Knox - Knox offers easy disk image encryption and comes with a built-in backup service.
M3 Bitlocker Loader - Read/write Bitlocker encrypted drive in macOS/Mac OS X and Linux
Exocet - Exocet creates a Folder on your System.
Hasleo BitLocker Anywhere - The World's First BitLocker Solution for Windows 10/8.
R-Crypto - R-Crypto is smart data security and disk encryption software that allows you to secure your sensitive information via strong encryption.
SilentEye - SilentEye is a cross-platform application design for an easy use of steganography, in this case hiding messages into pictures and sounds.