The top-rated alternative to SketchUp is Blender, which is free and open source. People also recommend FreeCAD, Autodesk AutoCAD, Sweet Home 3D and Shapr3D. 3D Modelers like SketchUp are a crowded field, with more than 100 alternatives for Windows, Mac, the web, Linux and iPad.
General purpose 3D solids and surface modeler
form•Z, the 3D form synthesizer, is above all a 3D modeling program, even though it also includes drafting, rendering and animation. Additional photorealistic rendering is offered by form•Z RenderZone Plus.
It is a general purpose.
United States
GstarCAD is well-known alternative CAD software of high compatibility with ACAD. With 27 years of continuous improvement and innovation, today GstarCAD is far ahead in performance, stability and becomes leading CAD software in the world.
China
K-3D is free-as-in-freedom 3D modeling and animation software. It features a plugin-oriented procedural engine for all of its content, making K-3D a very versatile and powerful package.
Design, analyze, document, and visualize buildings of any size, form, and complexity. Effectively communicate design intent and bridge barriers between building disciplines and geographically distributed teams.
The software’s particular strength lies in the three-dimensional general arrangement and reinforcement design. With this, the building construction is carried out in advance, so that discrepancies and conflicts are already visible in the planning phase.
Free browser-based parametric CAD for 3D printing. Model, repair and export print-ready STL, 3MF, OBJ, GLB, STEP and DXF. No install, no account.
Canada
Floor planner, decor in 3D, and render interior design projects in minutes. With Coohom you can go from idea to fully customized design & photo-realistic rendering in minutes using a floor planner.
China
Homebyme, Free online software to design and decorate your home in 3D. Create your plan in 3D and find interior design and decorating ideas to furnish your home
nanoCAD is a pro-grade 2D CAD system with native DWG support and full customizability. It is totally free, for business, professional, or personal purposes. It is fast, lightweight, capable, and , unlike most free CAD programs, completely uncrippled. nanoCAD includes:
Russia
Rayon is a web-based collaborative architectural design tool. It supports various file formats, including PDF, CAD documents, and image files, allowing for diverse uses like image-based surface styling.
Unifies product concepting, modeling, and surface refinement with subdivisional modeling, automated mesh surfacing, algorithmic tools, immersive VR design, assembly management, VRED integration, and seamless collaboration across disciplines in a single design pipeline.
United States
