Top 10 Best Free CAD Software in 2021

CAD software is a crucial tool to use when you’re trying to design something. If your preferred CAD program isn’t free, it may be worth the price of admission just for the convenience and ease-of-use or an open-source alternative like LibreCAD that’s available as both a desktop app Windows and web application.

The “freecad” is a free and open source computer-aided design software. It can be used to create 2D and 3D models, perform mechanical analysis, simulate physical processes, and more.

If you haven’t noticed, Computer-Aided Design (CAD) is leading the charge to move the globe ahead. CAD aids in the design of almost anything, from little electrical devices to enormous dams, buildings, and other structures. The cost of CAD has steadily climbed over time, making it impossible for many individuals to afford it. Similarly, it has become a faraway dream for students who are studying it as a side job or who can afford to acquire pricey CAD software. To assist such students, we have compiled a list of the best 10 free CAD software for 2021. These free CAD are just as good as purchased CAD, therefore without further ado, let’s get started on the list.

Top 10 Free CAD Software in 2021

The 10 Best Free CAD Programs

  • Tinkercad
  • FreeCAD
  • SketchUp
  • ZBrushCoreMini
  • LibreCAD
  • OpenSCAD
  • AutoCAD
  • 360-degree fusion
  • NanoCAD
  • Onshape

Tinkercad is a free 3D modeling program.

Free CAD Software Tinkercad

It is a free CAD program that simply needs access to the internet to function. If you don’t have CAD software on your PC, the best option is to obtain a fast internet connection and start utilizing Tinkercad online. It aids with the creation of basic 3D models. Tinkercad online is the greatest option if you don’t have access to all of the CAD capabilities. Tinkercad allows you to create 3D models, code blocks, electrical designs, and many other amazing things. If you are a newbie, you will be given a thorough lesson before using the program, so don’t worry.

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2. CAD for free


If you’re new to CAD, FreeCAD is one of the better options. It is, as the name implies, completely free and quite popular among both novices and pros. It is simple to use for individuals who are already familiar with CAD operations. Surprisingly, while being a free resource, it has all of the professional features and assists you in achieving the greatest outcomes. You may go back and change your work, as well as add plug-ins, thanks to features like Parametric Model and Modular Architecture.

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SketchUp (version 3)


SketchUp is another free CAD program that can be used to create 3D models. Interior designers, engineers, architects, and video game designers are among the many sectors that employ this program. Although this is a commercial program, it has a free tier for students and individuals who use it for personal reasons. It is important to note, however, that the free version is only available on digital platforms. It allows you to create 3D models, store them, and render them as DWG files. The availability of an open-source collection of 3D models shared by other users is one of the nicest advantages.

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4. ZBrushCoreMini is a miniature version of ZBrush.


If you are looking for free CAD software that focuses on 3D Sculpting & 3D Modelling, ZBrushCoreMini might be the best choice for you. This software had been made by Pixologic, one of the leaders in the technological industry. If you are already aware of the basics of designing, learning to use this software will be an easy task for you. The various tools included in this help you attain a greater level of creative designing. If you want to extend the features for designing, it can be done by using the plug-ins offered by this software. Overall, it is a great choice for both beginners and professionals.

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LibreCAD is number five.


LibreCAD, a 2D modeling program, is another top free CAD software on our list. It is compatible with macOS, Windows, and Linux. This open-source CAD program may be used for both personal and business purposes. Ray-tracing for rendering and analysis, geometry design, and many more features are included. It has a flexible interface that allows you to create the greatest 2D drawings and mathematical figures possible. It supports the DWF and DWG file formats to allow you save your projects from other CAD software. It also allows you to use a third-party plugin. 

OpenSCAD is a free open-source CAD program.


This program may be simple to use if you are familiar with utilizing a textual description language to create 3D CAD models. This program may be required for a variety of activities, particularly if you work in a professional industry. You must be quite detailed while providing the descriptions. You don’t have to be concerned, however, since it comes with a large number of informative paperwork. If you find this program beneficial, you should use it since its primary goal is to improve user experience. It’s compatible with Linux, Windows, and Mac OS X.

AutoCAD is number seven.


This 3D modeling program has been used in a variety of sectors for a long time and requires no introduction. Because it is part of the Autodesk family, it is too pricey for many students. However, the organization recognizes that students cannot afford to pay such a high price to study and assist them. AutoCAD provides a premium package for students that allows them to use it for free for a year under the terms of a student license. You won’t have to worry about acquiring a free version since it has almost all of the same great features as the premium version.

8. 360-degree fusion


This software is developed by Autodesk and is available free of cost for users. To assist you in making reliable and best computer-aided designs, 360-degree fusion offers various fascinating features. It is also one of the best creative designing apps for students as well as for hobbyists. The use of 360-degree fusion will help you in further enhancing your knowledge about the tools, which makes it the best for beginners. Apart from this, it also allows you to do everything simultaneously. For instance, you can create 3D designs, compile them with geometrical shapes, run simulations, and share or render them to others.

NanoCAD (Nano Computer Aided Design)


Although it is not fully free, we put it in the list because of its low cost when compared to other commercial CAD software. It’s a great tool for quickly producing 2D and 3D models and designs. Regardless of your business, the tools on this website provide a variety of drawing grafting extensions, making them accessible to anyone. You will have no trouble relocating your project to another location in the future since it supports DWG file format.

Onshape (#10)


Onshape is one of many innovative and inventive software programs that are being created as technology advances. It is a free CAD program that supports contemporary technologies and is recommended for design repositories and assembly. Instead of being installed on each computer, it is cloud-based software that allows anybody to view designs from anywhere. You won’t have to worry about losing any designs if you utilize this CAD program. All you need is a robust and reliable internet connection to get started with your 3d modeling adventure.

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If you’re a student who doesn’t want to pay excessive fees for commercial CAD software, one of the free options on our list will suffice. To generate 2D and 3D models, you may use any of the free CAD tools available.

Free CAD Software Frequently Asked Questions

1. May you tell me where I can get a free AutoCAD program?

Yes, with so many options for free CAD software, you should be able to choose one from our list.

2. Is the program FreeCAD really free?

Yes, FreeCAD is really free program with a plethora of useful features.

The “best cad software” is a term that has been used for decades to describe the most popular CAD software. In 2021, it will be interesting to see which programs will make this list.

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