Nvidia
Yes, both Onshape and CAD Exchanger offer a Free Trial.
Onshape is designed for and undefined.
CAD Exchanger is designed for and Large Enterprises.
The starting price of Onshape begins at $1,500/User/Year, while pricing details for CAD Exchanger are unavailable.
Some top alternatives to Onshape includes Odoo PLM, FusePLM, Arena PLM, Upchain PLM, Propel PLM, Autodesk Fusion Lifecycle PLM, CIM Database PLM, KloudPLM and Trace One PLM.
Some top alternatives to CAD Exchanger includes SelfCAD, SketchUp, Intergraph Smart 3D, Navisworks, Qualified, Workvivo, Cadmatic 3D, BricsCAD, Concept3D, IFTTT and Autodesk Design Review.