OpenProj is an Open Source Free Project Managemetn Software by Serena Software. This Free Project Management Software is a desktop replacement of Microsoft Project. OpenProj has equivalent functionality, a familiar user interface and even opens existing MSProject files.

OpenProj shares the most advanced scheduling engine in the industry with Projects On Demand. The OpenProj solution has Gantt Charts, Network Diagrams (PERT Charts), WBS and RBS charts, Earned Value costing and more.

This Open Source Free Project Management Software fills an important gap in the desktop market, as a key component in the Office family of products now has a replacement available on Linux, Unix, Mac or Windows. OpenProj was also selected for inclusion with Star Office suite boxes in Europe. The OpenProj solution has been translated into French, Spanish, German, Portuguese, Swedish, Finnish, Galician, Persian, Russian, Korean and Chinese.

Website: http://openproj.org/openproj

Download: http://sourceforge.net/projects/openproj/files/