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FlowCrypt

FlowCrypt (formerly CryptUp) is the easiest PGP encryption for Gmail. It behaves just like standard email, except it's encrypted.

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Top 3 Open-Source Alternatives to FlowCrypt

FlowCrypt
Tutanota Mailpile OpenKeychain

Product categories

Email Email Clients Enterprise Communication Cloud Storage Email Management Encryption Hosted Email Security & Privacy

Summary

The top open-source alternatives to FlowCrypt are Tutanota, Mailpile, and OpenKeychain. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.
  1. Tutanota Landing Page
    Tutanota Landing Page
    1

    Tutanota

    Get your encrypted mailbox for free.
    Pricing:
    • Open Source

    #Email #Enterprise Communication #Email Clients 182 social mentions

  2. Mailpile Landing Page
    Mailpile Landing Page
    2

    Mailpile

    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
    Pricing:
    • Open Source

    #Email #Enterprise Communication #Email Clients

  3. OpenKeychain Landing Page
    OpenKeychain Landing Page
    3

    OpenKeychain

    OpenKeychain helps you communicate more privately and securely.
    Pricing:
    • Open Source

    #Email #Cloud Storage #Security & Privacy

If you think we've missed something, please suggest an alternative to FlowCrypt.
Please use the Feedback button if you think any of the listed products shouldn't be regarded as open-source.

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