SketchUp, FreeCAD, Autodesk AutoCAD, SOLIDWORKS, Autodesk Fusion 360, Microsoft 3D Builder, LibreCAD, Autodesk Inventor, DraftSight, TurboCAD, MicroStation, Designspark Mechanical, Onshape, Autodesk 123D Design, OpenSCAD, SALOME, ImplicitCAD, OpenJSCAD.org, VARKON, Sketchup Automation Tools, Medusa4, BeckerCAD, Assetforge, progeCAD Smart, GstarCAD, Draft it, BricsCAD, IPocket Draw, AutoQ3D CAD, SolveSpace, Dune 3D, gCAD3D, SagCAD, Antimony, MacDraft, CadQuery, scribble3d, DesignFreeQ, LandCAD, HyperFun, Xenon™, MegaCAD 2D/3D, ARES Commander, pythonOCC, RapCAD, CoffeeSCAD, Precision Plan Pro, AutoQ3D Community, CScheme, Scheme Cad, AllyCAD, Cycas, Argon™, Mapsoft miniCAD are some alternatives to BRL-CAD.