Open Source Catia Alternatives
The best open source alternative to Catia is FreeCAD. If that doesn't suit you, our users have ranked more than 50 alternatives to Catia and four of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Catia are LibreCAD, MakerSCAD and OpenVSP (Vehicle Sketch Pad).
Catia alternatives are mainly CAD Software but may also be 3D Modelers or 3D Printing Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Catia.FreeCAD is a general purpose parametric 3D CAD modeler. The development is completely Open Source (LGPL License).
FreeCAD vs Catia opinions
Free, simple, many interfaces in and out (STP, IDS, STL ...), still in development, many forums and macros available. BUT some bugs remain, hopefully we can find a workaround.
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- PortableApps.com
LibreCAD (originally QCad then CADuntu) 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.
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Chrome OS
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.
Discontinued
Site certificate expired. Software itself hasn't been updated in a very long time, is incomplete, and doesn't function
OpenVSP (Vehicle Sketch Pad) is a geometry modeling tool for conceptual aircraft design. The software rapidly models aircraft configurations without expending the expertise required for traditional Computer Aided Design (CAD) packages.