Alternatives to Challenger for all platforms with any license

  • TrueCrypt icon

    TrueCrypt Discontinued

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

    Open Source Mac Windows Linux

  • 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...

    Open Source Mac Linux Xfce

  • Axcrypt icon

    Axcrypt

    AxCrypt is a simple file encryption software for Windows. It integrates seamlessly with your workflow to encrypt, decrypt, store, send...

    Freemium Windows

  • 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...

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

  • Easy File Locker icon

    Easy File Locker

    Easy File Locker is a pretty small file at 224KB and will do exactly what it says. It will let you protect a file or folder from being...

    Free Windows

  • Windows BitLocker icon

    Windows BitLocker

    No encryption of dynamic disks, but command-line-encryption! Dynamic disks must be converted to basic disks with EasyUS Partition...

    Commercial Windows

  • Podio icon

    Podio

    Podio is an online work platform. Combining hundreds of specialized and flexible work apps with messaging, tasks, reporting, workflow...

    Freemium Web / Cloud Android iPhone

  • Cryptkeeper

    Cryptkeeper is a Linux system tray applet that manages EncFS encrypted folders.

    Open Source Linux

  • EncFS icon

    EncFS Warning

    EncFS provides an encrypted filesystem in user-space. It runs without any special permissions and uses the FUSE library and Linux...

    Open Source Mac Linux BSD

  • LibreCrypt icon

    LibreCrypt

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

    Open Source Windows

  • SecurStick icon

    SecurStick

    SecurStick is a free portable application that lets you carry encrypted files on your USB drive. You can use the drive on any computer...

    Free macOS Windows Linux

  • FreeOTFE icon

    FreeOTFE Discontinued

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

    Open Source Windows Windows Mobile

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  • Gnome Encfs Manager icon

    Gnome Encfs Manager

    The Gnome Encfs Manager is an easy to use manager and mounter for encfs stashes featuring per-stash configuration, Gnome Keyring...

    Open Source Linux

  • DCrypt icon

    DCrypt

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

    Open Source Linux

  • 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....

    Open Source Mac

  • Free Hide Folder icon

    Free Hide Folder

    Free Hide Folder is a free computer security software to hide your private folders. It is very useful to keep your personal data away...

    Free Windows

  • Jetico BestCrypt icon

    Jetico BestCrypt

    If your computer were ever to be stolen, are you certain that your personal information cannot be discovered? Jetico’s BestCrypt...

    Commercial Mac Windows Linux

  • 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...

    Free Mac Windows

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  • eCryptfs icon

    eCryptfs

    The enterprise cryptographic filesystem for Linux

    Open Source Linux

  • ProxyCrypt

    ProxyCrypt is a command line tool that creates encrypted volumes within a file or a hard drive.

    Open Source Windows ImDisk Virtual Disk Driver

  • My Lockbox icon

    My Lockbox Bundleware

    My Lockbox is a security software enabling you to password protect any folder on your computer. The protected folder is hidden from...

    Freemium Windows

  • S.S.E. File Encryptor icon

    S.S.E. File Encryptor

    S.S.E. File Encryptor is a cross-platform encrypter/decrypter of files and folders.

    Freemium Mac Windows Linux

  • SecretFolder icon

    SecretFolder

    SecretFolder is folder hider for home and office. FEATURES * Completely 100% FREE Software * Free to use at both home and in...

    Free Windows

  • Hide Folders icon

    Hide Folders

    If you are interested in protecting your documents and folders, Hide Folders is just what you are searching for. With a click you will...

    Free Mac

  • 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...

    Open Source Mac Windows

  • Rohos Mini Drive icon

    Rohos Mini Drive

    Rohos Mini Drive creates hidden and encrypted partition on the USB flash drive memory. You work with the files on the hidden partition...

    Freemium Windows

  • Privacy Optimizer icon

    Privacy Optimizer

    This powerful tool suite will allow you to change your System default privacy settings, and allows you to easily and quickly hide your...

    Freemium Windows Web / Cloud

  • 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...

    Free Windows

  • Quick File Locker icon

    Quick File Locker

    Do you want to protect private pictures, hide sensitive videos or lockdown documents? Do you want to ensure your privacy by locking...

    Free Windows

  • iGPMail icon

    iGPMail

    iPGMail is an app that implements the OpenPGP standard (RFC 4880, RFC 6637) and allows the user to create and manage both public and...

    Commercial iPhone iPad

  • CyberSafe Top Secret icon

    CyberSafe Top Secret

    CyberSafe Top Secret is an information security program that uses modern encryption algorithms (RSA, AES, BlowFish, etc.).

    Commercial Windows

  • GostCrypt 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...

    Free Mac Windows Linux

  • Folder Lock icon

    Folder Lock

    Folder Lock Advanced locks your personal photos, videos, audio files, memos, documents and wallet cards detail with unbreakable...

    Freemium Windows Android iPhone Android Tablet iPad

  • Kakasoft Folder Protector icon

    Kakasoft Folder Protector

    Kakasoft Lockdir is an excellent folder security solution for password protecting folders. It offers strong security strength in...

    Freemium Windows

  • DocWallet icon

    DocWallet

    Your personal document lock box. Securely stored and always at hand. You can finally access your confidential documents from...

    Free Mac Windows iPhone iPad

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