Some PBR texture/materials repositories:
There is the option to use a search repository like this 3DAssets.one - just search for the subject you need (wood, tiles, stone, ...)
* CC0 = In short, this means you can use the textures for anything, even without giving credit.
- CC0 Textures - public domain assets (PBR materials)
- Free PBR (Free)
- Share Textures (Free and CC0)
- PBR Textures (CC0)
- CG Tricks Textures (Free)
- Texture Heaven (CC0)
There is the option to use a search repository like this 3DAssets.one - just search for the subject you need (wood, tiles, stone, ...)
* CC0 = In short, this means you can use the textures for anything, even without giving credit.