All Free with Freedom - Privacy protection software and (rather hyped-up) information on dangers to privacy on the Internet. Includes private browsing, private email and private chat. 30-day free trial.
Amiga PGP 2.6.x - PGP 2.6.x for the Amiga
Any Downloads - Directory of freeware and shareware file encryption utilities.
AS/400 tape encryption - Product information on a hardware data encryption device for IBM AS/400 tape drives.
Best Possible Privacy - Ultra-secure 10240 bit cryptography for e-mails, text and file archives
Biodata - Biodata is a global provider of cryptographic devices as well as network and communications technology products. The company's portfolio includes Internet firewalls with separate management systems, 112-bit DES data encryption products for public telecommunications networks and ISDN routers.
BisonWare blowfish - A Delphi shareware control that offers encryption of blocks and files, as well as the possibility to store and recover the original file name from the encrypted file. By Nick Barnes
BSAFEeay - "BSAFEeay is a free, public domain implementation of RSA Data Security's BSAFE API, using the SSLeay crypto library."
CipherMax - Provider of elliptic curve cryptography applications that run on Microsoft Windows 95/98/NT/2000 platforms.
Comm-Press Technologies, Inc. - Data Security solutions include digital signatures, data compression, Public Key / Private Key, PKI, EDIFACT, SSL, X12.58, S/MIME, X.509, DES, Triple DES, MD5, RSA, SHA and Diffie Hellman.
Complete Cleanup - Shareware that removes all cookies, cache, history, and more, for Netscape, Internet Explorer, and AOL.
Cryptix - International volunteer effort to produce robust, open-source cryptographic software libraries. [BSD-style licensing]
Cryptlib Encryption Toolkit - Cryptlib is a powerful security toolkit which allows even inexperienced crypto programmers to easily add encryption and authentication services to their software.
Crypto++ - Free C++ library for cryptography: includes ciphers, message authentication codes, one-way hash functions, public-key cryptosystems, and key agreement schemes.
Cryptographic Libraries: A comparison - A comparison of free cryptographic libraries with a public key system included. [1996 - outdated]
Cryptosystem ME5 - PC encryption software for multiple files using a symmetric key encryption method.
CTC - CTClib (PGP-interoperable ANSI C encryption software library) and CTCjava (Java crypto components and application).
CyPost Encryption & Security Solutions - Develop software solutions for personal and commercial communications utilizing strong encryption and compression for email security and privacy.
Data Encryption Information Center - A comprehensive site that guides ordinary users and students around the subject of data encryption.
Data Security Solutions Encryption Plus - Provides strong encryption for secure email, ftp, messaging, file encryption, software development tools, custom programming.
Delphi Cryptography Page - Implementations of many of the most useful symmetric encryption algorithms in native Object Pascal, as well as several secure cryptographic hashes. Freeware.
Delphi encryption software for developers - TSM Inc specialises in encryption and security tools for Delphi and C++Builder. Freeware versions are available.
Delphi encryption software from TSM Inc. - Professional quality tools for adding symmetric (Blowfish, Twofish, DES etc.) and public key encryption (Elliptic Curve, RSA) into Delphi and C++Builder applications, as well as cryptographic hashes and copy protection software. Freeware and Commercial versions available.
Delphi HASP components - Allows you to integrate with HASP keys through Delphi, by publishing the HASP API as Delphi functions. By Serge Sushko.
DOS-based PGP Frontends - List of directly downloadable programs.
Emacs Cryptographic Library and Tools - "An emacs crypto library. includes code for IDEA, Blowfish, SHA-1, MD5, RC16 (RC4 extension), an initial implementation of DES, and a few related toys."
Enonymous - Offers free privacy software that protects consumers right to privacy, provides privacy policy statement ratings and empowers users to decide what personal data they share before making online purchases.
Entrust Dev-Net - A variety of tools to add PKI functionality to your application. [Free with Registration] (Entrust)
Entrust/Toolkit Java Edition - A Sun JCE compliant Java cryptography library with CA functionality. [Free with Registration] (Entrust)
F-Secure Desktop - F-Secure Desktop provides an easy-to-use, easy-to-install, low-cost, strong-encryption solution to protect your company's information assets. With F-Secure Desktop, you can encrypt/decrypt files, directories, and Windows 95/NT 4.0 folders automatically during the starting and closing of Windows.
