AxCrypt is free and easy to use open source strong file encryption for Windows 95/98/ME/NT/2K/XP, integrated with Windows Explorer. Encrypt, compress, decrypt, wipe, view and edit with a few mouse clicks. Cryptographic primitives are AES-128 and SHA-1.

Keeps your confidential data in a strongly encrypted form on your disk and provides you with transparent access to it from any application. Keep your letters, databases, private information in an encrypted form on your hard disks, removable media, magneto-optical devices, CD ROMs, floppies or network disks - all within a standard operating environment.

File encryption and security tool for the Windows platform.

Security Suite that protects Notebook and Desktop PCs. Windows only at this point.

CrypBox securely stores sensitive data on your Palm OS handheld and desktop PC. Data is encrypted to keep it safe from prying eyes. You'll always have your confidential information like passwords, account numbers, logins, PIN's and URL's at hand.

Cryptainer LE is software that can create multiple encrypted containers. It functions like any other drive (C: or D:) on your computer. Just drag and drop any file into the Cryptainer. It is automatically encrypted. It's that simple! Cryptainer files can only be viewed, accessed, browsed or modified by the user who has the key to open it. At other times it remains invisible.

Crypto-Lock is a File Protector that allows you to restrict access to your executable files (programs) and other type of files as well. The program uses the SHA-1 and Blowfish algorithms and can produce either self-decrypting files or encrypted modules. You can optionally select to create a backup copy of the original file.

A collection freeware PGP-interoperable encryption software packages.

DRIVECRYPT securely and easily protects all proprietary data on notebooks and desktop computers 100% of the time without users having to think about security. Any organization, from a small company to a large international firm with thousands of users in the field, can effectively protect business plans, client lists, product specifications, confidential corporate memos, stock information, and much more with this product.

Email encryption, disk security, content control and our PKI-ready developer tools to secure information.

A digital wallet application that runs on your palm or Windows smartphone.

Quick encryption, key manager, session keys and passwords. You can choose for encrypting any of 10 encryption algorithms: AES, Blowfish, CAST-256, GOST, IDEA, MARS, RC-6, Serpent, TripleDES and Twofish; also you can use any of four encryption modes: Electronic Codebook, Cipher Block Chaining, Cipher Feedback and Output Feedback.

GnuPG is the GNU project's complete and free implementation of the OpenPGP standard as defined by RFC2440 . GnuPG allows to encrypt and sign your data and communication, features a versatile key managment system as well as access modules for all kind of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.

KeePass is a free/open-source password manager or safe which helps you to manage your passwords in a secure way. You can put all your passwords in one database, which is locked with one master key or a key-disk. So you only have to remember one single master password or insert the key-disk to unlock the whole database. The databases are encrypted using the best and most secure encryption algorithms currently known (AES and Twofish).

GnuPG is a free OpenPGP client (PGP == Pretty Good Privacy). It can encrypt text (usually e-mail or other messages sent between people) and sign text to prove who wrote it.

An easy to use, but powerful computer security system for your computer.  MaxCrypts On-the-Fly encryption system uses the 256-BIT AES (Advanced Encryption Standard) encryption algorithm on virtual volumes for fast, transparent encryption of files.

Stores a list of accounts with information such as account name, associated password, URL, and free-form notes. You can easily access the information, copy to clipboard or export to a variety of formats. There is a powerful search facility with filtered output (i.e. view only the records that satisfy your search criteria). You can also filter by categories that you assign to accounts when you create or edit them. Oubliette offers a number of ways to transfer account names and passwords to the browser: via the clipboard, through drag-and-drop, or by automated form filling. Note: As of October 20th 2005, this project was shut down, the author citing programming bankrupcy. Old binaries are still available for download.

A password manager program that allows you to store all your passwords, secret notes and data snippets in a single, easy to navigate, and secure database.

Commercial password manager, supports USB drives.

Password Safe is an open source tool that allows you to have a different password for all the different programs and websites that you deal with, without actually having to remember all those usernames and passwords. Password Safe runs on PCs under Windows.

Industry strength encrpytion tools including protection of files, emails, attachments, instant messages and entire disk protection.

A small and extremely fast encryption utility that uses Blowfish encryption algorithm in CBC mode. It is easy to use and support multiple files drag-and-drop. In addition, it is portable, you can put it on your USB memory stick and run it anywhere you go.

This free disk encryption software creates a virtual encrypted disk within a file and mounts it as a real disk. All data encryption is extremely fast, automatic,  on-the-fly and with no performance penalty. Private Disk Light uses NIST certified AES 128-bit encryption to protect confidential information.

Designed to help you manage your passwords and other private information for web sites, computers, contacts, and other programs within one secure application. Uses specifically DES 56-bit encryption with a 1024 bit MD5 hash algorithms.

A file and folder encryption application that supports 448-bit strong encryption, high compression, command-line processing, built-in file shredder and email security.

Security tools that provide file encryption, anti-spyware and anti-theft protection.

Creates a virtual encrypted disk within a file, used to store data. Touts realtime automatic encryption and hidden volumes within encrypted files.

Windows Privacy Tools (WinPT) is a collection of multilingual applications for easy digital encryption and signing of content. It's GnuPG-based, compatible with OpenPGP compliant software (like PGP) and free for commercial and personal use under the GPL.

An archive manager with password protection options.

An archive manager with password protection options. Uses AES encryption.

Zero Footprint Crypt can encrypt your files using any of 6 supported algorithms (Blowfish, Twofish, 3DES, RC4, Serpent and Rijndael). It comes with a built-in viewer for images, movies, sound and support for MP3 tags. Uses blowfish encryption.