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

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

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Microsoft OneDrive alternatives are mainly Cloud Storage Services, but if you're looking for File Sync Tools or Online Backup Tools you can filter on that. Other popular filters include EU, Linux, Open Source, Self-Hosted, Self-Hosted + Open Source and Mac. 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 Microsoft OneDrive.
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Alternatives list

  1. Nextcloud icon

    Nextcloud

     1173 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.

    154 Nextcloud alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Snapcraft
    • F-Droid
    • Raspberry Pi
    • Cloudron
    • Docker Hub
    • HUAWEI AppGallery
    • Flathub
    Simple and powerful file sync & share
     
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    17
    139
    Comments about Nextcloud as an Alternative to Microsoft OneDrive
    Top Positive Comment
    Mike Ur
    2

    self hosting adds a level of trust

    Top Negative Comment
    Nuncio Bitis
    0

    You have to know how to set up your own server. You don't have to do that with OneDrive.

    docryan
    Positive
    0

    I do not depend on Cloud. I make my own and have total control.

    Review by a new / low-activity user.
    3 of 17 comments
    Nextcloud icon
    Nextcloud icon

    • Almost everyone thinks Nextcloud is a great Microsoft OneDrive alternative.

    • Nextcloud is Free and Open SourceMicrosoft OneDrive is Freemium and Proprietary
    • Nextcloud is Privacy focused, Security-focused and CustomizableMicrosoft OneDrive is not according to our users
  2. Syncthing icon

    Syncthing

     868 likes

    Open-source, peer-to-peer service offering encrypted file synchronization, ensuring data privacy and user-autonomy without relying on cloud storage or central servers, suitable for various uses.

    132 Syncthing alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Cloudron
    • Termux
    • Terminal
    Syncthing screenshot 1
     
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    2
    16
    Comments about Syncthing as an Alternative to Microsoft OneDrive
    Nuncio Bitis
    Negative
    0

    Not a cloud service. It also doesn't support syncing with mobile devices.

    needleinajaystack
    Positive
    1

    Decentralized self-hosting with good apps for every device

    Syncthing icon
    Syncthing icon

    • Most users think Syncthing is a great Microsoft OneDrive alternative.

    • Syncthing is Free and Open SourceMicrosoft OneDrive is Freemium and Proprietary
    • Syncthing is Lightweight and Privacy focusedMicrosoft OneDrive is not according to our users
  4. Proton Drive icon

    Proton Drive

     145 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.

    66 Proton Drive alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Tor
    Proton Drive screenshot 1
     
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    6
  5. Ad
    Screenshot
    Filen icon
    Filen

    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 unc...

    https://filen.io
    Learn More
  6. Filen icon

    Filen

     126 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.

    64 Filen alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Filen screenshot 1
     
    |
    1
    Comments about Filen as an Alternative to Microsoft OneDrive
    danielmichel
    Positive
    0

    Allows you to synchronize specific folders, has a better phone app, grants slightly more storage for the same price, actually cares about privacy.

    Filen icon
    Filen icon
    • Filen is Freemium and Open SourceMicrosoft OneDrive is Freemium and Proprietary
    • Filen is Privacy focused and LightweightMicrosoft OneDrive is not according to our users
  7. ownCloud icon

    ownCloud

     864 likes

    Self-hosted option for secure file sync, sharing, calendars, contacts, and mail supporting mobile, desktop, web access and external storage, real-time collaboration, password-protected links, document editing, anti-virus scanning, and LDAP integration.

    220 ownCloud alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Blackberry
    • Android Tablet
    • iPad
    • Self-Hosted
    • Software as a Service (SaaS)
    • Raspberry Pi
    • Cloudron
    ownCloud screenshot 1
     
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    3
    28
    Comments about ownCloud as an Alternative to Microsoft OneDrive
    Nuncio Bitis
    Negative
    0

    OwnCloud is just NextCloud with a different name. You need to know how to set up your own server, which is not centralized.

    Guest
    Positive
    1

    With Nextcloud you control your own data, you are limited by your own hardware and don't have to trust Microsoft with your data.

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

    Onwcloud is a file sharing server.

    Review by a new / low-activity user.
    ownCloud icon
    ownCloud icon

    • Most users think ownCloud is a great Microsoft OneDrive alternative.

    • ownCloud is Freemium and Open SourceMicrosoft OneDrive is Freemium and Proprietary
  8. Koofr icon

    Koofr

     138 likes

    Koofr is a safe, secure and simple way to store, backup and share your documents, photos, videos and more. It offers up to 10 GB of free safe storage for your files with affordable upgrades and options to connect multiple cloud accounts.

    192 Koofr alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • Windows Phone
    • iPad
    • Linux Mobile
    • Google Chrome
    • Rust
    • F-Droid
    • Software as a Service (SaaS)
    • Docker
    • Chromium
    • Mozilla Firefox
    Koofr web app
     
  10. Seafile icon

    Seafile

     192 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.

    125 Seafile alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Software as a Service (SaaS)
    Seafile screenshot 1
     
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    1
    Comments about Seafile as an Alternative to Microsoft OneDrive
    Nathaniel Blackburn
    Negative
    0

    Not available for personal use so not a 1:1 alternative.

    Seafile icon
    Seafile icon
    • Seafile is Freemium and Open SourceMicrosoft OneDrive is Freemium and Proprietary
    • Seafile is Privacy focusedMicrosoft OneDrive is not according to our users
  11. IPFS icon

    IPFS

     175 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.

    69 IPFS alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Firefox
    IPFS screenshot 1
     
  12. Hoodik icon

    Hoodik

     23 likes

    Hoodik is a lightweight, secure, and self-hosted cloud storage solution. It's designed and built with Rust and Vue, focusing on end-to-end encryption that shields your data from prying eyes and hackers.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Docker
    Hoodik screenshot 1
     
  13. kDrive icon

    kDrive

     64 likes

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

    41 kDrive alternatives

    Cost / License

    Application type

    Platforms

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

    Cozy Cloud

     136 likes

    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.

    80 Cozy Cloud alternatives

    Cost / License

    Application type

    Platforms

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

    Pydio

     130 likes

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

    75 Pydio alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • Self-Hosted
    Secure login
     
12 of 50 Microsoft OneDrive alternatives