Yes, both Clara.io and CL3VER offer a Free Trial.
Clara.io is designed for Large Enterprises, Medium Business and Small Business.
CL3VER is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Clara.io Starts at $10/Month whereas for CL3VER Starts at $36/User/Month when Billed Yearly.
Some top alternatives to Clara.io includes 3D Slash, CL3VER, SelfCAD, SketchUp, SkyCiv, 3ds Max, Blocks, Wings 3D and SwiftXR.
Some top alternatives to CL3VER includes 3D Slash, SelfCAD, Clara.io, SketchUp, SkyCiv, 3ds Max, Cinema 4D, Renderfy, Rapid Mockup and Concept3D.