TrueCrypt is truly the best and ultimate freeware encryption program. It is a freeware disk encryption application that's well-designed and user friendly.
Here are some screenshots to illustrate the features and user interface of this application:
Software solution that enables users to create encrypted volumes on their computers. Screenshot of TrueCrypt - 393px · 242pxCreate encrypted hard drives. Screenshot of TrueCrypt - 321px · 400pxFree open-source disk encryption software. Screenshot of TrueCrypt - 394px · 476pxTrueCrypt: Encrypting data. Screenshot of TrueCrypt - 351px · 308px