Best Free Computer-Aided Engineering (CAE) Software of 2025

Customize models, refine designs, and export with precision. PlantFCE Model Builder offers 3D modeling for process plants. Model Builder can be used to estimate costs for engineering projects. View real-time updates as you edit a scene in the rendering window. Get low lock-in with PlantFCE Model Builder* PlantFCE Model Builder can export and import 3D models to and from industry-standard 3D model formats like GLB, OBJ, or STL files. Reduce errors and save time with automated clash check built right in.** PlantFCE Model Builder's automated clash check** reduces the time spent on clash check sessions and gives you more time to work on your project. Download for Windows (from the Microsoft Store) and Mac (available on Intel and Apple silicon Macs) on our website Training Contact us through the contact page on the PlantFCE website if you would like training for your organization. Documentation You can find documentation for Model Builder on the PlantFCE website. NOTES *Exporting through Model Builder does not include Model Builder specific functionality like properties set on objects or features specific to Model Builder. **Clash check will be released as part of version 2

SkyCiv Structural 3D, a cloud-based Structural Analysis program, allows users to design, analyze, and model complex 3D structures. It can be used online and does not require installation. SkyCiv Structural 3D is the best online structural analysis. It includes the following: – Powerful Analysis: Linear and P-Delta Cables, Buckling Plates, Frequency RS - Integrated design checks for steel, wood connections, foundations wind (AISC. NSD. AISI. EN. AS. CSA. BS plus more ...)

SimScale, a web-based cloud application, plays an important role in simulation software for many industries. The platform supports Computational Fluid Dynamics, Finite Element Analysis (FEA), as well as Thermal Simulation. It also provides 3D simulation, continuous modeling, motion & dynamic modelling.

AnyLogic stands out as the leading technology in multimethod modeling, providing enhanced efficiency and reduced risk when addressing intricate business problems. Its unparalleled flexibility enables users to represent the complexities of nearly any system with varying levels of detail, fostering a better understanding of the interconnected processes both within and surrounding an organization. Additionally, AnyLogic holds a GSA Contract schedule #47QTCA18D007Q, facilitating purchases by U.S. government agencies through GSA Advantage. This makes it an accessible option for agencies looking to leverage advanced modeling tools to improve decision-making and operational effectiveness.

Solid Edge is a collection of software tools that are affordable, easy-to-use, maintain, and easy to use. It advances all aspects of product development, including mechanical and electrical design, simulation, production, technical documentation, data management and cloud-based collaboration. Solid Edge is based on Siemens industry-leading technologies and offers the most comprehensive and innovative approach to product development for mainstream markets.

Vensim®, the software of choice of thousands of analysts and consultants worldwide, is used to build high-quality simulations in business, scientific and environmental systems. Vensim integrates a powerful set of tools to develop, test, interpret, and distribute models. These tools include cause and effect diagramming, graphical or textual model constructions, easy reproductions of model structure by using subscripts and arrays, Monte Carlo sensitivity analyses, optimization, data management, and application interfaces. Additional features allow for advanced model resolution and fidelity. Vensim uses patented techniques for error detection, prevention, and rapid understanding of complex results.

ExtendSim offers a comprehensive suite of tools suitable for various simulation tasks. Regardless of your intended application—whether it's model creation, execution, or analysis—there's a tailored package available to meet your specific requirements. The product range includes options for model construction, experimentation, and analytical assessment, along with Model Developer Editions and specialized packages focused on simulation execution, model evaluation, or educational purposes. To determine the most appropriate package for your needs, you can explore the User Types section. Users can create, utilize, and dynamically run models, develop custom interfaces and components, as well as exchange and control data with other software applications. Each Model Developer Edition (MDE) of ExtendSim retains a unified core of functionalities, allowing users to design and assemble models and interfaces, adjust parameters, execute simulations and animations, conduct experiments, and perform analyses and optimizations—all while being able to save and export their results effectively. This flexibility ensures that users can fully leverage ExtendSim's capabilities to enhance their simulation experience.

PoligonSoft offers a suite of advanced simulation software designed to enhance and refine the process of metal casting. This software suite empowers users to anticipate potential defects in the final product. Key Analysis Features Include: Fluid Flow during Pouring Formation of both Large and Microscale Porosity Stresses that Remain After Solidification Distortions and Shape Changes Development of Fractures at Various Temperatures Fluid Pressures Erosion of the Mold Material Our software stands out for its ability to streamline production, reduce material waste, and eliminate the need for repeated designs, thereby ensuring that the production cycle is optimized from the start. PoligonSoft's analytical capabilities are built upon three fundamental systems: fluid dynamics, heat transfer, and mechanical stresses. These, combined with an array of advanced features, facilitate the simulation of a wide range of casting methods, including specialized techniques.

