6SigmaET is a sophisticated thermal simulation software designed for electronics cooling analysis. This tool offers a wide range of features that enable engineers to model and analyze the thermal performance of electronic devices and systems efficiently. Key features include an intuitive user interface, support for complex geometries, and compatibility with CAD file imports, facilitating seamless integration into design workflows. The software also incorporates advanced solvers for accurate thermal predictions, including the handling of radiation and conduction. Additionally, 6SigmaET supports multiphysics simulations by integrating with other tools and enhances productivity through automation features such as scriptable customizations and batch processing. These capabilities make it a valuable resource for engineers aiming to optimize thermal management in electronics design.