# Top 10 OpenSim Alternatives & Competitors **Average Rating:** 4.2/5 **Total Number of Reviews:** 22 Research alternative solutions to OpenSim on G2, with real user reviews on competing tools. Other important factors to consider when researching alternatives to OpenSim include ease of use and reliability. The best overall OpenSim alternative is MATLAB. Other similar apps like OpenSim are SOLIDWORKS, Inventor, Onshape, and Designcenter Solid Edge. OpenSim alternatives can be found in [Simulation & CAE Software](https://www.g2.com/categories/simulation-cae) but may also be in [Mechanical Computer-aided Design (MCAD) Software](https://www.g2.com/categories/mechanical-computer-aided-design-mcad) or [Data Science and Machine Learning Platforms](https://www.g2.com/categories/data-science-and-machine-learning-platforms). ## Best Paid & Free Alternatives to OpenSim - [MATLAB](https://www.g2.com/products/matlab/reviews) - [SOLIDWORKS](https://www.g2.com/products/solidworks/reviews) - [Inventor](https://www.g2.com/products/inventor/reviews) - [Onshape](https://www.g2.com/products/onshape/reviews) - [Designcenter Solid Edge](https://www.g2.com/products/designcenter-solid-edge/reviews) - [Autodesk Fusion](https://www.g2.com/products/autodesk-fusion/reviews) - [SimScale](https://www.g2.com/products/simscale/reviews) - [CATIA](https://www.g2.com/products/catia/reviews) - [Creo](https://www.g2.com/products/creo-2025-08-26/reviews) - [Simcenter 3D](https://www.g2.com/products/simcenter-3d/reviews) ## Top 10 Alternatives to OpenSim Recently Reviewed By G2 Community Browse options below. Based on reviewer data, you can see how OpenSim stacks up to the competition, check reviews from current & previous users in industries like Mechanical or Industrial Engineering, Medical Devices, and Alternative Medicine, and find the best product for your business. ### 1. [MATLAB](https://www.g2.com/products/matlab/reviews) By MathWorks **Average Rating:** 4.5/5 **Total Reviews:** 770 MATLAB is a high-level programming and numeric computing environment widely utilized by engineers and scientists for data analysis, algorithm development, and system modeling. It offers a desktop environment optimized for iterative analysis and design processes, coupled with a programming language that directly expresses matrix and array mathematics. The Live Editor feature enables users to create scripts that integrate code, output, and formatted text within an executable notebook. Key Features and Functionality: - Data Analysis: Tools for exploring, modeling, and analyzing data. - Graphics: Functions for visualizing and exploring data through various plots and charts. - Programming: Capabilities to create scripts, functions, and classes for customized workflows. - App Building: Facilities to develop desktop and web applications. - External Language Interfaces: Integration with languages such as Python, C/C++, Fortran, and Java. - Hardware Connectivity: Support for connecting MATLAB to various hardware platforms. - Parallel Computing: Ability to perform large-scale computations and parallelize simulations using multicore desktops, GPUs, clusters, and cloud resources. - Deployment: Options to share MATLAB programs and deploy them to enterprise applications, embedded devices, and cloud environments. Primary Value and User Solutions: MATLAB streamlines complex mathematical computations and data analysis tasks, enabling users to develop algorithms and models efficiently. Its comprehensive toolboxes and interactive apps facilitate rapid prototyping and iterative design, reducing development time. The platform's