This video tutorial was created by Mark Portnell from the University of Edinburgh as a part of his assignment. He used the third beta of GanttProject 2.5
More recent introduction are also available:
Produced by Minh Nguyen in 2022: https://www.youtube.com/watch?v=htms1aOv9v0
Produced by Ben Brouse in 2012: https://www.youtube.com/watch?v=5FukJpd_VNs
You can get support on the support portal: https://help.ganttproject.biz
It doesn't make too much sense to ask questions in the comments under this video.
