Recommended Tested Free Encryption Software - A collection of software that has been extensively tested, probed and scrutinised for weaknesses by a group of security experts.
SafeHouse Hard Drive Encryption - Transparent on-the-fly encryption of logical drives for MS-Windows. Supports smart cards and USB memory sticks.
Zip File Encryption - Software to encrypt/decrypt/shred zip files for emailing. Recommended by PCWorld. Provides archive facilities and the built in compression feature makes for smaller files for transmitting.
RIPcoder's Freeware Encryption Page - Freeware file and message encryption tool
Encryption Plus Hard Disk - Delivers full hard disk encryption: automatic, on-the-fly data protection for your entire hard drive. Easy centralized administration for efficient corporate use.
CenturionSoft - Privacy Security Encryption - Software designed for businesses and consumers. Utilities include: privacy protection, encryption of emails and files, and productivity tools for MS Windows.
Cypherus Encryption Software - Encryption software and document shredders for file, e-mail, data, and Internet security.
Encryption Protection - Encryption Protection encrypts files, folders, and email using 128, 256, or 448 bit keys. Also includes file shredder. [Windows]
ZixCorp: Secure Business Email, Encryption and Privacy - ZixCorp offers a portfolio of e-messaging services to protect organizations from email threats and deliver the ability to enforce company policy and securely send to anyone.
Enigma Simulator - Fully functional, accurate simulator of the infamous German Enigma encryption machine invented in 1918.
DeCSS for Linux and DVD - Information about and links to various encryption and decryption tools for educational and research purposes.
Epinions: Security & Encryption Software - Reviews on Security and Encryption Software written by consumers at Epinions.com.
AAVS Encryption Software - 56-bit encryption software for Windows. Utilizes unpublished algorythm.
JavaScript Encryption Program - An open source JavaScript implementation of the RC4, AES, Serpent, Twofish, Caesar and RSA ciphers.
PGP Freeware - A security program distributed by MIT that allows users to send information securely using two-key encryption.
CodeLock - Obfuscates PHP code as well as the HTML output. Supports password protection, IP restriction, and the setting of expiry dates. Website also offers FAQs, demos, and a detailed explanation on how the encryption is performed. [Commercial, Free trial]
HotCrypt - The program allows you to secure your e-mail messages, uses the Blowfish encryption algorithm with up to 448-bit and 56 characters passwords. [Win95/98/Me/NT/2000]
Data Encryption Information Center - Guides ordinary users and students around the subject of data encryption.
Digital Pathways Services Ltd UK - Providing specialised security products for encryption, risk assessment, intrusion detection, VPN's, and intrusion detection.
The Privacy Page - A resource for cryptography, encryption, or electronic privacy instruction. | 
