SketchUp is a popular 3D modeling software known for its simplicity and ease of use. It is intended for architects, engineers and designers to create and edit 3D models of buildings, products and other objects. One of SketchUp's biggest strengths is its intuitive interface and simple tools. The software includes several basic modeling tools such as line, arc and rectangle tools, as well as advanced features such as push/pull, follow me, and rotate tools. It also includes a library of prefab components such as doors, windows, and furniture that can be easily added to models.