Koofr is a Slovenian cloud service hosted in ISO 27001-certified German data centres, with no trackers, cookies or ads. It can connect to your existing Dropbox, Google Drive and OneDrive accounts for unified search, and its open-source Koofr Vault adds client-side encryption.
As the cheapest serious cloud in this list, with storage up to 20 TB, its ability to bridge your existing US clouds makes it one of the smartest migration-friendly European alternatives to Dropbox and Google Drive.
