The Best 77 Windows BitLocker Alternatives

  • 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 Windows Vista/XP, Mac OS X, and Linux.

    Free Open Source Mac OS X Windows Linux

  • 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 encrypting files using the Advanced Encryption Standard (AES).

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

  • DiskCryptor

    DiskCryptor is the only truly free solution, provided under GNU General Public License (GPLv3), which offers encryption of all disk partitions, including the system partition.

    Free Open Source Windows

  • LUKS

    LUKS is the standard for Linux hard disk encryption. By providing a standard on-disk-format, it does not only facilitate compatibility among distributions, but also provides secure management of multiple user passwords.

    Free Open Source Linux

  • EncFS

    EncFS provides an encrypted filesystem in user-space. It runs without any special permissions and uses the FUSE library and Linux kernel module to provide the filesystem interface. You can find links to source and binary releases below.

    Free Open Source Mac OS X Linux BSD

  • Seahorse

    seahorse is a front end for gnupg, that integrates to the gnome desktop. it is a tool for secure communications and data storage.

    Free Open Source Linux GnuPG

  • Cryptonite

    Cryptonite brings EncFS and TrueCrypt to Android. You can browse, export and open EncFS-encrypted directories and files on your Dropbox and on your phone. On rooted phones that support FUSE (e.g.

    Free Open Source Android Android Tablet

  • FreeOTFE

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

    Free Open Source Windows Windows Mobile

  • My Lockbox

    My Lockbox is a security software enabling you to password protect any folder on your computer. The protected folder is hidden from any user and application of your system, including Administrator and System itself.

    Freemium Windows

  • 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.

    Free Open Source Windows

  • Jetico BestCrypt

    If your computer were ever to be stolen, are you certain that your personal information cannot be discovered? Jetico’s BestCrypt software automatically encrypts your files so that nobody can read the data unless they have the right...

    Commercial Mac OS X Windows Linux

  • eCryptfs

    The enterprise cryptographic filesystem for Linux

    Free Open Source Linux

  • DCrypt

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

    Free Open Source Linux

  • Luksus

    LUKSUS is a tool that creates an encrypted volume and filesystem on a hardrive or other storage media as well as a filecontainer. It can use the following encryption facilities: LUKS, Truecrypt and GELI.

    Free Open Source Linux BSD TrueCrypt dialog

  • 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 to access and modify those files WITHOUT needing any administrator privileges.

    Free Mac OS X Windows Linux

  • RealCrypt

    The realcrypt application in the RPM Fusion repo is an encryption application based on truecrypt, freely available at http://www.truecrypt.org/ .

    Free Open Source Linux

  • 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 — but this time with added security.

    Free Mac OS X Windows