File Encryption XP - A program designed for protecting confidential information stored on your computer.
VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
S.S.E. File Encryptor - S.S.E. File Encryptor is a cross-platform encrypter/decrypter of files and folders.
Knox - Knox offers easy disk image encryption and comes with a built-in backup service.
CrococryptFile - Strong file encryption tool
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.