3D rendering programs are software tools used to create three-dimensional images and animations. They allow artists and designers to build virtual models, apply textures, and simulate lighting to produce realistic visuals. Common applications include video games, movies, and architectural designs. These programs often feature user-friendly interfaces and powerful rendering engines, enabling users to manipulate objects and environments easily. Popular examples of 3D rendering software include Blender, Autodesk Maya, and Cinema 4D. These tools are essential for professionals in fields like animation, product design, and visual effects.