I work with Blender, Daz3D for 3D modelling. Also use Gimp, Affinity Designer, Affinity Photo for my 2D works. Many times, I give away many of my works for free at https://sharecg.com/pf/full_uploads.php?pf_user_name=quark. I only post the renders and links to the original product here.
[DAZ:Free]: Multipurpose Backdrop and Lighting
This will make it easy and lightweight on your computer to quickly render your scenes in different lighting conditions and backdrops. Versatile but Free, and praised by many users