ProjectLibre is project management software, the leading alternative to Microsoft Project. A compliment to OpenOffice and LibreOffice. We have a community site with over 115,000 project management members as well at http://www.projectlibre.org It has been downloaded over 4,000,000 times in 200 countries and won InfoWorld "Best of Open Source" award.
ProjectLibre is compatible with Microsoft Project 2003, 2007 and 2010 files. You can simply open them on Linux, Mac OS or Windows.
ProjectLibre has been rewritten and added key features:
* Compatibility with Microsoft Project
* Gantt Chart
* Network Diagram
* WBS/RBS charts
* Earned Value Costing
* Resource Histograms