: Allows users to group and nest lights within a single light source, similar to folders in Photoshop.

: Introduced or improved support for Cinema 4D (R21+), Houdini (18+), Maya (2020), and renderers like V-Ray, Octane, and Redshift.

If you are looking for a free or trial version, the developer, Lightmap, provides a with specific conditions:

: If you already own a license for Tungsten, you can retrieve your installer and activation codes by logging into your Lightmap account under "My Activation Codes". Key Features of the Tungsten Edition

Tungsten (Release 6) was a significant milestone that changed how 3D artists manage complex lighting: