CleverCrypt Lite (Freeware)

BestCrypt Volume for Disk Encryption protects all data on fixed and removable disks, while also working on RAID, UEFI and GPT partitions. Jetico's encryption software provides protection from physical threats, such as lost computers and USB sticks, by utilizing a wide variety of algorithms (AES, Twofish, Serpent) and the largest possible key sizes with XTS, LRW encryption modes.

Free encryption tool with simple and powerful interface to protect your data. Its an open source software based on GPG public-key cryptography to encrypt/decrypt files and sign/verify digital signatures. WinGPG has a manageable classic Windows interface, clipboard support and WinNT Explorer support via context menus and global shortcuts. Its free to download and easy to use.

Auto File DRM Encryption Tool was developed with EaseFilter Encryption Filter Driver(EEFD) SDK. The tool can encrypt the file transparently, enable you to embed the digital rights management( DRM) data to the encrypted files, it allows only the authorized processes or users to read the encrypted file, the unauthorized processes or users only can get the raw cipher text of the encrypted file.

Secure IT File Encryption Software password protects all your files and folders. Built-in compression to save storage space. Integrated shredder allows permanent file deletion. Secure e-mail module and full command line support. Encrypt and lock folder, any data on any disk drive including removable drives such as USB, flash drive, memory stick, CD/DVD. Works on all 32-bit and 64-bit versions of Windows including Windows 11 & Windows 10.