ZilicusPM Gantt chart Software

http://zilicus.com/features/

ZilicusPM is project management software that allows you to create, manage and track projects schedule as Gantt chart.
Portfolio managers can track progress using portfolio Gantt chart. You can drag-drop tasks, set dependencies, assign staff members, link issues/risks to task, track time, expenses against those tasks.
http://zilicus.com/features/task-management.html

Take a tour http://zilicus.com/tour/

And sign up for free https://projects.zilicus.com/Signup.jsp