    • Freemium
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Software as a Service (SaaS)
    Seafile screenshot 1
     
    |
    4
    Seafile vs ownCloud Comments
    brianlacy
    Negative
    -1

    OwnCloud is groupware. Seafile is a file-sync storage solution. Just because they have overlapping functionality, does NOT make them interchangeable.

    Guest
    Negative
    -1

    OwnCloud is groupware. Seafile is a file-sync storage solution. Just because they have overlapping functionality, does NOT make them interchangeable.

    Review by a new / low-activity user.
    Guest
    Positive
    0

    It is similar to ownCloud in that it's self-hosted. Does not have apps such as Calendar, and is not compatible with the Federated Cloud sharing (ownCloud+Nextcloud+Pydio)

    Review by a new / low-activity user.
    3 of 4 comments
    • Seafile is Freemium and Open SourceownCloud is also Freemium and Open Source
    • Seafile is Privacy focusedownCloud is not according to our users
  8. YunoHost icon

    YunoHost

     147 likes

    YunoHost is a Debian GNU/Linux based distribution packaged with free software that automates the installation of a personal web server. The purpose of YunoHost is to allow users to easily host their own web services by enabling a simple point-and-click web interface for...

    39 YunoHost alternatives

    Cost / License

    Application types

    Platforms

    • Linux
    • Self-Hosted
    • Debian
    YunoHost screenshot 1
     
  9. Tuta Drive icon

    Tuta Drive

     29 likes

    End-to-end encrypted cloud storage with quantum-resistant cryptography protects files from all third-party access, including service providers, ensuring strict confidentiality for individuals and businesses, seamless web and mobile access, and compliance with EU data laws.

    60 Tuta Drive alternatives

    Cost / License

    Application types

    Platforms

    • Online
    Tuta Drive screenshot 1
     
  10. kDrive icon

    kDrive

     76 likes

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

    56 kDrive alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    kDrive screenshot 1
     
  11. Cozy Cloud icon

    Cozy Cloud

     135 likes

    Cozy makes the personal cloud more accessible. Respectful of the user's privacy, Cozy simplifies daily tasks: synchronize and backup photos, automate bills downloading, manage expenses, etc. Flexible and easy to use, their Open Source platform allows users to create and...

    87 Cozy Cloud alternatives

    Cost / License

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Self-Hosted
    • Go (Programming Language)
    Automate the synchronisation of your files on your PC with your Cozy.
     
    |
    2
    Discontinued

    Cozy Cloud has now joined Twake icon Twake.

    Cozy Cloud vs ownCloud Comments
    Guest
    Positive
    1

    with cozy you can sync more than just files. like contacts and calendars which is more important to me than file sharing.

    Review by a new / low-activity user.
    brianlacy
    Positive
    0

    Although tailored for families, it offers many of the same features as a typical groupware solution like OwnCloud -- calendaring, group messaging, sharing of files & content, etc.

    • Cozy Cloud is Freemium and Open SourceownCloud is also Freemium and Open Source
    • Cozy Cloud is Privacy focusedownCloud is not according to our users
  12. IPFS icon

    IPFS

     177 likes

    IPFS is a global, versioned, peer-to-peer filesystem. It combines ideas from Git, BitTorrent, Kademlia, SFS, and the web. It is like a single bittorrent swarm, exchanging git objects. IPFS provides an interface as simple as the HTTP web, but with permanence built in.

    70 IPFS alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Firefox
    IPFS screenshot 1
     
    |
    1
    IPFS vs ownCloud Comments
    Guest
    Negative
    -2

    OwnCloud is groupware. IPFS is a file-sync storage solution. Just because they have overlapping functionality, does NOT make them interchangeable.

    Review by a new / low-activity user.
    • IPFS is Free and Open SourceownCloud is Freemium and Open Source
    • IPFS is DecentralizedownCloud is not according to our users
  13. Pydio icon

    Pydio

     131 likes

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

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • Self-Hosted
    Secure login
     
    |
    1
    Pydio vs ownCloud Comments
    Guest
    Negative
    -2

    OwnCloud is groupware. Pydio is a file-sync storage solution. Just because they have overlapping functionality, does NOT make them interchangeable.

    Review by a new / low-activity user.
    • Pydio is Freemium and Open SourceownCloud is also Freemium and Open Source
  14. Sync-in icon

    Sync-in

     21 likes

    Sync-in is a secure, open-source platform for file storage, synchronization, and team collaboration — designed to give organizations full control over their data and workflows, while remaining flexible enough for individual needs.

    72 Sync-in alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Cloudron
    • Docker
    • Docker Hub
    • npm
    • YunoHost
    Sync-in screenshot 1
     
  15. Hoodik icon

    Hoodik

     29 likes

    Lightweight, self-hosted encrypted cloud storage enabling fast uploads and downloads, easy Docker install, secure public link sharing, browser-side cryptography, searchable metadata, and low RAM footprint. Designed for privacy, performance, and file management.

    123 Hoodik alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Android
    • iPhone
    • Self-Hosted
    • Docker
    Hoodik screenshot 1
     
12 of 82 ownCloud alternatives