Mixamo by Adobe is a free AI-powered 3D character animation platform with auto-rigging and hundreds of motion-capture animations for game developers and animators.

OpenSCAD is a script-based 3D CAD modeler with AI-assisted code generation for creating precise, programmable 3D models for 3D printing.

SolidWorks is a professional 3D CAD software with AI-driven design suggestions, automated FEA analysis, and drawing generation. Engineers use it for mechanical design and product development.

Cinema 4D by Maxon is a 3D modeling and animation tool with AI-powered mesh generation, scatter tools, and character rigging. Motion designers use it for broadcast graphics and product visualization.

Sculptris is a free 3D sculpting tool that automatically optimizes mesh density as you sculpt. It provides an intuitive entry point for beginners exploring digital clay modeling.

SolveSpace is a free parametric 3D CAD program with AI-enhanced constraint solving, 2D sketching, and mechanism simulation for mechanical design.