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Tresorit alternatives · File Storage

Open-source alternatives to Tresorit

Tresorit is not described as open source on its own site. 5 of the 16 other file storage and sync services in this directory are open source, according to their own sites.

Tresorit has a free plan. Paid plans start at $4.75 per month, billed yearly. All of them are free or have a free plan.

5 tools · Listings checked up to Oct 5, 2026 · Where the facts come from

How each one differs from Tresorit

  1. Proton Drive

    End-to-end encrypted cloud storage from the maker of Proton Mail

    • Proton Drive starts at $3.99 per month, billed yearly. Tresorit starts at $4.75 per month, billed yearly.
    • Only Tresorit lists a Linux app.
    • Proton Drive is open source, according to its own site.
    • Proton Drive also covers documents and spreadsheets.
    Proton Drive vs TresoritProton Drive pricing and details

  2. Filen

    End-to-end encrypted cloud storage from Germany with open source apps

    • Filen starts at €11.99 per year for 100 GiB, or €1.99 per month for 200 GiB. Tresorit starts at $4.75 per month, billed yearly.
    • Filen is open source, according to its own site.
    • Filen also covers notes.
    Filen vs TresoritFilen pricing and details

  3. Nextcloud

    Open source, self-hosted file sync and collaboration platform

    • Nextcloud starts at 71.29€ per user / year, excl. VAT (from 100 users). Tresorit starts at $4.75 per month, billed yearly.
    • Nextcloud is open source and self-hostable, according to its own site.
    • Tresorit is end-to-end encrypted, according to its own site.
    • Nextcloud also covers video calls.
    Nextcloud pricing and details

  4. Internxt

    Open source, zero-knowledge cloud storage with lifetime plans

    • Internxt starts at $11.99 per month, billed annually (list price). Tresorit starts at $4.75 per month, billed yearly.
    • Internxt is open source, according to its own site.
    • Internxt can be bought with a one-time purchase.
    • Tresorit also covers file sync.
    Internxt pricing and details

  5. Syncthing

    Free, open source file sync directly between your own devices

    • Syncthing is free. Tresorit starts at $4.75 per month, billed yearly.
    • Only Tresorit lists a web app.
    • Only Tresorit lists iOS and Android apps.
    • Syncthing is open source, according to its own site.
    Syncthing pricing and details

Common questions

Is there an open-source alternative to Tresorit?

Yes. Proton Drive, Filen, Nextcloud, Internxt and Syncthing are open source, according to their own sites.

Is Tresorit open source?

Tresorit is not described as open source on its own site. The listing was checked on Oct 5, 2026 against the pages it cites.

When was this checked?

Every listing on this page was checked on Oct 5, 2026, against the pages it cites. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Tresorit: the alternatives its listing names first, then the tools that share the most features with it.