The 11 Best Free CAD Software in 2024

Have you always dreamed of bringing your designs to life but felt limited by expensive software? Here’s how free computer-aided design (CAD) software can fulfill those dreams.

Free CAD software comprises rich 2D drawing, 3D modeling, parametric design, open-source customizability, and assembly capabilities. It is suitable for beginners who want to learn and experiment, as well as experienced designers looking for customization and efficient design iterations.

This list is aimed at anyone who wants to give free rein to their creativity without breaking the bank. We closely examine the best free CAD software 2024, provide detailed test reports, and compare the pros and cons in a clear table. Our goal is to equip you with all the information you need to find the perfect software to meet your needs.

How did we select and evaluate the best free CAD software?

At G2, we rank software solutions using a proprietary algorithm that considers customer satisfaction and market presence based on authentic user reviews. Our market research analysts and writers spend weeks testing solutions against multiple criteria set for a software category. We give you unbiased software evaluations - that's the G2 difference! We don’t accept payment or exchange links for product placements on our list. Please read our G2 Research Scoring Methodology for more details.

The top 11 best free CAD software of 2024

The free CAD software list below contains real user reviews from our best general-purpose CAD software category page. It’s important to note that in the context of this list, software that requires payment after a free trial is considered free. To be included in this category, a solution must:

• Have 2D technical drawing capabilities
• Have 3D modeling capabilities
• Be applicable across several industries

This data was pulled from G2 in 2024. Some reviews may have been edited for clarity. 

1. AutoCAD

AutoCAD isn't just about drafting; it's a comprehensive design environment. It allows customization through custom menus, palettes, and automation for a user-friendly and efficient workflow. Collaboration is a breeze with cloud-based features, allowing seamless sharing and design iteration with colleagues. AutoCAD also contains an extensive library of industry-specific tools and features, catering to the specific needs of architects and mechanical engineering professionals.

What users like best:

“AutoCAD is super productive for 2D drawings (drafting and annotation). It allows you to create very large and complex technical drawings, including building plans, blueprints, and multiple drawings, with less fear of errors due to broken relationships, a peculiarity of parametric design software. AutoCAD's unique abilities, like using layers, blocks, Xrefs, and Osnaps, significantly improve your overall drafting experience.”

- AutoCAD Review, Ofonime W.

What users dislike:

“Some of the exporting and printing settings can be a bit confusing, especially when scaling models/plans to different paper sizes.”

- AutoCAD Review, Darryl Rey C.

2. SketchUp

SketchUp is a user-friendly 3D modeling software that empowers you to create anything imaginable. Unlike some complex 3D CAD programs, SketchUp uses a "push and pull" method, allowing direct alterations to orientations in a solid model, making it easy to build 3D shapes from scratch. With its vast library of pre-made 3D models, you can drag and drop furniture, buildings, and more into your designs. SketchUp is perfect for beginners and professionals – offering a balance of power and ease of use.

What users like best:

“I had been using CAD software for a couple of years before I tried SketchUp. I've since completely stopped using those other programs. SketchUp is the best, most intuitive piece of software I've ever used. SketchUp seems to have been built from the ground up on a completely new foundation. At first use, I was a little confused, but five minutes later, I was amazed. Two weeks after I started using SketchUp, I had completed a full house rendering and kitchen remodel.

I could not recommend this product more. It's exciting to work with a piece of software that has so much to offer.”

- SketchUp Review, Jonathan A.

What users dislike:

“Sketchup has performance issues large and complex models can cause SketchUp to slow down or crash, especially on less powerful computers. Mastering advanced extensions, tools, and plugins can take time.”

- SketchUp Review, Anshika S.

3. Onshape

Onshape is a cloud-based platform that lets you design anything from anywhere, accessible on any device. Collaborate in real-time with your team, eliminating version control headaches. Onshape contains features like real-time editing, built-in version control, and robust data management within a secure cloud environment. It is ideal for design teams seeking a collaborative and accessible 3D modeling experience.

What users like best:

“The intuitive functionality is supported by a comprehensive library of courses, allowing me to teach myself CAD from scratch and design complex prototype parts ready for 3D printing and injection molding. Onshape is suitable for experts without the barriers for non-experts to develop their skills and produce fantastic results.”

- Onshape Review, Alan H.

What users dislike:

“The main downside is Onshape's speed. Since it is in the cloud, its performance is not as snappy as that of a local CAD system like Solidworks. This is mainly seen in assemblies. The second downside is part of its feature: documents. Documents can get bogged down quickly with part studios, assemblies, and derived parts.”

- Onshape Review, Sebastian S.

