GDTF Studio can open GDTF files with v1.0. It displays the most relevant informations contained in the file. So you can inspect the fixtures capabilities.

In a future version it's planned to add functionality to edit and create GDTF files.

Features:

- Open GDTF files v1.0
- lists all attribute definitions, features and activation groups
- displays color wheels and gobo wheels
- lists all DMX Modes and their channel sets
- display 3D models
- plots emitter and filter graphs