Yes, all of our SketchUp plugins (extensions) work with SketchUp Make 2017 for desktop which is free to download and use for non-commercial purposes.
You do not need to have SketchUp Pro to use our plugins.
As of this writing, SketchUp Make 2017 is still available for download. Some of our plugins may work with older versions of SketchUp Make as well.
What about SketchUp Free (Web version)?
Currently, plugins can not be used with the web version of SketchUp. This version of SketchUp does not support extensions.