scalability allows for seamless transition from research to production, supporting deployment on various systems without extensive code modifications. By integrating with multiple programming languages and hardware platforms, MATLAB provides a versatile environment that addresses the diverse needs of engineers and scientists across industries. Reviewers say compared to OpenSim, MATLAB is: - More expensive - Better at support - More usable Categories in common with OpenSim: [Simulation & CAE](https://www.g2.com/categories/simulation-cae) **Compare:** [OpenSim vs MATLAB](https://www.g2.com/compare/matlab-vs-opensim) **Compare MATLAB with other alternatives:** - [MATLAB vs SOLIDWORKS](https://www.g2.com/compare/matlab-vs-solidworks) - [MATLAB vs Inventor](https://www.g2.com/compare/inventor-vs-matlab) - [MATLAB vs Onshape](https://www.g2.com/compare/matlab-vs-onshape) - [MATLAB vs Designcenter Solid Edge](https://www.g2.com/compare/designcenter-solid-edge-vs-matlab) - [MATLAB vs Autodesk Fusion](https://www.g2.com/compare/autodesk-fusion-vs-matlab) - [MATLAB vs SimScale](https://www.g2.com/compare/matlab-vs-simscale) - [MATLAB vs CATIA](https://www.g2.com/compare/catia-vs-matlab) - [MATLAB vs Creo](https://www.g2.com/compare/creo-2025-08-26-vs-matlab) - [MATLAB vs Simcenter 3D](https://www.g2.com/compare/matlab-vs-simcenter-3d) ### 2. [SOLIDWORKS](https://www.g2.com/products/solidworks/reviews) By Solidworks **Average Rating:** 4.5/5 **Total Reviews:** 643 SOLIDWORKS offers complete 3D software tools that let you create, simulate, publish, and manage your data. SOLIDWORKS products are easy to learn and use, and help you design products better. Reviewers say compared to OpenSim, SOLIDWORKS is: - More expensive - Better at support - More usable Categories in common with OpenSim: [Simulation & CAE](https://www.g2.com/categories/simulation-cae) **Compare:** [OpenSim vs SOLIDWORKS](https://www.g2.com/compare/opensim-vs-solidworks) **Compare SOLIDWORKS with other alternatives:** - [SOLIDWORKS vs MATLAB](https://www.g2.com/compare/matlab-vs-solidworks) - [SOLIDWORKS vs Inventor](https://www.g2.com/compare/inventor-vs-solidworks) - [SOLIDWORKS vs Onshape](https://www.g2.com/compare/onshape-vs-solidworks) - [SOLIDWORKS vs Designcenter Solid Edge](https://www.g2.com/compare/designcenter-solid-edge-vs-solidworks) - [SOLIDWORKS vs Autodesk Fusion](https://www.g2.com/compare/autodesk-fusion-vs-solidworks) - [SOLIDWORKS vs SimScale](https://www.g2.com/compare/solidworks-vs-simscale) - [SOLIDWORKS vs CATIA](https://www.g2.com/compare/catia-vs-solidworks) - [SOLIDWORKS vs Creo](https://www.g2.com/compare/creo-2025-08-26-vs-solidworks) - [SOLIDWORKS vs Simcenter 3D](https://www.g2.com/compare/solidworks-vs-simcenter-3d) ### 3. [Inventor](https://www.g2.com/products/inventor/reviews) By Autodesk **Average Rating:** 4.4/5 **Total Reviews:** 440 Inventor® 3D CAD software offers an easy-to-use set of tools for 3D mechanical design, documentation, and product simulation. Reviewers say compared to OpenSim, Inventor is: - More expensive - Better at support - More usable Categories in common with OpenSim: [Simulation & CAE](https://www.g2.com/categories/simulation-cae) **Compare:** [OpenSim vs Inventor](https://www.g2.com/compare/inventor-vs-opensim) **Compare Inventor with other alternatives:** - [Inventor vs MATLAB](https://www.g2.com/compare/inventor-vs-matlab) - [Inventor vs SOLIDWORKS](https://www.g2.com/compare/inventor-vs-solidworks) - [Inventor vs Onshape](https://www.g2.com/compare/inventor-vs-onshape) - [Inventor vs Designcenter Solid