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Cryptomator

Skymatic · DE · since 2016-03

Client-side encryption for any cloud — Dropbox, Google Drive, OneDrive, S3, anything. Files become encrypted vaults the cloud can't read. Free desktop, ~$15 one-time mobile. The bring-your-own-cloud answer to Tresorit.

Open sourceAuditedSelf-hostableE2EEGPL-3.0Freemium

Pros

  • + Cheaper than encrypted-cloud subscriptions
  • + Free on desktop
  • + Cross-platform vaults

Cons

  • You manage the cloud relationship
  • Mobile app is paid
  • No collaborative editing

Highlights

  • Encrypts on-device, cloud sees only blobs
  • Works with any cloud
  • Audited, reproducible builds

Specs at a glance

License
GPL-3.0
Open source
Yes
E2EE
Yes
Audited
Yes
Self-host
Yes
HQ
DE
Pricing
freemium
Platforms
5 platforms