Yes, both Autodesk BIM 360 and Navisworks offer a Free Trial.
Autodesk BIM 360 is designed for Large Enterprises, Medium Business and Small Business.
Navisworks is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Navisworks begins at $78/Month when Billed Yearly, while pricing details for Autodesk BIM 360 are unavailable.
Some top alternatives to Autodesk BIM 360 includes Procore, UDA ConstructionOnline, Contractor's Office, Contractor's Cloud, Buildertrend, CoConstruct, Remato and Autodesk Construction Cloud.
Some top alternatives to Navisworks includes Autodesk BIM 360, YouBIM, BIMx, BIM Track, Vectorworks Architect, Vectorworks Landmark, Archicad, Revit LT and bimU.io.