Fortify for Netscape - Fortify for Netscape provides free, world-wide, unconditional, full strength 128-bit cryptography to users of Netscape Navigator and Communicator.
FreeCrypto.org - Software called "Freedom" protects the privacy of web browsing and email, without the user having to do anything. Site also has news on Internet privacy and other issues.
Freedom - Will give you multiple untraceable pseudonyms and anonymous Ip networking to protect your privacy on the net.
Gibberish-er - Gibberish-er is an online message encryption service.
HUB Kryptos - Windows based encryption software, combines the best encryption algorithm with ease of use at an affordable price.
ICQ Encryption Software - Developers of an ICQ encryption addon. A secure version is not available outside the US and Canada.
IETF OpenPGP Working Group - Provides IETF standards for the algorithms and formats of PGP processed objects as well as providing the MIME framework for exchanging them via e-mail or other transport protocols.
Imad's PGP Page - This is the home of the compiler of the C-KT builds of PGP.
Invincible Mail - Easy to use PGP-compatible encryption plug-in for popular Windows-based E-mail clients.
ISDN Security and Encryption devices - DICA Technology; Specializing in access and security solutions for the Internet and ISDN, DICA manufactures products that allow service providers to offer value-added services and enterprises to optimize their network infrastructures.
J/CRYPTO - A cryptographic class library for commercial Java applications. It offers full-strength encryption, signing and certificate facilites and is Sun JCE compliant. [Commercial] (Baltimore)
Kewl Software - Cryptography tools for the vb programmer including Lock Nuts.
Kremlin Encryption Suite - Easy to use and secure encryption and file deletion with free evaluation version.
Lockimage - Protect Images NOW with LockImage Pro Encryption Software. Lockimage Pro protects your images from theft with secure encryption.Secure your photographs,images.
logi.crypto - Formerly Cryptonite, a pure java package for strong cryptography. It supplies RSA (usable outside of North America), DES, Triple-DES implementation as well as other utility classes. [GPL or Commercial License]
Microlink - A leader in the design and development of the first enhanced service platform to offer voice and fax network encryption as a complete security solution of the telephone wiretapping problem.
Mike's Privacy Page - Site originally devoted to PGP, now also diverging into other related areas of computer security and privacy. Good tutorials and introductions to subject matter. Links to many other sites, both amateur and professional.
MIT distribution site for PGP - MIT distributes PGP free for non-commercial use. Downloads are available for US and Canadian residents only.
Network Associates Inc. - Network Associates sells the commercial versions of PGP.
NSClean and IEClean Privacy Software - Cleans up all traces of surfing activity.
OpenPGP.net - Information about (Open)PGP and PGP for OS/2 (FAQ, downloads).
OpenSSL - "The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library."
PC Guardian - Encryption software and anti-theft hardware.
Pegwit for Windows (PegwitW) - Pegwit for Windows encryption software using elyptic curves.
PGP 5.5, MacPGP, Macintosh and Encryption - Dedicated to information about Macs and PGP, and all encryption and privacy.
PGP 6.5.1 Freeware (US/Canada only)
PGP Digital Timestamping Service - Stamper is a free digital timestamping service which uses PGP and operates via Internet email.
PGP Plugin for Netscape - Use the spell check feature of Netscape Communicator to sign and/or encrypt outgoing messages. No support for incoming messages.
PGP, Inc. - PGP, Inc. merged with Network Associates. They sell the commercial versions of the PGP software.
PGP-Users Mailing List Home Page - Home page of the PGP-Users Mailing List and many good PGP related links.
PGPClick - PGPClick is a front-end for Pretty Good Privacy (for Windows)
Polymorphic cryptography - Huge keysize cryptography.
Privacy X - Free service for sending private email messages and files, anaonymous web browsing, and anonymous themed chat rooms.
Privador - Secure Sockets Agent adds strong encryption and certificate-based authentication to any client/server applications. It is a perfect tool for allowing your employees secure remote access to corporate servers, or for developing business-to-business extranet solutions. The SSA features 128-bit cryptography, is available on multiple operating system platforms, contains a Certificate Authority and supports a wide variety of application protocols.
