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Yes, both CAD Exchanger and SelfCAD offer a Free Trial.
CAD Exchanger is designed for and Large Enterprises.
SelfCAD is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of SelfCAD begins at $11.99/Month when Billed Yearly, 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 SelfCAD includes 3D Slash, Clara.io, SketchUp, 3ds Max, ZBrush, formZ, Onshape, BricsCAD and Autodesk Design Review.