Alternatives

Products that do what GPG-Mailer – send GPG-encrypted emails from your PHP application does

1. 1GC
   gpgsend.com - encrypted emails from your browser.▲26

   2011 · gpgsend.com

2. 2GE
   GPG emails for everyone, from everywhere – open sourced▲84

   2014 · kinko.me

3. 3MP
   Manage passwords with GPG▲93

   2015 · github.com

4. 4
   Inky 3▲160

   Send encrypted emails using your current email provider

   2016

5. 5EE
   Easy Email Encryption inside Gmail (Alpha, Open-Source)▲170

   2013 · streak.com

6. 6LS
   Lescript – Simple PHP client library for Let's encrypt▲96

   2015 · github.com

7. 7ES
   Easily send encrypted email from your existing email▲22

   2014 · virtru.com

8. 8
   SendgoMail▲88

   Email sending made easy & affordable for free

   2021

9. 9ES
   email - Send emails easily in Go▲69

   2014 · github.com

10. 10EI
    EmailPK – Instant encrypted email▲53

    2014 · diafygi.github.io

11. 11SE
    Send encrypted secrets from the command line▲117

    2019 · fluidkeys.com

12. 12
    BounceBan GPT▲179

    A custom ChatGPT for unlimited free email verifications

    2023

13. 13
    Hop Encrypted Email▲132

    Completely private chat email, w/ encrypted email messaging

    2017

14. 14GO
    GPG on macOS and YubiKey▲150

    2019 · github.com

15. 15SH
    Securely Handle Encryption Keys in Go▲119

    2017 · github.com

16. 16
    Jumble▲88

    E-mail encryption plugin for Chrome

    2014

17. 17
    ProtonMail▲199

    End-to-end encrypted email - now on iOS & Android

    2016

18. 18
    ProtonMail▲144

    Encrypted email, made simple. Now open to everybody.

    2015

19. 19VG
    Vanity GPG Keys (and help fund GnuPG!)▲21

    2015 · vanitykeys.io

20. 20
    Misakey 1.0▲112

    Send encrypted documents & messages to anyone

    2020

21. 21
    helper.email▲88

    Get GPT to write your emails

    2023

22. 22TF
    Transcrypt – Fast, small Python 3.5 to JavaScript transpiler▲121

    2016 · transcrypt.org

23. 23PA
    Passbox – Another password manager using Bash and GPG▲41

    2015 · github.com

24. 24
    Finch▲79

    Encrypted file sharing and messaging for geeks

    2017

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