LibreCAD is an open source 2D CAD application for Windows, Apple and Linux. It is based on Qt, which is a leading cross-platform application and UI development framework.
Platforms
- Mac
- Windows
- Linux
- BSD
- PortableApps.com
- Flathub
Netherlands
EU




The best open source alternative to FreeCAD is LibreCAD. If that doesn't suit you, our users have ranked more than 100 alternatives to FreeCAD and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to FreeCAD are Hew, CADCraft, OpenSCAD and FluidCAD.
LibreCAD is an open source 2D CAD application for Windows, Apple and Linux. It is based on Qt, which is a leading cross-platform application and UI development framework.




Free, open-source 3D modeler that works like SketchUp: draw on a face, push/pull, snap to what's there. Every shape is a watertight solid. Native on macOS, Windows, Linux, and in the browser. Imports .skp.



Computer-aided design and drafting; an open-source, clean-room reimplementation of Autodesk AutoCAD, rebuilt in pure Rust.


OpenSCAD is a software for creating solid 3D CAD objects. It is free software and available for Linux/UNIX, MS Windows and MacOS.




Parametric 3D CAD in browser using JavaScript scripting, fully interactive viewport editing, non-destructive feature tree control, direct geometry referencing, rapid prototyping, STEP import/export, smart defaults, minimal math, and open source availability.



SolveSpace is a parametric 3D CAD program with extrude, revolve, union and difference functions. Save/Export as DXF, PDF, SVG, STL, STEP. Mesh generation expected by most 3d printers.




BRL-CAD is a powerful cross-platform open source solid modeling system that includes interactive geometry editing, high-performance ray-tracing for rendering and geometric analysis, image and signal-processing tools, a system performance analysis benchmark suite, libraries for...



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.

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.



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.


