List of the Top 25 Free Simulation Software in 2025

Innovative Simulation for Enhanced Decision-Making Innoslate provides a state-of-the-art simulation feature that allows organizations to effectively model, assess, and improve intricate systems, processes, and workflows. From validating system functionality to pinpointing inefficiencies and testing "what-if" scenarios, Innoslate equips users with the insights necessary for informed, data-driven decision-making. Comprehensive Process Simulation: Visualize and simulate workflows, operations, and system interactions to forecast results and identify enhancement opportunities. Discrete Event and Monte Carlo Simulations: Conduct thorough analyses of system performance across various conditions, factoring in uncertainties and fluctuations. Requirement and Model Traceability: Connect simulations directly to system requirements and models to maintain traceability and ensure alignment with project objectives. AI-Powered Optimization: Utilize artificial intelligence to improve simulations, reveal hidden inefficiencies, and boost system performance.

DigitalClone® for Engineering stands out as the sole software that seamlessly combines various scales of analysis within a unified platform. Recognized globally as the premier tool for predicting gearbox reliability, DC-E excels not only in its modeling and analysis capabilities specific to gearboxes and gear/bearing interactions but also uniquely incorporates fatigue life modeling through advanced, physics-based methodologies (US Patent 10474772B2). By enabling the creation of a digital twin for gearboxes, DC-E encompasses every phase of an asset's lifecycle—from the optimization of design and manufacturing processes to the selection of suppliers, followed by thorough root cause analysis of failures and condition-based maintenance along with prognostics. This innovative computational environment significantly decreases both the time and costs associated with launching new designs and ensuring their long-term maintenance, ultimately enhancing operational efficiency. Moreover, it empowers engineers to make informed decisions at every stage, leading to improved performance and reliability.

SimScale is a cloud-based application that significantly contributes to simulation software across various sectors. This platform offers capabilities in Computational Fluid Dynamics, Finite Element Analysis (FEA), and Thermal Simulation. Additionally, it features 3D simulations, ongoing modeling, as well as motion and dynamic modeling capabilities. With its extensive range of tools, SimScale enhances the efficiency and accuracy of engineering simulations.

Solid Edge comprises a suite of cost-effective software tools that are user-friendly and straightforward to manage. It enhances every facet of product development, encompassing mechanical and electrical design, simulation, manufacturing processes, technical documentation, data management, and collaboration through the cloud. Grounded in Siemens' cutting-edge technologies, Solid Edge provides an extensive and imaginative methodology for product development tailored to mainstream industries. This comprehensive toolkit is designed to streamline workflows and improve efficiency across various engineering disciplines.

Vensim® is the preferred software for numerous analysts and consultants globally, facilitating the creation of sophisticated simulations across business, scientific, and environmental domains. This software encompasses a robust collection of tools designed for model development, testing, interpretation, and distribution. Among its features are cause and effect diagramming, various methods for graphical or textual model construction, and the ability to easily replicate model structures using subscripts and arrays. Furthermore, Vensim supports Monte Carlo sensitivity analyses, optimization techniques, efficient data management, and application interfaces. Its additional capabilities enhance model resolution and accuracy, while patented methods are employed for detecting and preventing errors, as well as for swiftly comprehending complex results. Overall, Vensim stands out as a comprehensive solution for anyone looking to perform in-depth system simulations.

FEATool Multiphysics is a comprehensive physics simulation toolbox that simplifies the process of using finite element analysis (FEA) and computational fluid dynamics (CFD). It features an integrated platform with a cohesive user interface that supports various multi-physics solvers, including OpenFOAM, SU2 Code, and FEniCS. This versatility enables users to effectively model interconnected physical phenomena across a range of applications, such as fluid dynamics, thermal transfer, structural analysis, electromagnetics, acoustics, and chemical engineering. As a reliable resource, FEATool Multiphysics is widely utilized by engineers and researchers in sectors like energy, automotive, and semiconductor manufacturing, enhancing their ability to conduct complex simulations with ease. Its user-friendly design makes it accessible for both seasoned professionals and newcomers alike.

AnyLogic stands as the leading choice for multimethod modeling technology in the industry. It offers enhanced efficiency and reduced risks in tackling intricate business challenges. With its unparalleled flexibility, AnyLogic empowers users to represent the complexities and interconnections of any system with varying levels of detail. Additionally, AnyLogic holds a GSA Contract Schedule #47QTCA18D007Q, making it accessible for government purchases. Through GSA Advantage, agencies in the United States can conveniently acquire these products, facilitating their operational needs. This capability ensures that government entities can effectively address their unique challenges utilizing advanced modeling solutions.

