Most data integration middleware products now get OEMed into development tools (such as Visual Café and Inprise/Borland's JBuilder), and EAI suites (such as Vitria's and Tibco's). A few years ago, data integration middleware was a distinct market. Due to OEMing, it has virtually disappeared, though the technology lives on in other tools.
Please see the Resources section of the course to download a PDF file containing a complete list of all of the vendors and tools covered in this course, along with URLs to the vendor Websites.