Where are these in the Blender world? Doesn't everybody want some basic materials to play to get going really quick as with Substance painter? Minumum needed "starter-pack" resources exist as CC0, yet
Free Collection of Materials for Blender Artists
Free Blender 3D model - Game Engine Resources - Blender Artists Community
10+ New Tutorials, Free Resources and Blender Projects! - BlenderNation
Top 10 CGI Material Libraries for Blender | Vagon
Free Collection of Materials for Blender Artists
7 of the best online resources for Blender users · 3dtotal · Learn | Create | Share
BlenderKit | Download Free 3D models, textures and other Blender assets
Blender Tutorial for Absolute Beginners - Blender 3D
Four Blender Materials by Hafunui on DeviantArt
Free model download: Robot - BlenderNation
🎁FREE: New Startup File for Blender 2.81+ - Curtis Holt