Best Free Simulation Software of 2025

Enhanced Simulation for Superior Decision-Making Innoslate provides an innovative simulation feature that empowers organizations to effectively model, analyze, and enhance intricate systems, processes, and workflows. From validating system performance to pinpointing bottlenecks and examining "what-if" scenarios, Innoslate equips users with the necessary insights for informed, data-driven decision-making. Comprehensive Process Simulation: Visualize and simulate operations, workflows, and system interactions to forecast results and discover areas for enhancement. Discrete Event and Monte Carlo Simulations: Conduct in-depth performance assessments of systems under diverse conditions, addressing uncertainties and variations. Requirement and Model Traceability: Connect simulations directly to system requirements and models to ensure traceability and alignment with project objectives. AI-Powered Optimization: Utilize artificial intelligence to streamline simulations, reveal hidden inefficiencies, and boost overall system performance.

DigitalClone®, for Engineering is the only software that integrates multiple scales of analysis into a single package. It is the world's best gearbox reliability prediction tool. DC-E, in addition to the modeling and analysis capabilities at the level of the gearbox and the gear/bearing, is the only software that models fatigue life using detailed, physics-based models (US Patent 10474772B2). DC-E allows the construction of a digital twin of a gearbox. This includes all stages of the asset's lifecycle, from design and manufacturing optimization to supplier selection to failure root cause analysis to condition based maintenance and prognostics. This computational environment reduces the time and cost of bringing new designs to market and maintaining them over time.

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.

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.

FEATool Multiphysics – "Physics Simulator Made Easy" – a fully integrated physics simulation, FEA and CFD toolbox. FEATool Multiphysics provides a fully integrated simulation platform that includes a unified user interface for several multi-physics solvers such as OpenFOAM and Computational fluid dynamics (CFD), including SU2 Code and FEniCS. This allows users to model coupled physics phenomena, such as those found in fluid flow and heat transfer, structural, electromagnetics acoustics and chemical engineering applications. FEATool multiphysics is a trusted tool for engineers and researchers in the energy, automotive and semi-conductor industries.

AnyLogic is the industry standard for multimethod modeling technology. It delivers greater efficiency and lower risk when solving complex business problems. AnyLogic's unmatched flexibility allows users to capture the complexity and interdependencies of any system at any level of detail. AnyLogic has a GSA Contract Schedule #47QTCA18D007Q. GSA Advantage is an option for government agencies in the USA to purchase products.

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.

Eliminate uncertainty in your decision-making process by leveraging Arena software for confident progress. This innovative simulation tool creates a digital replica by utilizing historical data while aligning it with the actual outcomes of your system. While Arena™ Simulation Software primarily employs the discrete event method for simulations, it also encompasses aspects of flow and agent-based modeling, enhancing its versatility. Assess various alternatives to identify the most effective strategy for performance enhancement. Gain insights into system performance through crucial metrics like costs, throughput, cycle times, equipment usage, and resource availability. Mitigate risks by conducting thorough simulations and testing process modifications prior to making substantial financial or resource commitments. Analyze how uncertainty and variability can affect system performance, and explore "what-if" scenarios to assess the implications of proposed adjustments. By doing so, you'll be equipped to make informed decisions that drive your organization forward.

Simulistics specializes in the creation and distribution of Simile, a sophisticated software designed for modeling and simulating intricate dynamic systems within the domains of earth, environmental, and life sciences. Our proprietary logic-based declarative modeling technology enables a clear and visually intuitive representation of interactions within these systems. By utilizing Simile, scientific researchers find the process of modeling significantly more efficient, as it allows for quicker preparation of models, easier sharing of resources, and more effective maintenance practices. Additionally, our software features an object-based representation that facilitates the handling of disaggregation and individual-based modeling. Users can benefit from auto-generated C++ model code, ensuring rapid execution times. One of the standout features includes plug-and-play modules, which allow for modular modeling; this means any component of a model can be extracted and utilized independently. Moreover, our plug-in displays empower users to create tailored graphics that suit their specific fields. With declarative model representation at its core, manipulating complex models becomes a straightforward endeavor, enhancing overall productivity in scientific investigations. Ultimately, Simile stands out as a versatile tool that meets the diverse needs of researchers in various scientific disciplines.

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.

