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Yes, the US Military uses the BRL-CAD platform for weapon system modeling. It is a cross-platform solid modeling system with features like:īRL-CAD can boast of something that not many other alternatives can lay claim to: It is used by the US Military. Actually, they collaborate closely with LibreCAD, the previous AutoCAD alternative on this list.įor example, LibreCAD operates under the umbrella of BRL-CAD in Google Summer of Code and Google Code-In.īRL-CAD boasts 30 years of deployment. BRL-CADīRL-CAD is yet another free and open-source alternative to AutoCAD. To download it for free, go to the download section.Īlso Read: Best Substance Painter Alternatives 3.

LibreCAD works on Windows, Mac, and Linux devices, and it is available in 30 languages.Īgain. Since it is open-source, you are free to copy and distribute it. It is entirely free to use LibreCAD – you don’t need to pay or subscribe to anything. Still, sometimes you may see it referred to as CADuntu on some older blogs and forums. LibreCAD was once known as CADuntu, but only for a few months – it was renamed as LibreCAD pretty quickly. Since it is open-source, like FreeCAD, it has a large community of developers and users behind it, who donate and contribute fixes. LibreCAD is an excellent free alternative to AutoCAD for those working on 2D models. The tutorial page can help you figure out how to use the software, and you can also go to StackExchange to ask questions and get help from others. To download the free software for your Windows, Mac, or Linux machine, go to the download page. Since it is open-source, the community of developers volunteers to find bugs and improve the software. There is an amazing community behind FreeCAD.

The ability to study robot movements in a graphical environment with the use of the Robot simulation mode.

Modular architecture allowing for plugins and add-ons for additional functionality.

A constraint solver built into the sketcher, allowing you to work on geometry constrained shapes and use 2D models as bases for 3D models.

A geometry kernel based on Open CASCADE Technology, allowing for complex 3D operations.

Here are some of the features of FreeCAD that make it so great: It also works on Windows, Mac, and Linux devices. You can also work the opposite way around: extract 2D models from 3D models.įreeCAD supports many file types, such as:

Not only is it free to use, but it is open source, which means that its source code is public and available to all to view, edit, copy, and distribute.įreeCAD is an excellent parametric 3D modeler that allows you to create 2D drawings and use them as a basis for creating 3D models. FreeCADįreeCAD, found at, is one of the best free alternatives to AutoCAD. Wrapping It Up: What Is The Best Free AutoCAD Alternative? The 10 Best Free AutoCAD Alternatives 1.

Regardless of why you need to use AutoCAD, you should be able to find a suitable alternative on this list.Īll of the AutoCAD alternatives on this list have one common denominator – they can be obtained for free. Today, I will be going over the 10 best AutoCAD alternatives you can use to draft and annotate drawings and model designs. If you are one of those people, you’re in luck – there are many AutoCAD alternatives that are cheaper and even free. That, among other reasons, causes many people to look for AutoCAD alternatives. As of now, an annual subscription costs $1,598, while a monthly subscription costs $220/month (always check the purchase page for updated pricing information, as the price is subject to change). You can create solids, surfaces, and more, and you can automate many tasks as well, such as model comparisons. Using AutoCAD, you can draft and design both 3D and 2D models.

Landscapers and other construction professionals rely on it heavily as well. Many people use AutoCAD, from engineers to architects to students to contractors. AutoCAD is a software tool that allows people to create computer-aided designs and drawings.