Substance Painter is a 3D texturing software that allows artists to create detailed, realistic textures for 3D models. It provides a range of tools for painting textures, adding effects, and manipulating materials in real-time. Substance Painter is widely used in the gaming and film industries for creating high-quality textures that bring 3D models to life. Its powerful brush system and procedural workflows allow for a more intuitive and efficient texturing process.