Yes, both Vectorworks Architect and Navisworks offer a Free Trial.
Vectorworks Architect is designed for Medium Business and Small Business.
Navisworks is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Vectorworks Architect Starts at $3,715 whereas for Navisworks Starts at $78/Month when Billed Yearly.
Some top alternatives to Vectorworks Architect includes YouBIM, SketchUp, BIMx, BIM Track, Vectorworks Landmark, Navisworks, Archicad, Revit LT, Vectorworks Designer and bimU.io.
Some top alternatives to Navisworks includes Autodesk BIM 360, YouBIM, BIMx, BIM Track, Vectorworks Architect, Vectorworks Landmark, Archicad, Revit LT and bimU.io.