Filen

Open-source, zero-knowledge storage hosted in Germany.

filen.io

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FreemiumOpen SourceE2E EncryptedAccepts CryptoWindowsmacOSLinuxAndroidiOSWebGermany

Pricing 10 GB free; paid plans from $1.99/month (200 GB), with cheap lifetime options. Crypto accepted for lifetime plans.

Filen pairs open-source clients with zero-knowledge encryption. Files are encrypted on your device before they upload. The desktop, mobile, and CLI apps are open source. There is a 10 GB free tier with cheap lifetime plans. The backend server code is not open. Crypto payment only works for lifetime purchases. If you want an auditable client with files encrypted before they leave your machine, it is a strong pick.

Strengths

  • Zero-knowledge encryption, with files encrypted before upload
  • Open-source clients across desktop, mobile and CLI
  • 10 GB free tier, with cheap lifetime plans

Considerations

  • Server backend is not open source
  • Crypto accepted only for lifetime plans

Listed in Cloud Storage

Filen alternatives

Proton DriveEncrypted Swiss cloud storage from the Proton ecosystem.NextcloudOpen-source files you host on your own server.TresoritBusiness-grade end-to-end encrypted storage.InternxtOpen-source, zero-knowledge cloud storage from Spain.