Which software application published by Gamma Technologies has a feature/module/fiile named "GTgui"? What is GTgui?

The software application published by Gamma Technologies that includes a feature/module/file named "GTgui" is "Simulink for Modelica" (also known as GT-SUITE). GTgui is the graphical user interface for GT-SUITE, which allows users to create, modify, and visualize system models. It provides access to various modeling tools and capabilities, enabling engineers and researchers to simulate multi-domain systems efficiently. GTgui is integral to the user experience, allowing for interactive simulation and analysis of complex models in areas such as automotive, aerospace, and other industries that utilize system-level simulation.