GanttProject – Gantt Chart Bsed Project Scheduling and Management Tool
http://www.ganttoroject.biz/

GanttProject is a free and easy to use Gantt chart based project scheduling and management tool. Their major features include: a) Task hierarchy and dependencies, b) Gantt chart, c) Resource load chart, d) Generation of PERT chart, e) PDF and HTML reports, f) MS Project import/export, g) WebDAV based groupwork. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.