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.
[TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.]
TrueCrypt is the most popular Windows, Mac & Linux alternative to FreeOTFE.
TrueCrypt is the most popular free alternative to FreeOTFE.
Kleopatra is the most popular Open Source alternative to FreeOTFE.
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.
BitLocker Drive Encryption is a data protection feature that integrates with the operating system and addresses the threats of data theft or exposure from lost, stolen, or inappropriately decommissioned computers.
Windows BitLocker is the most popular commercial alternative to FreeOTFE.
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. It’s free for both Mac and Windows.
With EDS (Encrypted Data Store) you can store your files in the encrypted container to prevent unauthorized access to sensitive information.
EDS (Encrypted Data Store) is the most popular Android & Android Tablet alternative to FreeOTFE.
Tella is a mobile app designed to protect human rights defenders, advocates, and journalists by encrypting and hiding their sensitive data and safely uploading it to their organization's server.
Tella is the most popular iPhone alternative to FreeOTFE.
DiskCryptor is a free and open-source utility that offers encryption of all disk partitions, including the system partition. Originally conceived as a replacement for DriveCrypt Plus Pack and PGP Whole Disk Encryption (WDE), the project aims to create the best product in its...
Seahorse is a GNOME application for managing encryption keys and passwords in the GNOME Keyring.
CipherShed is a program that can be used to create encrypted files or encrypt entire drives (including USB flash drives and external HDDs).
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