Alternatives to OneTime for all platforms with any license

  • TrueCrypt

    [TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.] TrueCrypt is a disk encryption software for...

    Free Open Source Mac Windows Linux

    TrueCrypt icon
    • Discontinued Currently unmaintained. Last version, TrueCrypt 7.1a, is still available for download and development has continued via the forks https://alternativeto.net/software/veracrypt/ and https://alternativeto.net/software/ciphershed/. "The development of TrueCrypt was ended in 5/2014 after Microsoft terminated support of Windows XP. Windows 8/7/Vista and later offer integrated support for encrypted disks and virtual disk images."
  • GnuPG

    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...

    Free Open Source Mac Linux PortableApps.com Xfce OpenPGP

    GnuPG icon
  • GPG4Win

    Gpg4win is an installer package for Windows (2000/XP/2003/Vista) with computer programs and handbooks for email and file encryption. Both relevant cryptography standards...

    Free Open Source Windows S/MIME GnuPG

    No features added Add a feature

    GPG4Win icon
  • AES Crypt

    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...

    Free Open Source Mac OS X Windows Linux Android iPhone ... Android Tablet iPad

    AES Crypt icon
  • GPG Suite

    GPG for Mail is an open source plugin for Apple Mail. Encrypt, decrypt, sign and verify mails using OpenPGP with a few simple...

    Free Open Source Mac OS X GnuPG

    No features added Add a feature

    GPG Suite icon
  • LibreCrypt

    LibreCrypt (formerly DoxBox) is an open-source disk encryption for Windows and the successor of FreeOTFE Change of name to 'LibreCrypt' in version 6.2 ...

    Free Open Source Windows

    No features added Add a feature

    LibreCrypt icon
  • Encrypto

    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...

    Free Mac OS X Windows

    Encrypto icon
  • APG

    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.

    Free Open Source Android Android Tablet OpenPGP

    No features added Add a feature

    APG icon
  • FreeOTFE

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

    Free Open Source Windows Windows Mobile

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

    DCrypt is an encryption and decryption tool that combines in a smart way multiple algorithms. The combination of multiple strong algorithms makes it much more difficult...

    Free Open Source Linux

    No features added Add a feature

    DCrypt icon
  • Drag'n'Crypt ULTRA

    Drag'n'Crypt ULTRA is a small, coding program assistance whose you confidential data which can be served very simply against the access of unauthorized ones...

    Free Windows

    Drag'n'Crypt ULTRA icon
  • GostCrypt

    The Gostcrypt project has been launched at the end of 2013 as fork of the (late) Truecrypt project. It intends to go farther than ever. Since the late 70s, most of...

    Free Open Source Mac OS X Windows Linux

    No features added Add a feature

    GostCrypt icon

Platforms

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