A product line designed to generate hundreds or thousands of applications a year has unique requirements. Support for Domain-Specific Language evolution is particularly important, as is the ability to automate elements of the entire project lifecycle - from specification and quotation to documentation, maintenance and upgrades.

The SystemsForge product line has been used to build hundreds of web applications over the last few years. In this case study we'll review what has worked, what hasn't worked, and what we're currently focusing on to create a more scalable solution.