4. AutoCAD LT

AutoCAD LT is the leaner sibling of AutoCAD, focusing on precise 2D drafting. It is designed for architects, engineers, and designers who prioritize detailed technical drawings. While lacking 3D modeling capabilities, AutoCAD LT consists of robust 2D drafting tools, annotation features, and compatibility with AutoCAD files. It offers a more affordable alternative to the full AutoCAD suite, making it a valuable option for those needing powerful 2D drafting without the full 3D feature set.

What users like best:

“AutoCAD LT has a very user-friendly interface. The overall speed of the product is also impressively smooth and fast. Ultimately, this translates to enhanced productivity.”

- AutoCAD LT Review, Nilesh C.

What users dislike:

“While AutoCAD LT offers a wide range of 2D drafting and design tools, its capabilities for 3D modeling are limited. Improving the platform's 3D modeling capabilities could make it more appealing to more users.”

- AutoCAD LT Review, Jeremy N.

5. Solid Edge

Solid Edge is a powerful CAD platform that combines the speed and ease of direct modeling with the control and flexibility of parametric design. This synchronous technology lets you change your model and see the updates ripple throughout the design. Solid Edge comprises features like simulation tools, generative design, and reverse engineering, making it a versatile option for product development across various industries.

What users like best:

“The best feature of Solid Edge is the uniformity of the menu system and the way that the commands work with the selection of the graphic objects. This theme is carried throughout the various modules of the product.”

- Solid Edge Review, Kurt V.

What users dislike:

“The pattern command is slightly confusing to use, and you have to see the tutorial for the curved pattern before you use it. Also, sharing files with users of previous software versions is impossible. Additionally, workflows can be difficult for new users.”

- Solid Edge Review, Ollie M.

6. MicroStation

MicroStation goes beyond just 2D and 3D drafting. It's a comprehensive CAD solution for infrastructure design. You can create precise geospatial-enabled drawings for roads, bridges, and other projects, as well as collaborate seamlessly with project teams using a common platform. MicroStation boasts advanced features for analyzing designs, generating realistic visualizations, and managing project information.

What users like best:

“I love that MicroStation is easy to use; as a beginner and a frequent user, I find it useful and easy to implement. It is compatible with most file formats, which helps to integrate with other design tools. It is a highly productive tool, so I believe it offers good value for money. It is a reliable and versatile design software that can handle various tasks.”

- MicroStation Review, Ankit K.

What users dislike:

“Customizing some tools can be quite challenging, and the commands can be complex or difficult to understand. Additionally, I believe MicroStation can be expensive for an individual user.”

- MicroStation Review (Translated), Alexis T. 

7. Autodesk Fusion

Autodesk Fusion combines 3D modeling, sculpting, simulation, and even printed circuit board (PCB) design in one cloud-based platform. Imagine sketching an idea, sculpting it into a detailed model, then testing its performance. Fusion has a robust collection of collaboration tools, allowing your design teams to work together seamlessly on projects instantaneously.

What users like best:

“The best part of Fusion is the measurement toggle. It enables me to achieve precise lengths and shapes for my projects. I'm also very impressed with the quality of DXF file imports during my workflow.”

- Autodesk Fusion Review, Md T.

What users dislike:

“Fusion crashes during a modeling operation or while generating a drawing from the design. Additionally, deleting design data/files can sometimes be difficult because they might be linked to a specific design version, making it tedious to track down and delete. Unfortunately, Fusion 360 cannot integrate with Vault Pro. As a result, I have to adopt a different PLM system.

Fusion is unsuitable for heavy mechanical designs or projects involving multi-body sheet metal design.”

- Autodesk Fusion Review, Ofonime W.

8. DraftSight

DraftSight is a cost-effective alternative to professional CAD software, with impressive 2D drafting and DWG editing capabilities. Its familiar interface makes the transition seamless for users already comfortable with AutoCAD. DraftSight allows you to create, edit, and share 2D technical drawings, blueprints, and schematics with ease. It also offers basic 3D capabilities for adding depth to your designs, making it a versatile tool for various drafting needs.

What users like best:

“DraftSight has all the functionality of very expensive competitive software at a fraction of the cost. I use it both at home and work. It accomplishes everything I need without the hassle of the more expensive versions. Since it uses the same commands and processes as AutoCAD, I didn't have to learn a new way of doing things.”

- DraftSight Review, Denny W.

What users dislike:

“Layer management could use a redesign. It is too cumbersome to move, freeze, or delete layers currently.”

- DraftSight Review, Joseph J.

9. ZWCAD

ZWCAD is an agile, powerful, and versatile 2D CAD solution for architects, engineers, and designers in the AEC and manufacturing industries. Its lightning-fast performance, innovative capabilities, and comprehensive collection of tools help practitioners effortlessly bring their creative visions to life.

