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    Open Source ownCloud Alternatives

    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 Seafile (Freemium, Open Source), IPFS (Free, Open Source), Cozy (Freemium, Open Source) and Pydio (Freemium, Open Source).

    This page was last updated Dec 10, 2021

    1. Syncs files to/from any local enterprise file server. Not cloud-based: CmisSync works on Enterprise Content Management (ECM) systems on local area networks (LAN) without Internet.
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    2. Pulse, officially-sanctioned fork of Syncthing , is a free, secure, and distributed file synchronisation engine. Synchronise your files without also sharing them with a stranger in the cloud. Private & secure

      Discontinued

      As announced at https://ind.ie/blog/focus/ , Pulse will no longer be supported, but you can still download it from the official website and use it.

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    3. A full-featured home-hosted Cloud Drive & Personal Assistant. Convert files, create archives, scan for viruses, perform OCR on images or documents, stream media, edit images and more! Compatible with HRC2 Apps!.
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    4. CopyFS aims to solve a common problem: given a directory, especially one full of configuration files... how to be sure that a person modifying the files will do a backup of the working version first?.

      Discontinued

      Unmaintained per notice at website: http://boklm.eu/copyfs/

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      • FreeOpen Source
      • Online
      • Android
      • iPhone
      • Self-Hosted
      Run your services at your premises.
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    5. DAViCal is a server for calendar sharing. It is an implementation of the CalDAV protocol which is designed for storing calendaring resources on a remote shared server.
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      • FreeOpen Source
      • Linux
      • Self-Hosted
      Be the Captain of your data. CloudFleet is a device that enables you to communicate securely via email, manages your files, calendar and contacts. Easy to use, keeps your personal data safe and secure and will grow into a smart personal assistant.
    6. Document management system in your server, customizable to your needs. Access your documents with full featured web UI or mount published folders into desktop via WebDAV.
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    7. Internxt Drive offers a fully secure cloud storage experience. Files uploaded to Internxt Drive are client-side encrypted, and only the user holds the decryption key of these. Additionally, prior to being uploaded, files are fragmented. Servers only host encrypted shards.
      • FreeOpen Source
      • Mac
      • Windows
      • Online
      • Windows Mobile
      • Android
      • iPhone
      • Java Mobile
      • Symbian S60
      • Blackberry
      Funambol is the easiest way to keep your phone contacts and pictures in sync with your other mobile phones, tablets, and computers.
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    Showing 40 of 59 alternatives