GMT is an open-source collection of command-line tools for manipulating geographic and Cartesian data sets (including filtering, trend fitting, gridding, projecting, etc.) and producing high-quality illustrations ranging from simple x–y plots via contour maps to artificially illuminated surfaces and 3D perspective views. It supports many map projections and transformations and includes supporting data such as coastlines, rivers, and political boundaries and optionally country polygons.
Yes. GMT6 is free and open-source software released under the LGPL-3.0-or-later license.
What is the latest version of GMT6?
The latest version is 6.7.0, released on Jul 30, 2026.
Is it safe to download GMT6?
The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 33595169e15af02a45702193fc6e44915c97da3b1806fcc75fd15a0cb49ce57c.
Which Windows versions does GMT6 support?
GMT6 runs on Windows and is available for 64-bit (x64) systems.
How do I install GMT6 silently?
Run the offline installer with "gmt-6.7.0-win64.exe" /S, or install it with Windows Package Manager: winget install --id=GenericMappingTools.gmt -e --silent.
How do I uninstall GMT6?
Open Settings › Apps › Installed apps, find GMT6 and select Uninstall. From the command line, run winget uninstall --id=GenericMappingTools.gmt -e.
