Substance Source 22 – 32 Substances
Textures
Substance Source 21 – 40 Substances
FlippedNormals – 400 Vintage Alpha (17k and 4k) 32 bit
CGAxis – Physical 3 8K
Substance Source 20 – 60 Substances
CGAxis – Physical 3 4K
Poliigon -Texture Library
Substance Source 19 – 46 Substances
Substance Source 18 – 40 Concrete-Asphalt-Ground
Gumroad – Automotive Paint Shaders