#1 Smart Encryptor - Encryption Manager
SmartEncryptor uses the most powerfull encryption algorythms existing. AES - the US Government standard symmetric encryption algorythm and Blowfish. Encrypt files and folders Send files over the Internet securely Create self-decrypting executables Works on all Windows systems.
http://www.smartencryptor.com/downloads/smartencryptorsetup.exe - 364Kb - Download - Screenshot

SecureFile
SecureFile is an encryption and compression program that allows you to encrypt and decrypt files using symmetric key and asymmetric key mechanism. It creates a self-decryption archive which can be decrypted at the other end without any dependencies. It incorporates powerful Blowfish algorithm... The encrypted file can be decrypted simply by double clicking the archive with the given password for symmetric key mechanism and no input is necessary for certificate based encryption and decryption. ... The user needs no installation of any application to decrypt the files.
http://securefile.tripod.com/securefile.zip - 714Kb - Download - Screenshot

MSCCrypto for Linux
MSCCrypto is COM component for Active Server Pages and stand-alone applications. It includes collection of the best encryption and hashing algorithms: - RSA public key algorithm (512/1024/2048 bits key size) - AES symmetric block algorithm (128/192/256 bits key size) - Blowfish symmetric... Miraplacid Crypto Component core is proprietary Miraplacid Crypto Library. ... It is not an object wrapper around the Microsoft CryptoAPI. ... All algoritms are exact implementations of respective standards.
http://www.miraplacid.com/downloads/msccrypto.tar.gz - 225Kb - Download

MSCCrypto for Windows
MSCCrypto is COM component for Active Server Pages and stand-alone applications. It includes collection of the best encryption and hashing algorithms: - RSA public key algorithm (512/1024/2048 bits key size) - AES symmetric block algorithm (128/192/256 bits key size) - Blowfish symmetric... Miraplacid Crypto Component core is proprietary Miraplacid Crypto Library. ... It is not an object wrapper around the Microsoft CryptoAPI. ... All algoritms are exact implementations of respective standards.
http://www.miraplacid.com/downloads/msccrypto.exe - 824Kb - Download

Chilkat AES & RSA Encryption Component
Chilkat Crypt . NET is an advanced encryption component that offers both RSA public-key encryption with digital signatures as well as symmetric encryption algorithms including AES (Rijndael), Blowfish, and Twofish. It provides the ability to easily create digital signatures for files or memory... It also provides easy access to information about digital certificates and the ability to add and delete certificates from certificate stores found in the registry, filesystem, or even directly in memory.
http://www.chilkatsoft.com/ChilkatCrypt.exe - 2Mb - Download - Screenshot

Chilkat Encryption .NET Component
Chilkat Crypt . NET is an advanced encryption component that offers both RSA public-key encryption with digital signatures as well as symmetric encryption algorithms including AES (Rijndael), Blowfish, and Twofish. It provides the ability to easily create digital signatures for files or memory... It also provides easy access to information about digital certificates and the ability to add and delete certificates from certificate stores found in the registry, filesystem, or even directly in memory.
http://www.emailcomponent.com/ChilkatDotNet.msi - 2Mb - Download

Easy Email Encryption
Easy Email Encryption is for sending and receiving encrypted email (optionally with attached files up to 100 KB), and is designed to be easy to use. It works with any email program, including Outlook Express. It uses a symmetric key method, and keys are maintained in an encrypted list of keys... The software allows you to maintain a list of encryption keys, each associated with a particular recipient (or group of recipients), so that you don't have to re-enter the encryption key each time you wish to send a message to a particular recipient.
http://www.hermetic.ch/eee/eee_setup.zip - 2Mb - Download - Screenshot

1 Click Encrypt File Folder Encryption
1 Click Encrypt is the encryption utility that brings military strength encryption power at your fingertips, assuring that your files are secured and protected from intruders and spies. You can use this product to encrypt or securely hide any type of file, allowing you to relax a bit knowing... All confidential information is professionally protected by encryption algorithms such as AES - the US Government standard symmetric encryption algorithm and also Blowfish. ... Possibility of generating an own cipher key is also present, allowing to implement custom encryption methods to your most...
http://dl.filekicker.com/pd/0/0/0/...0422075325/1ClickEncryptSetup.exe - 1Mb - Download - Screenshot

Encryption Toolkit 2003 Trial Edition
The Encryption Toolkit includes all the tools you need to add file encryption and data encryption to your software applications. The toolkit includes COM encryption objects with a standard interface for both the Pocket PC and Windows desktop platforms. ... The Encryption Toolkit supports both 40 and 128 bit symmetric key encryption. ... The Nickellie Encryption Toolkit includes everything you need to add data encryption and file encryption capabilities to your software applications. ... The COM encryption Interface simplifies encryption from Visual Basic, Embedded Visual Basic, Visual C++,...
http://www.nickellie.com/NET03TE.exe - 1Mb - Download - Screenshot

ShyFile - Email, File and Chat Security
ShyFile encodes your text (txt- and HTML-files) and packs it into an extra file that is to be attached to an outgoing e-mail or uploaded to a Web site. The recipient thereof does not need to have ShyFile installed to be able to decode since any Internet browser will open it and prompt the user... ShyFile exclusively makes use of its own independently developed TL6144D algorithm, offering a symmetric depth of encryption of up to 6,144 bit, which may meet the needs of the most paranoid among us. ... Simple 1on1 symmetric key entries are used, no Public and Private Keys.
http://www.shyfile.net/shyfile.exe - 4Mb - Download - Screenshot