oPenGP Alternatives

Apps similar to oPenGP include GnuPG, which is free and open source. Other options are GPG4Win, Kleopatra, Axcrypt and AES Crypt. There's no shortage of File Encryption Software like oPenGP, with more than 25 alternatives for Windows, Mac, Linux, Android and iPhone.

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oPenGP alternatives page was last updated Sep 16, 2026

PGPony
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Private OpenPGP. Hardware security keys, password-store, no tracking. Open source.
Cost / License
Free
Open Source (Apache-2.0)
Application type
File Encryption Software
Origin
United States
Platforms
Mac
Windows
Linux
Android
iPhone
F-Droid
United States
+2
Good alternative?Is PGPony a good alternative to oPenGP?
Ciphermail for Android
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CipherMail for Android is an Android application which can be used with your existing Android mail application to send and receive S/MIME digitally signed and encrypted email with an Android smartphone.
Cost / License
Free
Proprietary
Platforms
Android
S/MIME
Good alternative?Is this a good alternative to oPenGP?

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