Speaker Workshop is an application for testing speaker drivers using a Windows sound card, then designing and simulating loudspeakers and enclosures and creating and optimizing crossovers.
Orginal work by Audua Incorporated (1996-2001) Open sourced under the Zope license by M. Zachmann on SourceForge (https://sourceforge.net/projects/speakerworkshop/) on the 18th November 2006.
The application is a MDI application develloped with use of the MFC framework.