I have an addon under GPL license that creates a shader that hides or reveals objects in Blender. The script was created for Blender 2.7x and it does not work with 2.8.
The addon information is here:
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It is a small addon, but becasue of all the changes to the layers and collections in Blender 2.8, the script needs to be updated.
If you don't know what Blender 2.8 is, please don't apply. You need to be savvy in Python and understand Blender 2.8.