CommuniCrypt Mail
Standalone eMail client with built-in strongest asymmetric Public-Key-Encryption with RSA encryption algorithm (RSAES-OAEP). Key length for encrypting up to 7120 bit. This eMail client is fully featured for receiving/sending mails via POP3/SMTP. With the integrated SMTP engine you do not need a... With the integrated file encryption/decryption tool you can encrypt or decrypt your mail attachments or all other files you like with strongest RSA Public Key encryption (key length from 338 bit up to 7120 bit) or with the symmetric AES Rijndael encryption (256 bit).
http://www.communicrypt.com/downloads/ccm_setup.exe - 5Mb - Download - Screenshot

Military Level Encryption
Military Level Encryption blowfish Cast128 gost rc2 Rijndael twofish. Encrypt disk files containing sensitive information. Encrypt sensitive text data before transmission or storage in database. Controls for encrypting, decrypting files and text also encryption of web pages and mailto email... Shedding files with DOD Department of Defense rules.
http://www.dudestar.net/MilitaryEncryptionTrial10.exe - 1Mb - Download - Screenshot

EssentialPIM
This absolutely free personal information manager can store, manage and encrypt data: day/week/month/year schedules, to-dos for keeping of all your tasks in shape, notes (pictures, tables, any formatted text), and contacts. It offers Rijndael 128-bit encryption, MS Outlook import/export, Windows...
http://www.essentialpim.com/download/essentialpim1.exe - 1Mb - Download - Screenshot

Utilant Encryption Library
Don? t spend over $100 on an encryption utility. Use this COM-accessible full-featured encryption library from: ASP, VB 6, VC++, Visual FoxPro, C#, VB. NET, and any other language that supports COM or . NET. Supported encryption types include: DES, 3DES, RC2, Rijndael (AES), RSA and DSA. ... Free to try with a 10 second delay, $50 to buy. ... Purchase online and you will receive your serial number immediately. ... t be fooled by companies trying to sell encryption libraries for well over $100. ... We feel purchasing this utility should be as easy as using it!
http://www.utilant.com/downloads/encryptionlibrary.zip - 309Kb - Download

Password Fortress
Password Fortress is a secure password and private information management tool. You never have to worry about forgetting passwords or losing registration keys again. Password Fortress manages all your private information in a single application. Your sensitive information is protected with... Password Fortress can be configured to store any type of information you like, such as: website and login passwords, software registration keys, credit card numbers, personal identification numbers, and even contact information.
http://dunningsoftware.swmirror.com/pf100.exe - 4Mb - Download - Screenshot

Folder Crypt
With Folder Crypt you can password protect any Windows folder using low level encoding and standard algorithms, such as such as DES, Rijndael, Blowfish and ARC4 with keys up to 2048 bits. The program performs a true bit per bit encryption of your data. ... Original files and folders may be shredded. ... Opening, editing and listing folder contents is password protected. ... Full international characters support. ... crypt file in place of the original folder. ... ) Your encrypted folder will appear as a .
http://www.littlelite.net/foldercrypt/sw/FolderCrypt25Setup.exe - 2Mb - Download - Screenshot

EDCrypt
Softuarium EDCrypt is an ActiveX control performing following functions: - encrypts and decrypts text and files using symmetrical ciphers: BLOWFISH, CAST128, GOST, RC2, RIJNDAEL, TWOFISH - computes hashes (message digests) of text and files using hashing algorithms: ADLER32, CRC32, CRC32B, GOST,... The control can be distributed royalty-free in an unlimited number of commercial applications. ... EDCrypt is a stand-alone component. ... It does not require any other files to work.
http://www.softuarium.com/files/edcrypt.zip - 391Kb - 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

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

BestCrypt
BestCrypt is easy-to-use, powerful data encryption software. You allocate a portion (container) of free space of your drive where you keep all your sensitive data in encrypted form. BestCrypt creates a virtual drive in your system which you work with like with any other drive. ... Strong encryption algorithms Rijndael (AES), Blowfish,Twofish, GOST, DES. ... The wiping utility is included allowing you to wipe files, free space, swap file and file slacks that nobody can restore your files later. ... This version includes support for Windows XP, swap file encryption, and a "hidden" container...
http://www.jetico.com/bcrypt7.exe - 5Mb - Download - Screenshot