Seamless PBR Textures - Seamless PBR Textures is one of the intelligent software that utilizes physically based rendering technology that aims to simulate when light reacts with the model.
3DJungle - 3DJungle is a software that contains attractive tileable textures, 3D models, materials, and lessons for 3D designs and visualization, making you easily apply any texture in your models without any hurdle.
Good Textures - FREE High Quality Textures for personal and commercial use
3DExport CG Textures - 3DExport CG Textures is an online store that provides you an opportunity to buy or sell 3D models, textures, plugins, and digital prints.
Textures.com - Textures.com is a website that offers digital pictures of all sorts of materials.
Texturify - Texturify is rich-featured software that deals with high-quality CG textures, mostly used by the top leading designers or architects for private or commercial usage.