Yes, both Revit LT and Vectorworks Architect offer a Free Trial.
Revit LT is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Vectorworks Architect is designed for Medium Business and Small Business.
Pricing for Revit LT Starts at $38/Month when Billed Yearly whereas for Vectorworks Architect Starts at $3,715.
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 Vectorworks Architect includes YouBIM, SketchUp, BIMx, BIM Track, Vectorworks Landmark, Navisworks, Archicad, Revit LT, Vectorworks Designer and bimU.io.