Proton Mail AlternativesOnly apps categorised as File Encryption Software

The best File Encryption Software alternative to Proton Mail is Onion Mail, which is free. If that doesn't work for you, our users have ranked more than 100 alternatives to Proton Mail, but unfortunately only one of them is a File Encryption Software.

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Proton Mail alternatives are mainly Email Clients, but if you're looking for File Encryption Software or Mail Servers you can filter on that. Other popular filters include Free, Open Source and Self-Hosted. These are just examples - use the filter bar below to find more specific alternatives to Proton Mail.
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Alternatives list

  1. Onion Mail icon

    Onion Mail

     6 likes

    Free anonymous email platform offering automatic PGP encryption, dedicated Tor .onion address, strict no-logs policy, no personal data or phone required, and anonymous payments through Monero, Bitcoin, Ethereum, or credit card. Compatible with Tor and web browsers.

    33 Onion Mail alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Online
    Onion Mail screenshot 1
     
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