HydroCAD Stormwater Modelling allows for easy TR-20, TR55, SBUH and Rational hydrology calculations, as well as TC calculations, storage, outlet hydraulics and pump routing, underground storage, pollutant loads, and more. You can import CAD directly, bypass routing, siphons, skimmers and tubes, as well as local rainfall data import. There is also an expanding chamber library. Interactive graphical environments are intuitive and fast, resulting in better results every time.

Simcad Pro allows you to visualize, analyze, and optimize process flow systems within an interactive simulation modeling environment. Optimize, plan, optimize, and reorganize processes and procedures, while optimizing layouts, automation, scheduling, and facility improvement. Simcad Pro integrates historical and live data to offer the best simulation tool on the marketplace. Multiple industries can use these applications, including manufacturing, automation and logistics, distribution warehouse, food & beverage, and services. Multi-Threaded – 64 bit Engine Simulator-on-the-fly - You can make real-time modifications to the model as the simulation is running. You can animated the model in 3D, 2D, and VR using Ray Tracing, light effects, and shadows. Singular model building environment. Smart, Spatially Aware Agents. Sub-Flows. Collision Avoidance. Real-Time Connectivity. Spaghetti Diagrams and Congestion Analysis, Heat Maps Efficiency, OEE. Extensive reporting and analysis tools. Scenario Analyzer.

MatDeck is a universal technical software that can be used for mathematics, science, engineering, chemistry, programming, databases, and many other purposes. Our software includes a complete Python IDE, thousands of mathematical functions, a drag-and-drop GUI Designer, and many visualization tools. All this is embedded in a cutting-edge, live document that provides a professional computing environment at a low cost.

Simply launch a standard web browser like Chrome or Firefox and search for "caeplex" to get started. It is compatible with all major operating systems, including Windows, MacOS, GNU/Linux, iOS, and Android. The heavy computations occur on our servers, meaning CAEplex can be utilized on virtually any existing computer, laptop, tablet, or smartphone without the need for hardware upgrades or maintenance. There’s no requirement to purchase a new device or enhance the RAM of your older models. Our standout feature is the combination of "ease and speed," allowing you to solve a CAEplex case from initial input to final results in under a minute with our streamlined three-step process. If you happen to find a faster finite element analysis application, we would love to hear about it. CAEplex is accessible from any mobile device, including older or damaged tablets and phones, ensuring you can access and showcase your projects from anywhere at any time. Embrace an agile development process that incorporates simulation, which we prefer to call "modeling," along with additive manufacturing and seamless online collaboration, enhancing your workflow significantly. This flexibility allows you to stay productive, regardless of your location or device limitations.

Engineers and researchers can use WELSIM finite-element analysis software to create prototype virtual products and conduct simulation studies.

Simio is a software solution focused on simulation, production scheduling, and planning, specifically tailored to leverage the object modeling approach. Its primary goal is to provide organizations, regardless of their size or sector, with tools for swift risk assessment and cost-saving opportunities. To cater to varying business requirements, Simio is offered in five distinct versions: Personal, Design, Team, Enterprise, and Portal. Additionally, there is an Academic Edition designed for the use of both students and educators. This diverse range of editions ensures that all users can find a version that aligns with their specific needs and objectives.

Elevate your product design and development process by utilizing Creo, the advanced 3D CAD/CAM/CAE software that enables you to imagine, design, create, and innovate with ease. In today's competitive landscape, product design and manufacturing teams face increasing demands to enhance efficiency and reduce costs while maintaining high standards of creativity and quality. Thankfully, Creo offers a diverse and scalable suite of 3D CAD tools that stand out in the market. The latest version, Creo 7.0, introduces groundbreaking advancements in generative design, real-time simulation, multibody design, additive manufacturing, and more. Transitioning your ideas from initial concept to digital prototype has never been simpler, more accurate, or more intuitive than with Creo, which has been at the forefront of CAD technology for over three decades. With the release of Creo 7.0, PTC showcases its expertise in enriching an already powerful toolset, leveraging strategic partnerships to further enhance its functionalities and meet evolving industry needs. This evolution points to a future where your design capabilities can grow alongside your business aspirations.