Open source alternatives to SketchUp

2 projects on starwire do the same job. Ranked by how much of what SketchUp does each one covers, read from its README and website. Ties go to the most active.

What SketchUp does

Quick 3D modeling with push and pullcore
Architectural and interior modelscore
Floor plans and layout drawings
3D Warehouse of ready models
Extensions and plugins
Rendering and presentation

Each dot in the table is one job, in this order. Square dots are core jobs and count double. Full means yes, half means partly. "See the evidence" under a project shows the line behind each one. Coverage is what a project documents, not how well it works or how hard it is to move to. How we score this

Project	Covers	Stars	Commits, 12 weeks	Last release	Closed vs opened	Setup	License
editor3D architectural and floor plan editor with a CLI and MCP tools	Replaces it81%	26k+121	857	2 days ago	92%	Hosted version	MIT
Covers 1 of 2 core jobs. Partly: Quick 3D modeling with push and pull; Extensions and plugins.See the evidence Quick 3D modeling with push and pullcorePartlyBuild with SDF/CSG shapes that blend, merge, and carve naturally. Architectural and interior modelscoreYesModel sites, buildings, levels, walls, slabs, roofs, openings, rooms, and furniture Floor plans and layout drawingsYestrace a floor plan set to its real scale 3D Warehouse of ready modelsYesAsset library Thousands of ready-made 3D objects. Extensions and pluginsPartlyembed them, extend them, or let AI agents drive them Rendering and presentationYesThe most eye-catching renders use these.
editor3D woodworking and modeling editor in Rust and WebGPU, a SketchUp alternative	Not checked yet	880+220	307	2 days ago	Too few	Install like an app	MIT

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