VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
USBCrypt - USBCrypt is the name of a highly advanced encryption software that delivers the two-step verification system to the USB holders to protect their data from unauthorized and unwanted access.
Axcrypt - AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.
Rohos Disk Encryption - Rohos Disk Encryption is not about encrypting the some USB sticks only, rather it contains the some additional features and functions as well to deliver the extra encryption systems for your PC.
Windows BitLocker - This topic provides a high-level overview of BitLocker, including a list of system requirements, practical applications, and deprecated features.
Kakasoft USB Security - Kakasoft USB Security is a security protection system for the USB drives and removable mass storage media devices only.