All PBR materials, brushes, photos and 3D models offered for download on CC0Textures.com are provided under the Creative Commons CC0 license.

This means you may use these assets…

• … in your own creations of any kind for free.
• … even in situations that require them to be redistributed as individual files (For example as part of an open source video game).
• … for commercial projects.
• … without having to give credit (Although I would appreciate that).