If you've spent any time looking for CAD software, you've probably discovered that the word free needs careful reading. Some packages are free only for students. Others restrict commercial work, limit features or eventually require a subscription. FreeCAD is different.
Quick answer
Yes. FreeCAD really is free and open-source software. You can download and use it for personal, educational and commercial work without buying a subscription. The FreeCAD project states that the files and data you create are yours. That doesn't mean FreeCAD is automatically the best CAD package for every job, but there isn't a hidden paid version waiting to unlock the “real” modelling tools.
What does “free” actually mean?
FreeCAD is distributed under the GNU Lesser General Public License (LGPL), version 2 or later. In practical terms for an ordinary CAD user, you can install and use the software without paying FreeCAD a licence fee, including for commercial work.
This is fundamentally different from a commercial product offering a free trial or a restricted personal-use licence. FreeCAD is an open-source project developed and maintained by a community rather than a conventional software company selling progressively higher subscription tiers.
If you modify, redistribute or bundle the FreeCAD software itself, the licence conditions become more relevant and you should read them properly. But simply using FreeCAD to design something does not make your design open source.
Can I use FreeCAD for commercial work?
Yes. The software can be used for commercial as well as non-commercial work. The FreeCAD manual also makes clear that the files you produce with it are yours.
That is an important distinction if a hobby project develops into something you sell. With some free CAD licences, becoming commercial can change your eligibility. Using FreeCAD itself does not create that same transition from a free personal licence to a required commercial subscription.
Of course, software licensing is only one part of commercial engineering. Standards, intellectual property, certification, product safety and the licences attached to third-party models or add-ons can create separate obligations.
So how does FreeCAD make money?
FreeCAD isn't built around a normal software-subscription business model. Development is carried out by contributors and supported by the wider FreeCAD community and the FreeCAD Project Association. Users who find the software valuable can support the project, but paying is not a condition of using the CAD package.
That community model is one reason FreeCAD can feel different from commercial CAD. There is no sales department deciding which feature belongs in which subscription tier, but neither is there a conventional commercial support organisation behind every user.
What can you actually make with FreeCAD?
For a beginner, the answer is considerably more than the word “free” might suggest.
You could start with a simple mounting bracket: sketch its basic profile, constrain and dimension the geometry, pad it into a solid, add holes and finish the edges with fillets or chamfers. That single exercise introduces many of the principles used in professional parametric CAD.
From there you can progress into more involved mechanical components, multiple-part assemblies and engineering drawings. FreeCAD also has tools and community add-ons aimed at areas including sheet metal, gears, architecture/BIM, finite-element analysis and manufacturing.
For 3D printing, you can model a component parametrically and export geometry in formats suitable for the next stage of the printing workflow. For CNC work, FreeCAD includes CAM capabilities and its 1.1 series introduced a redesigned CAM tool-library system.
Workbenches are an important part of FreeCAD
FreeCAD groups tools into workbenches. A workbench concentrates on a particular type of activity rather than putting every possible command into one enormous interface.
This can initially be confusing to somebody coming from another CAD package. You may wonder why a tool you expect to see isn't visible, only to discover that it belongs to another workbench.
Once the idea makes sense, however, it also provides considerable flexibility. FreeCAD has an Addon Manager and a large ecosystem of community-developed workbenches and macros that extend the core application.
There is an important caveat: third-party add-ons can have licences, maintenance standards and release cycles of their own. “It works with FreeCAD” doesn't automatically mean it is maintained by the core FreeCAD project.
Do my FreeCAD files stay on my computer?
FreeCAD is well suited to people who prefer a traditional locally installed CAD application and local control of their files. It does not require you to adopt a cloud-based document system simply to use the modelling software.
That can matter in workshops, on unreliable internet connections, or simply to users who prefer deciding for themselves where project data is stored and backed up.
It also means you need a sensible backup system. Local control is useful, but a file existing only on one computer isn't a backup strategy.
What's the catch?
The catch isn't a hidden bill. It is that free and open source doesn't automatically mean easier, more polished or better suited to every organisation.
Commercial CAD packages can offer tightly integrated ecosystems, formal vendor support, established industry workflows, specialist modules, managed collaboration and large training networks. If an employer, customer or supply chain standardises on another CAD system, compatibility and workflow requirements may matter far more than licence cost.
FreeCAD's workbench approach and community ecosystem can also mean a steeper learning curve in places. Documentation, tutorials and add-ons can vary in age and presentation, and an experienced user of another CAD system may need time to adapt to FreeCAD's way of working.
None of those points makes FreeCAD unsuitable. They are simply reasons not to choose engineering software on price alone.
Is FreeCAD suitable for learning CAD?
For learning the principles of parametric modelling, it can be an excellent place to start. Sketch constraints, dimensions, features, design intent, assemblies and drawings are concepts that matter beyond any single software package.
If you're studying engineering formally, however, there is also value in learning whatever CAD system your training provider or employer actually uses. Being able to receive help, share native files and practise the same workflow used in the classroom or workplace can outweigh the attraction of choosing a different package simply because it is free.
FreeCAD can still be useful alongside that software, particularly if you want an unrestricted CAD package on your own computer.
FreeCAD compared with “free” commercial CAD
This is where the terminology matters most. A commercial CAD company can offer a very useful free licence, but that licence may specify who qualifies, what the software can be used for and which features are included.
FreeCAD doesn't work that way. The core application isn't a reduced edition designed to lead you towards a premium FreeCAD subscription.
If you're considering Autodesk Fusion as another low-cost route into parametric 3D modelling, we've looked at the differences in much more detail in our FreeCAD vs Autodesk Fusion beginner comparison.
Should you try it?
If you're curious about parametric CAD, there is very little downside to trying FreeCAD. Don't decide whether you like it by opening the program and clicking around for ten minutes. Give yourself a small, achievable project.
Model a bracket, spacer, bearing housing or another simple component. Fully constrain the sketches, create the features and then change one of the important dimensions. Seeing the model update is a much better introduction to parametric CAD than simply exploring menus.
If it suits the way you think and the work you want to do, you can keep using it without worrying that your learning time is being invested in a trial that's about to expire.
Visit the official FreeCAD website →