Cart32 is a proven, very flexible shopping cart management system for Windows based Web servers. It features complete remote administration through a Web browser and is extremely secure, using public/private key encryption for credit card information. It is easy to use and very customizable. The new version includes direct support for most major payment processers and can be setup to support just about any other payment processesor as well. There are also extensive customizations for tax, shipping product management, etc. Version 4.3 adds many new features, including support for MySQL and SQL server, much stronger public/private key encryption of passwords and credit card numbers, integrates well with ASP, Cold Fusion, and Microsoft FrontPage, validation of expiration dates, and much more.