oPenGP Alternatives

    oPenGP is described as 'solution to support OpenPGP standard (RFC 4880) on your iOS device' and is an app in the Security & Privacy category. There are more than 25 alternatives to oPenGP for a variety of platforms, including Windows, Mac, Linux, Android and OpenPGP. The best alternative is GnuPG, which is both free and Open Source. Other great apps like oPenGP are GPG4Win (Free, Open Source), AES Crypt (Free, Open Source), Encrypto (Free) and Axcrypt (Freemium).

    This page was last updated Jan 30, 2021

      • FreeOpen Source
      • Mac
      • Linux
      • PortableApps.com
      • Xfce
      • OpenPGP
      GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.
      • FreeOpen Source
      • Windows
      • Microsoft Office Outlook
      • S/MIME
      • GnuPG
      Gpg4win enables users to securely transport emails and files with the help of encryption and digital signatures. Encryption protects the contents against an unwanted party reading it. Digital signatures make sure that it was not modified and comes from a specific sender.


    1. AES Crypt is an advanced file encryption utility that integrates with the Windows shell or runs from the Linux command prompt to provide a simple, yet powerful, tool for encrypting files using the Advanced Encryption Standard (AES).
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    2. Encrypto lets you encrypt files before sending them to friends or coworkers. Just drop a file into Encrypto, set a password, and then send it however you normally would — but this time with added security. It’s free for both Mac and Windows.
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    3. AxCrypt is a simple file encryption software for Windows. It integrates seamlessly with your workflow to encrypt, decrypt, store, send and work with files.
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      • FreeOpen Source
      • Windows
      • Linux
      • GnuPG
      Kleopatra is a certificate manager and a universal crypto GUI.
    4. GPG for Mail is an open source plugin for Apple Mail. Encrypt, decrypt, sign and verify mails using OpenPGP with a few simple clicks. GPG Keychain
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      • FreeOpen Source
      • Android
      • Android Tablet
      • OpenPGP
      Android Privacy Guard (APG) is a free and open source application for Android devices, created by Thialfihar, that lets you encrypt and decrypt single files or emails. Its goal is to provide a similar...

      Discontinued

      This project was discontinued in favor of OpenKeychain on September 10th, 2017.

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      • FreeOpen Source
      • Windows
      • Windows Mobile
      FreeOTFE is a free, open source, "on-the-fly" (OTFE) disk encryption program for PCs running MS Windows and Windows Mobile PDAs (FreeOTFE4PDA).

      Discontinued

      Discontinued per Wikipedia page (https://en.wikipedia.org/wiki/FreeOTFE)

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    Showing 10 of 30 alternatives