Cad-rays is a free and open source gpu renderer

Support Lighting and Rendering
1

It is as easy to use as keyshot

Official website download link:

GIthub page:
https://cadrays.github.io/

Source code：
https://github.com/sasobadovinac/CADRays

2

Looks great!
Sorry about the version working only on MS platform… Will there be a Linux version?