Edge](https://www.g2.com/compare/designcenter-solid-edge-vs-inventor) - [Inventor vs Autodesk Fusion](https://www.g2.com/compare/autodesk-fusion-vs-inventor) - [Inventor vs SimScale](https://www.g2.com/compare/inventor-vs-simscale) - [Inventor vs CATIA](https://www.g2.com/compare/catia-vs-inventor) - [Inventor vs Creo](https://www.g2.com/compare/creo-2025-08-26-vs-inventor) - [Inventor vs Simcenter 3D](https://www.g2.com/compare/inventor-vs-simcenter-3d) ### 4. [Onshape](https://www.g2.com/products/onshape/reviews) By PTC **Average Rating:** 4.7/5 **Total Reviews:** 695 Onshape is a modern CAD system that eliminates design gridlock and helps engineers do their best work. Onshape unites advanced modeling tools and design data management in a secure cloud workspace that has rapidly become the primary CAD system for thousands of companies worldwide. Reviewers say compared to OpenSim, Onshape is: - More expensive - Better at support - More usable Categories in common with OpenSim: [Simulation & CAE](https://www.g2.com/categories/simulation-cae) **Compare:** [OpenSim vs Onshape](https://www.g2.com/compare/onshape-vs-opensim) **Compare Onshape with other alternatives:** - [Onshape vs MATLAB](https://www.g2.com/compare/matlab-vs-onshape) - [Onshape vs SOLIDWORKS](https://www.g2.com/compare/onshape-vs-solidworks) - [Onshape vs Inventor](https://www.g2.com/compare/inventor-vs-onshape) - [Onshape vs Designcenter Solid Edge](https://www.g2.com/compare/designcenter-solid-edge-vs-onshape) - [Onshape vs Autodesk Fusion](https://www.g2.com/compare/autodesk-fusion-vs-onshape) - [Onshape vs SimScale](https://www.g2.com/compare/onshape-vs-simscale) - [Onshape vs CATIA](https://www.g2.com/compare/catia-vs-onshape) - [Onshape vs Creo](https://www.g2.com/compare/creo-2025-08-26-vs-onshape) - [Onshape vs Simcenter 3D](https://www.g2.com/compare/onshape-vs-simcenter-3d) ### 5. [Designcenter Solid Edge](https://www.g2.com/products/designcenter-solid-edge/reviews) By Siemens Digital Industries Software **Average Rating:** 4.3/5 **Total Reviews:** 606 Solid Edge is a portfolio of affordable, easy-to-use software solutions for product development — 3D design, simulation, manufacturing, data management, cloud collaboration, and more. Solid Edge combines the speed and simplicity of direct modeling with the flexibility and control of parametric design – made possible with synchronous technology. Reviewers say compared to OpenSim, Designcenter Solid Edge is: - More expensive - Better at support - More usable Categories in common with OpenSim: [Simulation & CAE](https://www.g2.com/categories/simulation-cae) **Compare:** [OpenSim vs Designcenter Solid Edge](https://www.g2.com/compare/designcenter-solid-edge-vs-opensim) **Compare Designcenter Solid Edge with other alternatives:** - [Designcenter Solid Edge vs MATLAB](https://www.g2.com/compare/designcenter-solid-edge-vs-matlab) - [Designcenter Solid Edge vs SOLIDWORKS](https://www.g2.com/compare/designcenter-solid-edge-vs-solidworks) - [Designcenter Solid Edge vs Inventor](https://www.g2.com/compare/designcenter-solid-edge-vs-inventor) - [Designcenter Solid Edge vs Onshape](https://www.g2.com/compare/designcenter-solid-edge-vs-onshape) - [Designcenter Solid Edge vs Autodesk Fusion](https://www.g2.com/compare/autodesk-fusion-vs-designcenter-solid-edge) - [Designcenter Solid Edge vs SimScale](https://www.g2.com/compare/designcenter-solid-edge-vs-simscale) - [Designcenter Solid Edge vs CATIA](https://www.g2.com/compare/catia-vs-designcenter-solid-edge) - [Designcenter Solid Edge vs Creo](https://www.g2.com/compare/creo-2025-08-26-vs-designcenter-solid-edge) - [Designcenter