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The open source cloud with LibreOffice online - LibreOffice online + Seafile + KDE. Improve your productivity and communicate better with your team members. The world is...

  • Android
  • Self-Hosted

What is Open365?

Open365 is an Open Source, self-hosted file sync and cloud apps platform including a full LibreOffice Online. You can also access your email, calendar and contacts using KDE Kontact. Everything is accessible from a simple webpage using any HTML5 browser.

We believe that OpenSource communities all around the world, like LibreOffice, Mozilla, KDE and many others, have state of the art desktop software that can compete face-to-face with closed source, online, cloud applications if given the opportunity.

All good desktop Open Source software shouldn’t be limited to your personal computer. We want to allow anyone to create and provide online web services using LibreOffice, Kontact, Thunderbird, or any other opensource desktop program.

We started some months ago open-sourcing our spice web client that allows any GNU/Linux or Windows application to be remotely displayed and controlled from an HTML5 browser with very good performance, low latency and limited throughput. By open-sourcing the entire Open365 platform we want to encourage users to create their own clouds. Clouds that could be personal or for organizations, but clouds under your control, with clear rules and respecting user privacy.

Open365 provides a complete platform ready to be used, out of the box for sharing and collaboration, but at the same time it provides an Open Platform to be modified and hacked. You can include your preferred Open Source applications and integrate them with the file sync, sharing and collaboration features and make them accessible from a unified and integrated platform.

You can start using Open365 from our free online service or download it and deploy it to your own server.

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The project seems to be no longer developed. Last commit on the GitHub repo was made on June 27th, 2016, but it can be still downloaded and installed.

Open365 Screenshots

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Open365 Features

  1.  Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.

    Open365 information

    • Developed byeyeOS
    • LicensingOpen Source and Free product.
    • Alternatives34 alternatives listed

    Supported Languages

    • English

    Our users have written 1 comments and reviews about Open365, and it has gotten 28 likes

    Open365 was added to AlternativeTo by gyurmogyuri on and this page was last updated .

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    Comment ago
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    The website says :

    The beta is closed.

    Thanks for participating in the Demo!

    If you want to setup your own server check out: Open365

    Even though I had a beta account, the desktop app doesn't sync any more. So I guess the hosted app may have been closed.

    As for the self-hosted app that's available on GitHub, the latest commit dates from 27 Jun 2016.

    On Twitter, open365's last tweet dates from 19 Jul 2016, Open365 support's last tweet dates from 31 Aug 2016. I also found a couple of unsourced tweets that talk about the service's discontinuation :,

    I'd still like to find an official announcement about the discontinuation before editing AlternativeTo. (And I'd also like to know why it happened, the service looked promising.)

    1 reply

    One of the developers replied in a GitHub issue with the reason:

    This project has been discontinued because Telefónica (spanish Telco) decided to stop supporting it's development.

    Open365 was developed by a Spanish company, acquired by Telefónica, later business reasons led to cut the funds for the project.

    Reply written ago

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    Said about Open365 as an alternative


    Similar features especially an office suite.

    Positive comment ago
    as an alternative to  


    • Office Suite
    • Email Client
    • libreoffice
    • office365

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