Yes, both Vectorworks Designer and Revit LT offer a Free Trial.
Vectorworks Designer is designed for and undefined.
Revit LT is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Vectorworks Designer Starts at $4,813 whereas for Revit LT Starts at $38/Month when Billed Yearly.
Some top alternatives to Vectorworks Designer includes YouBIM, Space Designer 3D, Vectorworks Architect, Vectorworks Landmark, Navisworks, Archicad, Revit LT, IrisVR, MasterSeries and Autodesk Design Review.
Some top alternatives to Revit LT includes Autodesk BIM 360, YouBIM, BIMx, BIM Track, Vectorworks Architect, Vectorworks Landmark, Navisworks, Archicad, ALLPLAN and bimU.io.