Lumion, TouchDesigner, Cinema 4D, meshmixer, NUKE, iClone, SketchUp 3D Warehouse, Topogun, MotionBuilder, Autodesk Mudbox, Sunny 3D, Fragmentarium, Autodesk Smoke, Houdini, Enscape3D, RigModels.com, Deep Paint 3D, Art of Illusion, AC3D, OpenFX, Twinmotion, TF3DM, Blend4Web, Archipelis 3D, Hexagon, 3D House Planner, Tattoo, Swift 3D, Pointshop3D, Animation Master, Anim8or, XYZmaker, EasyToy, ShapeShop, Vectary, Artist3D, Autodesk Combustion, poly.pizza, K-3D, Remix 3D, Metasequoia, Verge3D, messiahStudio, GroBoto, MediaGoblin, Structure Synth, RealFlow, DeleD CE, Akeytsu, Curvy 3D, Mycosm Studio, Now3D, PhotoAnim, BioBlender, Realsoft 3D, Grit Game Engine, Quidam, LipService w/LBrush for Maya, PloppSL, Simurban, VoidWorld, NukeX, Sharp Construct, Avid DS, NAIAD, MachStudio Pro, CB Model Pro, Bakery Relight, Misfit Model 3D, AutoQ3D Animation, Blacksmith3D-Morph are some alternatives to Sketchfab.