Solid Edge vs Simcenter 3D](https://www.g2.com/compare/designcenter-solid-edge-vs-simcenter-3d) ### 6. [Autodesk Fusion](https://www.g2.com/products/autodesk-fusion/reviews) By Autodesk **Average Rating:** 4.5/5 **Total Reviews:** 519 Autodesk Fusion is a comprehensive cloud software platform that integrates various tools for 3D design, manufacturing, electronics, simulation, and generative design. It serves as a collaborative, cloud-enabled CAD (Computer-Aided Design), CAM (Computer-Aided Manufacturing), CAE (Computer-Aided Engineering), and PCB (Printed Circuit Board) software. Reviewers say compared to OpenSim, Autodesk Fusion is: - More expensive - Better at support - More usable Categories in common with OpenSim: [Simulation & CAE](https://www.g2.com/categories/simulation-cae) **Compare:** [OpenSim vs Autodesk Fusion](https://www.g2.com/compare/autodesk-fusion-vs-opensim) **Compare Autodesk Fusion with other alternatives:** - [Autodesk Fusion vs MATLAB](https://www.g2.com/compare/autodesk-fusion-vs-matlab) - [Autodesk Fusion vs SOLIDWORKS](https://www.g2.com/compare/autodesk-fusion-vs-solidworks) - [Autodesk Fusion vs Inventor](https://www.g2.com/compare/autodesk-fusion-vs-inventor) - [Autodesk Fusion vs Onshape](https://www.g2.com/compare/autodesk-fusion-vs-onshape) - [Autodesk Fusion vs Designcenter Solid Edge](https://www.g2.com/compare/autodesk-fusion-vs-designcenter-solid-edge) - [Autodesk Fusion vs SimScale](https://www.g2.com/compare/autodesk-fusion-vs-simscale) - [Autodesk Fusion vs CATIA](https://www.g2.com/compare/autodesk-fusion-vs-catia) - [Autodesk Fusion vs Creo](https://www.g2.com/compare/autodesk-fusion-vs-creo-2025-08-26) - [Autodesk Fusion vs Simcenter 3D](https://www.g2.com/compare/autodesk-fusion-vs-simcenter-3d) ### 7. [SimScale](https://www.g2.com/products/simscale/reviews) By SimScale GmbH **Average Rating:** 4.6/5 **Total Reviews:** 282 SimScale is revolutionizing the computer-aided engineering sector by providing access to engineering simulation 100% via your web browser and to one of the largest CAE communities in the world. The SimScale web-based platform enables engineering professionals to perform CFD, FEA, Thermodynamics, Acoustics and Particle Analyses, making simulation technology accessible to everyone. Reviewers say compared to OpenSim, SimScale is: - More expensive - Better at support - More usable Categories in common with OpenSim: [Simulation & CAE](https://www.g2.com/categories/simulation-cae) **Compare:** [OpenSim vs SimScale](https://www.g2.com/compare/opensim-vs-simscale) **Compare SimScale with other alternatives:** - [SimScale vs MATLAB](https://www.g2.com/compare/matlab-vs-simscale) - [SimScale vs SOLIDWORKS](https://www.g2.com/compare/solidworks-vs-simscale) - [SimScale vs Inventor](https://www.g2.com/compare/inventor-vs-simscale) - [SimScale vs Onshape](https://www.g2.com/compare/onshape-vs-simscale) - [SimScale vs Designcenter Solid Edge](https://www.g2.com/compare/designcenter-solid-edge-vs-simscale) - [SimScale vs Autodesk Fusion](https://www.g2.com/compare/autodesk-fusion-vs-simscale) - [SimScale vs CATIA](https://www.g2.com/compare/catia-vs-simscale) - [SimScale vs Creo](https://www.g2.com/compare/creo-2025-08-26-vs-simscale) - [SimScale vs Simcenter 3D](https://www.g2.com/compare/simscale-vs-simcenter-3d) ### 8. [CATIA](https://www.g2.com/products/catia/reviews) By Dassault Systemes **Average Rating:** 4.2/5 **Total Reviews:** 255 CATIA is a comprehensive software suite developed by Dassault Systèmes, designed to facilitate the entire product development process from conceptualization to