Private Idaho Email - Secure email using PGP 5 or 6, and also one-way anonymous (recipient cannot reply) and two-way anonymous (recipient can reply, but not trace who you are) remailing.
PrivateSurfer - Encrypted surfing software to prevent both ISPs and websites tracking user activity.
Protect Data Security, Inc. - Protect! combines transparent hard disk encryption, secure authentication, and boot protection with easy, central administration to extend enterprise security to desktops and laptops.
Reasonably Adequate Privacy - Steganography technique which uses the tendency of dried vegetable juices to become colored when heated as its base technology.
RSA BSAFE - RSA Data Security offers a wide variety of toolkits that allow software and hardware developers to incorporate encryption technologies into their products. Both C and Java. [Commercial]
SafeHouse Hard Drive Encryption - Transparent on-the-fly encryption of logical drives for Windows 3.1 or Windows 95.
SafeMail - Compatible with PGP, SafeMail allows you to easely secure (encrypt) and authentify (digital signature) any e-mails or files. Eudora plug-in included. Two versions are available: SafeMail (shareware) and SafeMail Pro. Current version work on Macintosh computers.
ScramDisk - Free Disk Encryption Software - ScramDisk is a free hard drive encryption program that runs under Windows 95 & 98 and provides a number of 'high security' ciphers including 3DES, Blowfish and IDEA. The source code for the program is also available for download.
Seahorse - Seahorse is a Gnome front end for the GnuPG (Gnu Privacy Guard) file encryption/decryption program. Both English and Japanese support is provided.
SecureAgent Software - Specializes in secure encryption e-mail, enterprise management, e-commerce and site management.
SecureWin Home Page - A comprehensive set of tools designed to protect your computer, and everything in it, from the moment you log-on to the moment you shutdown
Shareware Solutions - Simple Encrypter - Simple Encrypter v1.0.1 is a simple program that will encrypt your files. This is not a sophisticated 128-bit encryption program, but should easily guard against curious co-workers. Simple, yet effective.
Shorline Securities Ltd. - Upgrading a non-US Windows NT web server with CryptoServer gives clients the capability of strong encryption for e-commerce applications.
Sly Fox - Sly Fox is your friend offering innovative easy to use software and products, offering Optimum Data Security.
Stealth Encryption - Stealth Encryption software hides files in images. Encrypt email attachments or sensitive data. Protect digital art. Enter the contest. Free reader & images.
Steganos II Security Suite - Steganos offers perfect Windows integration: You can hide and encrypt your files by simply using the context menu. The program also contains a password management tool, a file shredder, and a program to lock the computer. Only strong, export-restricted encryption algorithms are being used.
SurfSecret - Software to surf anonymously by removing traces left behind (cache, history) on your computer from web surfing.
TenFour - TenFour offers software solutions for secure e-mail. Security features such as encryption, key management and digital signatures keeps your organization's data confidential.
The Digital Keys Library - Win32 DLL written in Delphi with a set of high-level functions to encrypt text and/or add a digital signature. RSA, IDEA, MD5. Data packet and key format compatible with PGP.
The Global Internet Trust Register - A register of the fingerprints of the world's most important public keys.
The International PGP Home Page - PGP Resources.
The OTP Scrambler - OTP Scrambler is an encryption utility based on the uncrackable one-time pad method. Its' unique feature is the ability to generate large truly random keys from analog noise in the circuits of your sound card. Source included with registered copy.
Theissen - Secure and easy to use transparent file encryption software with free evaluation version. Theissen is an European engineering Company for cryptographic solutions and supplier of security software for data encryption to the major European Bank institues.
Torry`s Delphi Pages (Security section) - A comprehensive collection of security and encryption components from one of the most useful web resources for the Delphi developer.
Transparent Cryptographic File System - An NFS-based cryptographic file system.
Triade systems - Public key encryption in native Delphi Pascal. Includes several of the most common algorithms including RSA and ElGamal and a huge integer library. Freeware.
TrustedDoc - TrustedDoc utilises leading digital signature technologies to produce trustworthy digitally signed documents for use in e-Business environments.
Virtual Private Disks - Enterprise-wide multi-platform security product. Transparently access encrypted files. 100% transparency, zero administration. Filesystem independent. Network ready.