Keyshot Users

Environments:

• https://www.hdri-hub.com/hdrishop/freesamples
• https://hdrihaven.com/hdris/
• http://hdrmaps.com/freebies

Materials:

• http://www.zbrushcentral.com/showthread.php?202180-17-Keyshot-free-materials
• Does the cloud library work with Keyshot 5: https://cloud.keyshot.com/

Assets:

I don't know if these will open in Keyshot 5, but it is worth a try. Each contains the models, materials, scene, environment...

• https://www.keyshot.com/resources/downloads/scenes/

There are some cool materials for Keyshot available here. These materials are inspired by some of the materials available in Zbrush. Some examples are below. Follow the link above for more example photos, and to download KMP file.