Bokler Software
   Creates cryptographic software components for Windows developers; includes the fundamentals of cryptography and inclusion in program code.
   http://www.bokler.com/

CryptoSys Tools
   CryptoSys is a commercial site which offers cryptography software tools for Visual Basic developers. Included are many symmetric algorithms (Rijndael, DES, 3DES, and Blowfish) together with various one-way hash funcitons (SHA-1 and SHA-256).
   http://www.cryptosys.net/

Cryptography Software Code in Visual Basic
   A commercial site for Visual Basic developers interested in implementing cryptography by using CryptoSys.
   http://www.di-mgt.com.au/crypto.html

Cryptography for Visual Basic Using Encryption
   A resource site for Visual Basic developers interested in implementing cryptography or the CryptoAPI.
   http://www.cryptovb.com/

Crytographic Tools for Visual Basic
   A useful cryptography library for Visual Basic developers interested in implementing various algorithms.
   http://www.echeque.com/Kong/tools.htm

Three Types of Simple Cryptography
   This is a Visual Basic (versions 5 and 6) crytography project written by Alexander Levakov. It functions as an excellent crytography programming tutorial.
   http://www.freevbcode.com/ShowCode.Asp?ID=1164

VB Techniques
   This is a Visual Basic crytography project written by Richard Bondi. It is a fully functional set of COM-wrappers for the Crypto-API.
   http://vbtechniques.com/content.asp?a=co&cID=1044

Visual Basic Instinct : Cryptography
   Explains cryptography from the Visual Basic point of view. Includes custom controls and DLLs for download.
   http://www.vbi.org/Folders/index.asp?id=572