manufacturing. It integrates advanced 3D modeling, simulation, and collaboration tools, enabling users to design, analyze, and manage complex products and systems efficiently. CATIA's intuitive interface and robust capabilities support a wide range of industries, including aerospace, automotive, construction, and consumer goods, fostering innovation and enhancing product quality. Key Features and Functionality: - 3D Modeling and Design: Offers parametric and non-parametric modeling tools for creating precise and complex geometries, accommodating both mechanical and surface design needs. - Simulation and Analysis: Provides integrated simulation capabilities to test and validate product performance under real-world conditions, reducing the need for physical prototypes. - Systems Engineering: Supports model-based systems engineering (MBSE) to manage complex product architectures, ensuring consistency across mechanical, electrical, and software components. - Collaboration Tools: Facilitates real-time collaboration among multidisciplinary teams through a unified platform, enhancing communication and decision-making processes. - Knowledge Management: Enables the capture and reuse of design knowledge and best practices, promoting standardization and efficiency across projects. Primary Value and User Solutions: CATIA addresses the challenges of modern product development by providing a unified environment that integrates design, simulation, and collaboration tools. This integration allows organizations to accelerate innovation, improve product quality, and reduce time-to-market. By supporting a wide range of disciplines and industries, CATIA helps users manage complex product lifecycles, ensure design accuracy, and foster collaboration across global teams, ultimately leading to more sustainable and impactful customer experiences. Reviewers say compared to OpenSim, CATIA is: - More expensive - Better at support - Better at meeting requirements Categories in common with OpenSim: [Simulation & CAE](https://www.g2.com/categories/simulation-cae) **Compare:** [OpenSim vs CATIA](https://www.g2.com/compare/catia-vs-opensim) **Compare CATIA with other alternatives:** - [CATIA vs MATLAB](https://www.g2.com/compare/catia-vs-matlab) - [CATIA vs SOLIDWORKS](https://www.g2.com/compare/catia-vs-solidworks) - [CATIA vs Inventor](https://www.g2.com/compare/catia-vs-inventor) - [CATIA vs Onshape](https://www.g2.com/compare/catia-vs-onshape) - [CATIA vs Designcenter Solid Edge](https://www.g2.com/compare/catia-vs-designcenter-solid-edge) - [CATIA vs Autodesk Fusion](https://www.g2.com/compare/autodesk-fusion-vs-catia) - [CATIA vs SimScale](https://www.g2.com/compare/catia-vs-simscale) - [CATIA vs Creo](https://www.g2.com/compare/catia-vs-creo-2025-08-26) - [CATIA vs Simcenter 3D](https://www.g2.com/compare/catia-vs-simcenter-3d) ### 9. [Creo](https://www.g2.com/products/creo-2025-08-26/reviews) By PTC **Average Rating:** 4.1/5 **Total Reviews:** 200 Creo Parametric provides a broad range of powerful yet flexible 3D CAD capabilities to accelerate the product development process. Reviewers say compared to OpenSim, Creo is: - More expensive - Better at support - More usable Categories in common with OpenSim: [Simulation & CAE](https://www.g2.com/categories/simulation-cae) **Compare:** [OpenSim vs Creo](https://www.g2.com/compare/creo-2025-08-26-vs-opensim) **Compare Creo with other alternatives:** - [Creo vs MATLAB](https://www.g2.com/compare/creo-2025-08-26-vs-matlab) - [Creo vs SOLIDWORKS](https://www.g2.com/compare/creo-2025-08-26-vs-solidworks) - [Creo vs