GanttProject is a free and easy to use Gantt chart based project
scheduling and management tool. With GanttProject you can:

* Create work breakdown structure, draw dependencies, define milestones.
* Assign human resources to work on tasks, see their allocation on the
  Resource Load chart.
* Generate PERT chart from Gantt chart.
* Save charts as PNG images, generate PDF and HTML reports.
* Import projects from and export them to Microsoft Project formats.
* Export to spreadsheets with CSV.
* Share projects with your colleagues using WebDAV.

WWW: http://www.ganttproject.biz/