• a declarative description language for your projects in terms of subprojects, tasks and milestones;
• a programmable formatted output of project components such as dates, manpower, descriptions or dependencies; and
• an extendible graphical output of pert, schedule, tree and effort charts for visualizing the project data.

The authors are Stéphane Bressan and Eitan M. Gurari. The package is Copyright © 1995 Stéphane Bressan & Eitan M. Gurari.