2 Open Source Alternatives to Onshape

A list of 2 carefully selected open-source alternatives to Onshape.

Created by

Adrian

Mar 9, 2025Updated•3 min read

The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.

If you’re looking for alternative features or workflows, here is a prepared detailed list of Onshape open-source alternatives — each with its own distinctive strengths and key features.

FreeCAD

23,397

4,414

FreeCAD is a free and open-source 3D parametric modeler that enables users to design real-life objects of any size. It provides a versatile platform tailored for professionals, educators, and hobbyists alike, allowing easy modifications through its dynamic parametric approach.

Key Features

3D parametric modeling for dynamic design modifications
Converts 2D sketches into full 3D models
Multiplatform compatibility (Windows, Mac, Linux)
Extensive support for open file formats (STEP, IGES, STL, etc.)
Modular workbenches for simulation, analysis, and specialized tasks
Community-driven open source development

FreeCAD offers a robust environment for creating and editing detailed 3D models with a strong focus on parametric design. Users can generate complex geometry from constrained 2D sketches and take advantage of modular workbenches tailored to tasks like FEA, CFD, BIM, and CAM/CNC. Its ability to integrate with various file formats ensures smooth incorporation into diverse workflows across mechanical engineering, architecture, and product design.

Learn more about FreeCAD

Solvespace

3,351

506

Solvespace is a parametric 2D/3D CAD tool that delivers robust design and modeling capabilities. It equips both beginners and professionals with resources such as tutorials, examples, and a demo video to master its features.

Key Features

Parametric modeling for both 2D sketches and 3D models
Extensive tutorials, examples, and documentation
Integrated constraint solving and flexible design parameters
Active community forum and comprehensive resource library

Solvespace enables users to create intricate 2D sketches and generate complex 3D models using advanced parametric constraints. The tool offers an array of learning materials, including examples, tutorials, and reference guides, to facilitate a smooth design process. With integrated constraint solving, a comprehensive library, and an active forum, Solvespace supports creative engineering and design workflows.

Learn more about Solvespace

About Onshape

Onshape is a leading product development platform that offers a comprehensive range of tools for every stage of the product development process. From conception to production, Onshape brings together all the necessary features in one cloud-native CAD and PDM solution. With Onshape, you can design better products faster and eliminate bottlenecks by streamlining collaboration and working from any device. The platform offers cloud-native solutions for even the most complex use cases, automatically upgrading and providing 24/7 stable and reliable CAD. This enables your team to focus more on product design and less on administrative tasks. Onshape also offers a range of benefits, including the power of cloud computing, real-time collaboration tools, and integrated PDM, all at an affordable price. It is widely preferred by agile companies and is trusted by millions of students and educators for anywhere CAD access. Experience the freedom, efficiency, and security of Onshape today. Request a demo and start developing your products better, faster, and smarter.

Similar Alternatives

Autodesk

Autodesk is changing how the world is designed and made. Our technology spans architecture, engineering, construction, product design, manufacturing, media, and entertainment, empowering innovators everywhere to solve challenges big and small.

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