Inventor](https://www.g2.com/compare/creo-2025-08-26-vs-inventor) - [Creo vs Onshape](https://www.g2.com/compare/creo-2025-08-26-vs-onshape) - [Creo vs Designcenter Solid Edge](https://www.g2.com/compare/creo-2025-08-26-vs-designcenter-solid-edge) - [Creo vs Autodesk Fusion](https://www.g2.com/compare/autodesk-fusion-vs-creo-2025-08-26) - [Creo vs SimScale](https://www.g2.com/compare/creo-2025-08-26-vs-simscale) - [Creo vs CATIA](https://www.g2.com/compare/catia-vs-creo-2025-08-26) - [Creo vs Simcenter 3D](https://www.g2.com/compare/creo-2025-08-26-vs-simcenter-3d) ### 10. [Simcenter 3D](https://www.g2.com/products/simcenter-3d/reviews) By Siemens Digital Industries Software **Average Rating:** 4.3/5 **Total Reviews:** 190 Siemens Digital Industries Software helps organizations of all sizes digitally transform using software, hardware and services from the Siemens Xcelerator business platform. Siemens’ software and the comprehensive digital twin enable companies to optimize their design, engineering and manufacturing processes to turn today’s ideas into the sustainable products of the future. From chips to entire systems, from product to process, across all industries. Siemens Digital Industries Software – Accelerating transformation. Reviewers say compared to OpenSim, Simcenter 3D is: - More expensive - Better at support - More usable Categories in common with OpenSim: [Simulation & CAE](https://www.g2.com/categories/simulation-cae) **Compare:** [OpenSim vs Simcenter 3D](https://www.g2.com/compare/opensim-vs-simcenter-3d) **Compare Simcenter 3D with other alternatives:** - [Simcenter 3D vs MATLAB](https://www.g2.com/compare/matlab-vs-simcenter-3d) - [Simcenter 3D vs SOLIDWORKS](https://www.g2.com/compare/solidworks-vs-simcenter-3d) - [Simcenter 3D vs Inventor](https://www.g2.com/compare/inventor-vs-simcenter-3d) - [Simcenter 3D vs Onshape](https://www.g2.com/compare/onshape-vs-simcenter-3d) - [Simcenter 3D vs Designcenter Solid Edge](https://www.g2.com/compare/designcenter-solid-edge-vs-simcenter-3d) - [Simcenter 3D vs Autodesk Fusion](https://www.g2.com/compare/autodesk-fusion-vs-simcenter-3d) - [Simcenter 3D vs SimScale](https://www.g2.com/compare/simscale-vs-simcenter-3d) - [Simcenter 3D vs CATIA](https://www.g2.com/compare/catia-vs-simcenter-3d) - [Simcenter 3D vs Creo](https://www.g2.com/compare/creo-2025-08-26-vs-simcenter-3d) ## Explore Articles - [Best software for tracking ROI on marketing spend](https://www.g2.com/discussions/what-s-the-best-software-for-tracking-roi-on-marketing-spend) - [Best digital signage software for small businesses](https://www.g2.com/discussions/what-s-the-best-digital-signage-software-for-small-businesses) - [Which compensation software is best for small businesses](https://www.g2.com/discussions/which-compensation-software-is-best-for-small-businesses) - [Best communication service platform app for small business](https://www.g2.com/discussions/best-communication-service-platform-app-for-small-business) - [Top platforms for audience behavior analysis through content](https://www.g2.com/discussions/which-top-content-platforms-are-best-for-analyzing-audience-behavior) - [Which is the most trusted equity management by CFOs at B2B SaaS companies based on user reviews?](https://www.g2.com/discussions/which-is-the-most-trusted-equity-management-by-cfos-at-b2b-saas-companies-based-on-user-reviews) ## Spotlight Categories - [CMMS Software](https://www.g2.com/categories/cmms) - [Network Monitoring Software](https://www.g2.com/categories/network-monitoring) - [Digital Adoption Platforms](https://www.g2.com/categories/digital-adoption-platform)