VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
CryptoForge - CryptoForge is handy-to-use file encryption program for individual and organization to get a reliable safety.
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.
File and Folder Encryption - File and Folder Encryption (FFE) is a key component of WinMagic’s SecureDoc knowledge protection program.
BoxCryptor - Boxcryptor encrypts your sensitive files before uploading them to cloud storage services like Dropbox, Google Drive, Microsoft OneDrive, Box, and many others.
Advanced Encryption Package - For the first time there is an encryption system named Advanced Encryption Package that uses 20 tested and strong encryption algorithms together with AES, Blowfish, Twofish, GOST, Serpent and others.