CGProper.com

PBR Textures
Every texture, whether prodecural, photoscanned, or approximated from bitmap, contains several texture maps which together create a photorealistic material that you can use to bring life to your renders.
Free For All
All items on CGProper are released under the Creative Commons Zero (CC0) license, free for non-commercial and commercial uses alike, no attribution required. You can learn more about CC0 here.
3D Assets
A collection of 3D models and photoscanned objects, each provided in obj format and with its own PBR textures, suitable for a variety of scenarios, from static renders to video games.