Proton Drive
Proton AGEncrypted-at-rest cloud storage from the Proton stack, with sharing that treats the recipient as a first-class concern.
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Encrypted messaging, mail, and cloud storage that treat metadata as part of the threat model.
Proton Mail
Proton AGSwiss encrypted email that behaves like normal email until the other side is also on Proton.
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OPTFAn onion-routed messenger that never asks for your phone number or your email.
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Signal FoundationThe end-to-end encrypted messenger that everything else quietly copies.
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Tuta GmbHGerman encrypted email that hides the subject line as well as the body.
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