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.
Publisher’s description
What is GMT6?
GMT6 by The GMT Team is open-source Windows software in the maps & gis category. It ranks 18th by popularity among maps & gis in this catalogue. It is written in C.
Installation and requirements
The publisher provides EXE (NSIS) installers for 64-bit Windows. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 6.7.0, released on July 30, 2026. The version history goes back to March 30, 2021: 7 releases, all linked to the official files. That is about 1.3 releases a year.
Popularity and file types
The source code on GitHub (GenericMappingTools/gmt) has 986 stars. Similar programs include QGIS (LTR), Google Earth Pro and GeoDa.
Project description on GitHub: “The Generic Mapping Tools”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
Cons
- No native ARM64 build
In short: GMT6 is an open-source maps & gi tool for 64-bit PCs. Administrators can deploy it unattended.
Is GMT6 safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
33595169E15AF02A45702193FC6E44915C97DA3B1806FCC75FD15A0CB49CE57C· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 7 versions ›7 versions over 5 years · about 1.3 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 6.7.0Latest | July 30, 2026 | — | 64-bit EXE (NSIS) |
| 6.6.0 | July 26, 2025 | — | 64-bit EXE (NSIS) |
| 6.5.0 | January 7, 2024 | — | 64-bit EXE (NSIS) |
| 6.4.0 | June 18, 2022 | — | 64-bit EXE (NSIS) |
| 6.3.0 | November 20, 2021 | — | 64-bit EXE (NSIS) |
| 6.2.0 | June 6, 2021 | — | 64-bit EXE (NSIS) |
| 6.1.1 | March 30, 2021 | — | 64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id GenericMappingTools.gmt -egmt-6.7.0-win64.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- The GMT Team
- Category
- Maps & GIS
- Licence
- LGPL-3.0-or-later
- Price
- Free
- Source code
- github.com/GenericMappingTools/gmt
- Written in
- C
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Version
- 6.7.0
- Released
- July 30, 2026
- Added to the catalogue
- March 30, 2021
- Versions listed
- 7
- Updates / year
- 1.3
- GitHub stars
- 986
- GitHub forks
- 414
- Website
- generic-mapping-tools.org
- winget ID
- GenericMappingTools.gmt
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is GMT6 free?
Yes. GMT6 is open-source software under the LGPL-3.0-or-later licence.
Is GMT6 safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install GMT6 with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can GMT6 be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does GMT6 run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of GMT6?
The versions page lists all 7 versions with links to their official installer files, back to March 30, 2021.
What are alternatives to GMT6?
QGIS (LTR), Google Earth Pro, GeoDa, OpenOrienteering Mapper and Marble. The alternatives page compares them.
