.GML File Extension

File Type 1

GameMaker Language File

Developer Yoyo Games
Popularity
3.9  |  20 Votes
Category Developer Files
Format Text

What is a GML file?

Developer file used by GameMaker, a program used to create computer video games; contains program code written in the GameMaker Language (GML) that is executed by the GameMaker interpreter.

More Information

GML files are used to create game scripts, functions, or modules.

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Programs that open or reference GML files

Updated December 14, 2017
File Type 2

Geography Markup Language File

Developer Galdos Systems
Popularity
3.7  |  14 Votes
Category GIS Files
Format N/A

Geography data format created by Galdos Systems and supported by the Open Geospatial Consortium; used by geographers for storing geographical data in a standard interchangeable format.

Programs that open or reference GML files

Updated October 19, 2016
File Type 3

Gerber Mill Layer File

Developer Ucamco
Popularity
2.6  |  8 Votes
Category Data Files
Format N/A

A GML file may also be a data output file created by Printed Circuit Board (PCB) CAD tools such as Autodesk EAGLE. It contains layout data for the layer that specifies the hole locations that need to be milled.

More Information

Gerber layer files, such as GML, are used by PCB manufacturing machines to create PCB boards. The GML file is an exported version of the PCB layout and is referenced to mill holes in the board.

NOTE: The Gerber format was originally developed by Gerber Systems but is now maintained by Ucamco.

Common GML Filenames

[projectname].gml - The GML file is named after the name of your PCB project.

Programs that open GML files

Windows
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Mac
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Updated July 20, 2017
File Type 4

Graph Modeling Language File

Developer N/A
Popularity
2.2  |  5 Votes
Category Data Files
Format Text

File created in the GML (Graph Modeling Language) format, an ASCII text format used for describing graph structures; describes the structure of the graph in a text-based hierarchy and includes the nodes, edges, and attributes that comprise the graph.

More Information

The Graph Modeling Language can describe family trees, flowcharts, networks, and other graph structures.

Programs that open GML files

Updated September 25, 2014

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