Yes, both SelfCAD and CL3VER offer a Free Trial.
SelfCAD is designed for Individuals, Large Enterprises, Medium Business and Small Business.
CL3VER is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SelfCAD Starts at $11.99/Month when Billed Yearly whereas for CL3VER Starts at $36/User/Month when Billed Yearly.
Some top alternatives to SelfCAD includes 3D Slash, Clara.io, SketchUp, 3ds Max, ZBrush, formZ, Onshape, BricsCAD and Autodesk Design Review.
Some top alternatives to CL3VER includes 3D Slash, SelfCAD, Clara.io, SketchUp, SkyCiv, 3ds Max, Cinema 4D, Renderfy, Rapid Mockup and Concept3D.