VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
Axcrypt - AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.
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.
Windows BitLocker - This topic provides a high-level overview of BitLocker, including a list of system requirements, practical applications, and deprecated features.
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.
Cryptomator - When it comes to saving your files on a cloud server, it is important to ensure the security of those files. Keeping your delicate files out of the wrong hands can save you a lot of time and hassle. Read more about Cryptomator.