GanttProject is a cross-platform desktop tool for project scheduling and management. It runs on Windows, Linux and MacOSX, it is free and its code is opensource. What can it do? * Gantt chart. - Create work breakdown structure, draw dependencies, define milestones. * Resources. - Assign human resources to work on tasks, see their allocation on the Resource Load chart. * PERT chart. - Generate PERT chart from Gantt chart. * Export. - Save charts as PNG images, generate PDF and HTML reports. * Intero... More info »
There is no contact information on the website and their Mac binary is only PPC meaning that will never work on OS X 10.7
Considering that they have only PPC build I think that probably the last build was many years ago :P
There's already a fifth beta of GanttProject 2.5, dated January '12. Can't say about their Mac binary though. I'm a PC :) But the program looks alive from where I stand.
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