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.
13.23 MB (13876788 Bytes)
GanttProject is again a free tool that offers a plethora of task building, project charting and milestone implementation. It can also export and import functions to Microsoft project which makes it a really versatile program. It is ideal for small to medium sized projects.