The best open source alternative to SketchUp is Blender. If that doesn't suit you, our users have ranked more than 100 alternatives to SketchUp and 15 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to SketchUp are FreeCAD, MakeHuman, Dune 3D and CAD Sketcher.
A comprehensive open-source 3D software suite for modeling, UV unwrapping, texturing, rigging, and animating. It supports renderings, simulations including fluid and cloth dynamics, complex compositing, video editing, and Python scripting, running across all major operating systems.
Netherlands
EU
A powerful open-source parametric 3D modeler ideal for mechanical engineering, supporting Python scripting, running on Windows, Linux, and Mac, with modular architecture allowing extensive adaptability and use with scientific computing libraries.
GermanyEU
Free interactive open source software for swift creation of customizable 3D human models, featuring precise morph controls, realistic pose simulation, real-time editing, multi-platform export, and support for body, facial, and garment customization in many animation pipelines.
ItalyEU
Dune 3D operates as a parametric 3D Computer-Aided Design (CAD) software. It provides users with the capability to sketch and constrain both in 2D and 3D dimensions. Furthermore, it allows for the addition of chamfers and fillets to designs.
CAD Sketcher is a free and open-source project looking to enhance precision workflows in Blender by bringing CAD like tools, features and usability to Blender.
GermanyEU
SolidCraft is an open-source parametric 3D CAD application written in pure Rust. Sketch on a plane, constrain and dimension the sketch, turn profiles into solids with features on a timeline, and change a parameter to watch the whole timeline rebuild.
MakerSCAD is a web-based parametric 3D design software with a block-based programming language to create objects for 3D printing, animations, games and websites.
SlovakiaEU
CaDoodle is a local drag-and-drop CAD application for Linux (Arm,x86), WIndows (X86), and Mac (Arm,x86) and ChromeOS. Users models are stored locally, and the application runs entirely locally. CaDoodle has a drag and drop interface that is cross-trainable with TinkerCAD.
United States
Easy 3D CAD for 3D printing that runs entirely in the browser - no account, nothing to install, and designs never leave the device.
GermanyEU
Varkon is a very powerful parametric 2D/3D CAD, modeling and application development tool for engineering, design, architecture, etc. It does 2D drafting, 2D and 3D modeling, sculptured surface modeling, and even animations.
