Alternatives to OneTime for all platforms with any license

Platforms

Show 15 less popular platforms
  • TrueCrypt icon

    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...

    Open Source Mac Windows Linux

    • 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 icon

    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...

    Open Source Mac Linux PortableApps.com Xfce

  • Enigmail icon

    Enigmail

    Enigmail is a security extension to Mozilla Thunderbird and SeaMonkey. It enables you to write and receive email messages signed and/or encrypted with the...

    Open Source Mac Windows Linux Thunderbird SeaMonkey

    No features added Add a feature
  • GPG4Win 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...

    Open Source Windows

    No features added Add a feature
  • AES Crypt 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...

    Open Source Mac Windows Linux Android iPhone ... Android Tablet iPad

    No features added Add a feature
  • LibreCrypt 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 ...

    Open Source Windows

    No features added Add a feature
  • APG 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....

    Open Source Android Android Tablet

    No features added Add a feature
  • Encrypto 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 Windows

    No features added Add a feature
  • FreeOTFE 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...

    Open Source Windows Windows Mobile

    No features added Add a feature
    • Discontinued Discontinued per Wikipedia page (https://en.wikipedia.org/wiki/FreeOTFE)
  • DCrypt icon

    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...

    Open Source Linux

    No features added Add a feature
  • GPG Suite 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 clicks. GPG Keychain is an open source...

    Open Source Mac

    No features added Add a feature
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  • Drag'n'Crypt ULTRA 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

    No features added Add a feature
  • Steadycrypt icon

    Steadycrypt

    This is a Java-based application that allows the user to important files that are on that operating system to encrypt easy and secure and organize. Tested on WinXP...

    Open Source Mac Windows

    No features added Add a feature
  • Challenger icon

    Challenger

    Challenger is a software for the encoding of files, folders and drives. For the installation and for the execution simple user rights suffice. Thereby the program is...

    Free Personal Windows

    No features added Add a feature

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