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Syncthing alternatives · File Storage

End-to-end encrypted alternatives to Syncthing

The Syncthing listing does not describe it as end-to-end encrypted. 11 of the 45 other file storage and sync services in this directory are end-to-end encrypted, according to their own sites.

Syncthing is free to use. 10 of them are free or have a free plan.

11 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

How each one differs from Syncthing

  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. Syncthing is free.
    • Only Proton Drive lists a web app.
    • Only Proton Drive lists iOS and Android apps.
    • Only Syncthing lists a Linux app.
    Proton Drive vs SyncthingProton 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. Syncthing is free.
    • Only Filen lists a web app.
    • Only Filen lists iOS and Android apps.
    • Filen is end-to-end encrypted, according to its own site.
    Filen vs SyncthingFilen pricing and details

  3. MEGA

    Zero-knowledge encrypted cloud storage with a 20 GB free plan

    • MEGA starts at €3.33 per month, charged yearly. Syncthing is free.
    • Only MEGA lists a web app.
    • Only MEGA lists iOS and Android apps.
    • Only MEGA lists a browser extension.
    MEGA pricing and details

  4. Sync.com

    End-to-end encrypted cloud storage and file sharing for teams

    • Sync.com starts at $6 per user / month, billed annually (3-user minimum). Syncthing is free.
    • Only Sync.com lists a web app.
    • Only Sync.com lists iOS and Android apps.
    • Only Syncthing lists a Linux app.
    Sync.com pricing and details

  5. Tresorit

    End-to-end encrypted file storage and sharing for businesses

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

  6. Internxt

    Open source, zero-knowledge cloud storage with lifetime plans

    • Internxt starts at $11.99 per month, billed annually (list price). Syncthing is free.
    • Only Internxt lists a web app.
    • Only Internxt lists iOS and Android apps.
    • Internxt is end-to-end encrypted, according to its own site.
    Internxt pricing and details

  7. Icedrive

    Cloud storage with a mountable drive and client-side encryption

    • Icedrive starts at $2.99 per month, billed yearly at $35.88, for Starter. Syncthing is free.
    • Only Icedrive lists a web app.
    • Only Icedrive lists iOS and Android apps.
    • Icedrive is end-to-end encrypted, according to its own site.
    Icedrive pricing and details

  8. Nordlocker

    End-to-end encrypted cloud storage from the makers of NordVPN

    • Nordlocker starts at $29.99 per month, billed annually (Business, 2 TB). Syncthing is free.
    • Only Nordlocker lists a web app.
    • Only Nordlocker lists iOS and Android apps.
    • Only Syncthing lists macOS and Linux apps.
    Nordlocker pricing and details

  9. Synology C2

    Synology's cloud storage and backup for NAS and S3 workloads

    • Synology C2 starts at $7.99 per TB / month (C2 Object Storage). Syncthing is free.
    • Syncthing has a free plan. Synology C2 does not, though it has a free trial.
    • Only Synology C2 lists a web app.
    • Synology C2 is end-to-end encrypted, according to its own site.
    Synology C2 pricing and details

  10. Degoo

    Consumer cloud storage for photos with a free 20 GB plan

    • Degoo starts at $2.99 per month (Pro, 500 GB). Syncthing is free.
    • Only Degoo lists a web app.
    • Only Degoo lists iOS and Android apps.
    • Only Syncthing lists macOS, Windows and Linux apps.
    Degoo pricing and details

  11. Filemail

    Large file transfer by email or link, free up to 5 GB

    • Filemail starts at $6 per month, billed monthly. Syncthing is free.
    • Only Filemail lists a web app.
    • Only Filemail lists iOS and Android apps.
    • Filemail is end-to-end encrypted, according to its own site.
    Filemail pricing and details

Common questions

Is there an end-to-end encrypted alternative to Syncthing?

Yes. Proton Drive, Filen, MEGA, Sync.com, Tresorit, Internxt, Icedrive, Nordlocker and 3 more are end-to-end encrypted, according to their own sites.

Is Syncthing end-to-end encrypted?

The Syncthing listing does not describe it as end-to-end encrypted. The listing was checked on Oct 5, 2026 against the pages it cites.

Which of these file storage and sync services are free?

Proton Drive, Filen, MEGA, Sync.com, Tresorit, Internxt, Icedrive, Nordlocker and 2 more are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 12, 2026. 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 Syncthing: the alternatives its listing names first, then the tools that share the most features with it.