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Yes, both CAD Exchanger and SketchUp offer a Free Trial.
CAD Exchanger is designed for and Large Enterprises.
SketchUp is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of SketchUp begins at $119/Year, while pricing details for CAD Exchanger are unavailable.
Some top alternatives to CAD Exchanger includes SelfCAD, SketchUp, Intergraph Smart 3D, Navisworks, Qualified, Workvivo, Cadmatic 3D, BricsCAD, Concept3D, IFTTT and Autodesk Design Review.
Some top alternatives to SketchUp includes Vectary, 3D Slash, SelfCAD, Clara.io, Giraffe, 3ds Max, Archicad, Revit LT and Lumion.