Freezerworks comes with 4D’s SQL engine. 4D is a SQL-92 compliant development platform. 4D was one of the first development platforms to allow us to build for both Windows and Mac OS. It packages your database engine and application layer and does not require any supporting software. 4D server is a “zero-admin” server. It is easy to install, use, and administer, and is extremely cost effective. For more information on 4D, click here.