OnScale stands out as the pioneering platform for Cloud Engineering Simulation, merging advanced multiphysics solver technology with the boundless computational capabilities of cloud supercomputers. This innovative solution empowers engineers to execute a vast array of full 3D multiphysics simulations concurrently, enabling the creation of authentic Digital Prototypes that represent the complete operational behavior of intricate high-tech devices. With the aim of delivering an exceptional Cloud Engineering Simulation experience, OnScale Solve is designed to be intuitive, robust, and effective. It operates seamlessly on both public and private cloud supercomputers and features a user-friendly web interface, an API for smooth integration into existing design processes, customizable scripting options for tailored engineering simulations, and plugins that expand its modeling functionalities. Furthermore, OnScale Solve equips engineers with the capability to synthetically generate data crucial for training advanced AI/ML algorithms, thereby enhancing innovation in technology development. This comprehensive platform ensures that engineers have the tools they need to push the boundaries of simulation and design.

Predator Software has been automating manufacturers around the world since 1994. They have developed and won numerous awards for their innovative software applications. Predator Software is a leader in Industry 4.0, lean manufacturing and industrial networking solutions. Predator's SFC technology includes CNC networking, OEE and machine monitoring, data collection, machine simulator & verification, tool management, gage crib management. Traveler management, CNC post processing. Flexible manufacturing systems. Robotic cell control software.

ENVI-met is a three-dimensional microclimate simulation tool designed for various purposes, including urban development, architectural design, and enhancing energy efficiency, by taking into account all relevant climate factors rather than focusing on just one. This software can model different climate scenarios, encompassing both daytime and nighttime temperatures, humidity levels, wind speeds, and solar radiation in urban areas. Additionally, it allows for the exploration of how various building materials, like glass and stone, impact the microclimate of their surroundings. By predicting how alterations in urban design influence both the microclimate and the thermal comfort of urban dwellers, ENVI-met serves as a vital resource for cities around the globe. Given the significant challenges posed by climate change, developing healthier and more resilient urban environments has become increasingly important. Therefore, ENVI-met is instrumental in evaluating the potential impacts of new constructions, green spaces, and urban planning initiatives, enabling stakeholders to make well-informed decisions that promote sustainability and improve community well-being. This capability underscores the software's relevance in fostering innovative solutions for contemporary urban challenges.

Energy2D is an interactive multiphysics simulation program grounded in computational physics, designed to model the three primary modes of heat transfer: conduction, convection, and radiation, while also integrating particle dynamics. This software operates efficiently on a wide range of computers, simplifying the process by removing the need for switches between preprocessors, solvers, and postprocessors that are usually necessary for computational fluid dynamics simulations. Users can create "computational experiments" to explore scientific hypotheses or address engineering challenges without the need for intricate mathematical formulations. Additionally, development is ongoing to introduce various energy transformation types and to enhance support for different fluid types. While Energy2D excels in accurately modeling conduction, its representations of convection and radiation are not entirely precise, which means results involving these elements should be regarded as qualitative. Over 40 scientific papers have utilized Energy2D as a valuable research instrument, showcasing its adoption in the academic community. As the program evolves, its capabilities are expected to expand further, potentially offering more comprehensive insights into complex physical interactions.

OpenModelica serves as an open-source platform for modeling and simulating systems using the Modelica language, catering to both industrial and academic sectors. Its progress is driven by the Open Source Modelica Consortium (OSMC), a non-profit entity. This platform seeks to deliver an extensive environment for Modelica modeling, compilation, and simulation, available in both binary and source code formats, thereby supporting research, education, and practical applications in the industry. OpenModelica is compatible with multiple operating systems, such as Windows, Linux, and macOS, and fully supports the Modelica Standard Library. It is crafted to enable the creation and execution of a wide range of numerical algorithms, making it ideal for tasks like control system design, nonlinear equation resolution, and the development of optimization algorithms for intricate applications. Additionally, the platform incorporates features for debugging, visualization, and animation, which not only enhance user interaction but also streamline the modeling and simulation processes significantly. Overall, OpenModelica’s versatility and robust tools make it a valuable asset for engineers and researchers alike.

FlexSim allows you to answer any question about your company with accuracy. It is a powerful simulation tool that was built from the ground up to make simulation simple and easy without sacrificing any functionality or visual appeal. With drag-and-drop controls, easy-to-use features, you can create stunning, detailed models that produce results but make an impact like charts or spreadsheets.

