GMT is an open source collection of ~60 tools for manipulating geographic and Cartesian data sets.
Version: 4.3.1GMT is an open source collection of ~60 tools for manipulating geographic and Cartesian data sets (including filtering, trend fitting, gridding, projecting, etc.) and producing Encapsulated PostScript File (EPS) illustrations ranging from simple x-y plots via contour maps to artificially illuminated surfaces and 3-D perspective views. GMT supports ~30 map projections and transformations and comes with support data such as coastlines, rivers, and political boundaries.
Operating System: Linux
GMT project is released under the GNU General Public License.