What users like best:

"This software is incredibly user-friendly. I can complete my projects faster than with CAD software, such as AutoCAD. The tool is highly efficient, and I can work with it without experiencing any loading issues. Even when opening large files, it operates smoothly. The layout tab performs flawlessly, even on low-configuration computers. Integration with other tools is seamless. I have successfully implemented this software in my structural drafting work and use it for every project. Additionally, I have received excellent customer support whenever needed .”

- ZWCAD Review, Shakil A.

What users dislike:

“Although it is faster, ZWCAD often crashes in some unexpected situations. Even though ZWCAD has a backup function in the previous session, a clearer direction and guide should be given to retrieve the backup file.”

- ZWCAD Review, Lee Z.

10. Inventor

Engineers can rely on Inventor for a complete 3D design experience. This CAD software makes creating detailed mechanical parts, assemblies, and simulations achievable within a single platform. Inventor comprises profitable features like parametric modeling for flexible design changes, powerful simulation tools to test performance, and native DWG compatibility for seamless collaboration. It is ideal for product design, machine building, and any project requiring precise mechanical modeling.

What users like best:

“Inventor is my go-to tool for machine design. It offers many features that streamline my workflow, including design accelerators, frame generators and analysis, iLogic features, and design automation. Additionally, Inventor integrates perfectly with Vault for data management.”

- Inventor Review, Ofonime W.

What users dislike:

“ Inventor requires high system requirements for optimal performance. Additionally, it has limited compatibility with non-Autodesk file formats.”

- Inventor Review, Pavan T.

11. Shapr3D

Shapr3D goes beyond its reputation for mobile 3D sketching. Its intuitive CAD tools empower design and manufacturing teams to tackle complex projects quickly and efficiently. Unlike traditional CAD, Shapr3D boasts a non-hierarchical structure, making it easy for everyone to contribute, regardless of experience. Plus, its multi-device functionality allows seamless collaboration and design iteration.

What users like best:

“I really like the program's connection with my iPad. I use Shapr3D daily, and it's very easy to implement and integrate it into my work process. It's very easy to create my ideas from simple sketches. Creating the designs with my hand and my Apple Pencil is easy. There's no better interaction than this when it comes to capturing ideas. The customer support is amazing. There is a huge community.”

- Shapr3D Review, Juan Felipe C.

What users dislike:

“I find the layout features very impressive but a bit rigid. More freedom, especially for view development, would be beneficial. Drawing and hatching are basic functionalities that shouldn't be missing for architectural and interior design. Finally, improved handling of bitmaps in visualization is crucial. Even basic tasks like texture rotation should be possible.”

- Shapr3D Review, Juan Camilo G.

Comparison of the best free CAD software 

If you feel overwhelmed by the wealth of information about the above list of free CAD software, this comparison table will help you with all the important aspects:

Frequently asked questions on best free CAD software

Q1. What are the system requirements for running free CAD programs?

The system requirements for free CAD vary, but most programs require a 64-bit operating system like Windows, Mac, or Linux. To run them efficiently, you will need at least 4GB RAM and a decent graphics card. Check the software's website for specifics and aim for a newer computer for a smoother experience.

Q2. Can you export designs from a free CAD program to use in a different software?

Exporting from free CAD is possible but with some caveats. Many programs offer common formats like STL and DXF for 3D printing and other CAD software. Always check the software's exporter for supported formats. Complex designs may not always translate perfectly due to software differences, so ensure compatibility by simplifying intricate models before exporting them.

Q3. What are the limitations of free CAD software?

While free versions of CAD software offer several benefits, there are also some limitations:

• Some free CAD programs’ user interfaces can be complex and difficult to navigate.
• While many free CAD programs offer a wide range of features, they may not have all the features in commercial software.
• Free CAD software may come with lower support than their paid counterparts.

Q4. How do you choose the right free CAD software?

Picking the perfect free CAD tool is like finding the design holy grail. Here is what you can consider:

• Identify what you're creating (3D models or 2D plans) to find software that meets your project needs.
• Beginner, hobbyist, or a design expert? Pick software that matches your level.
• Prioritize must-have features like sculpting tools or file compatibility.
•  Use this listicle, user reviews, and software sites to compare strengths and weaknesses.
• Free software can get complex, especially if you are new to it. Choose user-friendly options.

Make sure that you future-proof your pick. Will you need advanced features later on? Consider upgradable CAD software.

Take flight of your design dreams

Remember, even the most user-friendly software has a learning curve. Don't hesitate to take advantage of the wealth of online tutorials, communities, and documentation available for your chosen software. We hope this list of the best free CAD software helps you find the right solution!

Looking to explore more design tools?

Find the right building design and building information modeling (BIM) software to assist with your CAD software.

Edited by Monishka Agrawal