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.

The world is in a state of perpetual and swift transformation, presenting new challenges, advancements, and opportunities on a daily basis. As these changes unfold, how can we effectively keep pace with them? Additionally, how can we ensure that our environment remains efficient, secure, and sustainable? Recognizing the effects of our actions and choices is crucial to this endeavor. We must consider how to design, run, optimize, and oversee our urban areas, vital infrastructure, and supply chains. The InControl software addresses these issues across all stages of the life cycle. It converts accessed data into predictive and trustworthy analytics, allowing for a better grasp of intricate infrastructures. By disseminating findings and insights from complex and unpredictable scenarios to your stakeholders, partners, and clients, you can address factors related to time, cost, resources, productivity, reliability, safety, and sustainability. Furthermore, Simulation Software empowers you to assess potential or future resource investments effectively. By streamlining and integrating processes, it fosters a "one time right" deployment approach, ultimately reducing time, effort, and expenses. Embracing these tools is essential for thriving in an ever-evolving landscape.

Simright Simulator allows users to import CAD models and perform structural analysis directly in a web browser, making it highly user-friendly. Even those without any prior experience in CAE analysis can swiftly carry out simulations. This tool is capable of addressing intricate structural challenges across various industries through an online platform. By utilizing CAE technology, it significantly lowers the expenses associated with physical experiments, empowering users to make more informed decisions. Moreover, its accessibility ensures that more individuals can leverage advanced analysis capabilities, further enhancing productivity and innovation.

OpenFOAM is a free and open-source computational fluid dynamics (CFD) software that has been developed by OpenCFD Ltd since its inception in 2004. It boasts a vast user community spanning various engineering and scientific fields, including users from both industry and academia. The software offers a comprehensive suite of features capable of addressing a wide array of challenges, such as intricate fluid dynamics involving chemical reactions, turbulence, heat transfer, as well as applications in acoustics, solid mechanics, and electromagnetics. To ensure continuous improvement, OpenFOAM is released biannually, incorporating enhancements funded by users and contributions from the wider community. The software undergoes thorough testing conducted by ESI-OpenCFD's application specialists, development collaborators, and select customers, all supported by ESI's global network and commitment to quality. The assurance of quality is maintained through a stringent testing regime, which entails hundreds of daily unit tests, a moderate set of tests carried out weekly, and an extensive industry-focused test suite. This meticulous approach ensures that OpenFOAM remains reliable and effective for its diverse user base. Moreover, the collaborative nature of its development fosters a vibrant community that continually drives innovation within the software.

DWSIM is a versatile and free chemical process simulator that adheres to CAPE-OPEN standards, functioning seamlessly on multiple operating systems like Windows, Linux, macOS, Android, and iOS. Its user-friendly graphical interface allows for features that were once only available in paid software. The simulator excels in both steady-state and dynamic modeling by employing a parallel modular solver for enhanced efficiency. Additionally, DWSIM comes equipped with sophisticated property packages. Users can access an extensive array of unit operations, such as mixers, splitters, separators, pumps, compressors, expanders, heaters, coolers, valves, pipe segments, shortcut columns, heat exchangers, a variety of reactors, distillation and absorption columns, solids separators, and cake filters, alongside spreadsheets, Python scripts, and flowsheet unit operations. Furthermore, it includes an Excel Add-In for executing thermodynamic calculations directly within spreadsheets, as well as an automation API that facilitates the creation, modification, execution, and saving of flowsheets, making it an all-encompassing tool for chemical engineering. With its robust capabilities and user-centric design, DWSIM stands out as an invaluable resource for professionals in the field.

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.

As power systems continue to advance, there is an increasing demand for precise and user-friendly simulation tools. PSCAD enables users to effortlessly design, simulate, and model their systems, unlocking endless opportunities for power system simulation. The software features an extensive library that includes a variety of system models, from basic passive components and control functions to intricate electric machines and other sophisticated devices. With over four decades of dedicated research and development, PSCAD has evolved significantly. The insights and suggestions from our worldwide user community have been a driving force behind this progress. This approach has solidified PSCAD's reputation as the leading choice for power system transient simulation available in the market today. Maintaining your software is the most economically sound method to safeguard, support, and enhance your investment, ensuring you derive maximum value from your tools. Additionally, regular updates and support help users stay abreast of the latest advancements and features, further enhancing their simulation experience.