Yes, both Revit LT and Navisworks offer a Free Trial.
Revit LT is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Navisworks is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Revit LT Starts at $38/Month when Billed Yearly whereas for Navisworks Starts at $78/Month when Billed Yearly.
Some top alternatives to Revit LT includes Autodesk BIM 360, YouBIM, BIMx, BIM Track, Vectorworks Architect, Vectorworks Landmark, Navisworks, Archicad, ALLPLAN 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.