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 mobil usable on an USB flash drive too.




FreeOTFE is described as 'Free, open source, "on-the-fly" (OTFE) disk encryption program for PCs running MS Windows and Windows Mobile PDAs (FreeOTFE4PDA)' and is a Disk Encryption tool in the security & privacy category. There are more than 50 alternatives to FreeOTFE for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best FreeOTFE alternative is TrueCrypt, which is free. Other great apps like FreeOTFE are Kleopatra, LUKS, Windows BitLocker and Encrypto.
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 mobil usable on an USB flash drive too.




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

LUKS Manager provides on-the-fly encryption (AES by default) to virtual folders on Android devices.




The Gnome Encfs Manager is an easy to use manager and mounter for encfs stashes. It allows you to create encrypted directories, any file that is placed in such a directory will be encrypted.




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

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.


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



FileVault full-disk encryption uses XTS-AES-128 encryption with a 256-bit key to help prevent unauthorized access to the information on your startup disk.




Unicode Crypter is a portable tool that encrypts and decrypts any Unicode character from 1 to 1114111!

East-tec SafeBit is an on-the-fly disk encryption software that creates password-protected virtual drives to securely store and protect your confidential files from unauthorized access.



