| ArchiCAD is a dominant global architectural CAD application, used extensively in Europe and in the United States. ArchiCAD has been, since the beginning, a true model-based CAD program. Pioneers of the 'virtual-building' concept ArchiCAD today has extensive third-party support for virtual-building objects, utilizing ArchiCAD's custom language GDL. Relevant Articles and Resources • Internet-focused technologies in new ArchiCAD 7 • GDL Object Center at Graphisoft | 
