Hide and encrypt text in bitmaps using Steganography. Includes Delphi source. Freeware with nice simple interface and detailed description of encoding process.

Data file and e-mail encryption utility for Win 95 to XP. Uses 2048-bit Diffie-Hellman public key encryption with 256-bit AES algorithm for symmetric encryption.

This program helps to protect your privacy. The "Cryptic Letter" crypts your texts. As password you can use any phrases or short texts. You can play with it for fun or hide your e-mails from hackers.

Easy Document Security encrypts and protects your document by selecting the icon in context menu on My Computer or Windows Explorer, and you can open or edit the encrypted document without decrypting it.

Folder Password Expert is a software program that lets you restrict access to the folders containing your sensitive data. Secure your documents, prevent people from viewing, printing, or altering them.

Encrypt any file or folder on any Windows PC. Any Media, any type of data. Cryptainer LE Free Encryption Software. Password protect any file or folder with strong Encryption. Send secure e-mail. Protects data on USB Drives, CDs and HDDs. Freeware.

Icon Lock-iT XP, portable file encryption, locking, and security for Windows XP, 2000, NT Desktop files. Portable data storage security for iPod and flash drives. Secure, safe password protection. Self-decryptor for increased portability & security

MaxCrypt Security Suite is the premiere solution for computer security. Its features include effortless encryption, advanced file hiding, and secure file deletion.

CryptIt is designed to use conventional XOR encryption on keys that are the same size as the file to be encrypted. CryptIt also has a ability to use removable media (USB drives, CDs, floppies) as a key code book.

PDF Encrypt allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password.