SketchUp (formerly Google Sketchup) is a 3D modeling software. Developed by Trimble
License: Freemium
Autodesk AutoCAD is a powerful tool primarily used for detailed 2D drafting and engineering design, making it ideal for professionals in architecture and engineering. In contrast, SketchUp focuses on user-friendly 3D modeling and visualization, catering more to designers and architects looking for quick conceptual designs.