Vertical Computer Systems Inc. announced the official beta release of two of its MLE (Markup Language Executive) Solutions Suite products: the XML Catalog Enabler Agent and the XML Database Agent. The XML Catalog Enabler Agent is directed toward B2B e-commerce applications, and the XML Database Agent is directed mainly toward internal operations of organizations. Both products enable advanced interoperability in B2B, B2G and B2C e-commerce. They are server-based tools that allow data to be fetched from an SQL relational database via http. Both work on Windows NT, Windows 2000 and Linux. The XML Catalog Enabler Agent will enable vendors to enter the e-procurement business quickly via XML. The general availability for these two products is scheduled for Sept. 30, 2000.