A database visualization framework designed to help with development of applications which visualize and navigate hierarchical structures in the form of nested database tables. http://www.db.informatik.uni-kassel.de/escher/Welcome.en.html Two example programs have been developed, a GUI database navigation and editing tool: [http://www.db.informatik.uni-kassel.de/escher/Tcldb/sshoots/tkescher-big.gif] and a project management tool featuring dynamically editable PERT and Gantt charts: [http://www.db.informatik.uni-kassel.de/escher/Tcldb/sshoots/prj-big.gif] ---- [Category Application]