ExtendSim provides an extensive array of tools designed for a wide range of simulation activities. No matter the purpose—be it crafting models, running simulations, or analyzing outcomes—there is a specific package tailored to fit your needs. The diverse product offerings encompass features for model development, experimentation, and analytical evaluations, in addition to Model Developer Editions and targeted packages aimed at simulation execution, model assessment, or educational use. To help you identify the most suitable package, the User Types section is available for exploration. Users have the ability to create, implement, and actively manage models, as well as design custom interfaces and components, while also facilitating data exchange and control with other software. Each Model Developer Edition (MDE) of ExtendSim maintains a consistent set of core functionalities, empowering users to construct and organize models and interfaces, modify parameters, execute simulations and visualizations, carry out experiments, and engage in thorough analyses and optimizations—while ensuring they can effectively save and export their findings. This adaptability not only maximizes the user experience but also allows for a deeper exploration of simulation possibilities. As such, ExtendSim stands out as a robust choice for anyone looking to elevate their simulation capabilities.

Enhance the clarity of your decision-making by utilizing Arena software, which enables confident advancements in your projects. This cutting-edge simulation tool generates a digital twin by integrating historical data and correlating it with real-world outcomes of your systems. Although Arena™ Simulation Software mainly adopts the discrete event simulation approach, it also incorporates elements of flow and agent-based modeling, thereby increasing its adaptability. Evaluate different options to pinpoint the most effective strategy for optimizing performance. Understand system dynamics through essential metrics such as costs, throughput, cycle times, equipment utilization, and resource availability. Reduce risks by performing comprehensive simulations and testing process changes before committing significant financial or resource investments. Delve into how uncertainty and variability impact system performance, and investigate "what-if" scenarios to evaluate the ramifications of suggested modifications. By approaching your decision-making process with these tools and insights, you'll be empowered to make strategic choices that propel your organization toward success, ensuring that each step taken is grounded in solid analysis and foresight.

Simulistics is dedicated to developing and distributing Simile, an advanced software solution designed to model and simulate complex dynamic systems in the fields of earth, environmental, and life sciences. Our unique declarative modeling technology, based on logic, offers a clear and visually appealing way to illustrate the interactions present in these systems. By leveraging Simile, researchers in science can streamline their modeling efforts, leading to quicker model preparation, easier resource sharing, and improved maintenance practices. The software also incorporates an object-oriented approach that simplifies the management of disaggregation and individual-based models. Users enjoy the advantage of auto-generated C++ model code, which enhances execution speed significantly. A notable aspect of our software is the availability of plug-and-play modules that facilitate modular modeling; this feature allows users to extract and utilize any model component independently. In addition, our customizable plug-in displays enable users to design graphics that are specifically tailored to their fields of study. With its emphasis on declarative model representation, the manipulation of complex models becomes an uncomplicated task, which greatly boosts productivity in scientific research. As a result, Simile emerges as an essential and adaptable tool that caters to the varied requirements of researchers across multiple scientific disciplines, fostering innovation and collaboration in their work.

Simcad Pro provides a dynamic platform for visualizing, analyzing, and enhancing process flow systems through an engaging simulation modeling interface. Users can refine, plan, and restructure their workflows and procedures, while also improving layouts, automation, scheduling, and overall facility performance. By incorporating both historical and real-time data, Simcad Pro stands out as one of the premier simulation tools available in the market today. Its applications span a range of industries such as manufacturing, automation and logistics, distribution warehousing, food and beverage, and various service sectors. The software features a robust multi-threaded 64-bit engine that supports real-time adjustments during the simulation process, enabling users to make on-the-fly modifications. Additionally, users can animate their models in 3D, 2D, and virtual reality, utilizing advanced ray tracing, lighting effects, and shadowing techniques. The platform offers a unified model-building environment that employs intelligent, spatially aware agents, facilitates sub-flows, and features collision avoidance capabilities. Furthermore, it includes tools for spaghetti diagrams and congestion analysis, along with heat maps for efficiency and overall equipment effectiveness (OEE). With extensive reporting and analysis functionalities, users can leverage the scenario analyzer to explore various operational scenarios and optimize their systems effectively.

OnScale emerges as a trailblazing platform in the realm of Cloud Engineering Simulation, combining sophisticated multiphysics solver technology with the limitless power of cloud supercomputers. This cutting-edge solution allows engineers to run numerous full 3D multiphysics simulations simultaneously, facilitating the development of genuine Digital Prototypes that accurately reflect the operational dynamics of complex high-tech devices. Aiming to provide an outstanding experience in Cloud Engineering Simulation, OnScale Solve is crafted to be intuitive, resilient, and efficient. It functions effortlessly on both public and private cloud infrastructures and includes a user-friendly web interface, an API for seamless integration into existing workflows, customizable scripting options for personalized engineering analyses, and plugins that enhance its modeling capabilities. Additionally, OnScale Solve empowers engineers to synthetically produce data essential for training sophisticated AI/ML algorithms, thus fostering technological innovation. This all-encompassing platform ensures engineers possess the necessary tools to redefine the limits of simulation and design, ultimately driving progress in engineering disciplines. By integrating these features, OnScale not only enhances the simulation process but also encourages a collaborative environment for engineers to explore new frontiers in technology.

Since 1994, Predator Software has been at the forefront of automating manufacturing processes globally. Their pioneering software applications have garnered multiple awards, showcasing their innovative approach. As a prominent player in Industry 4.0, lean manufacturing, and industrial networking, Predator Software offers a comprehensive suite of solutions. Their SFC technology encompasses a range of capabilities, including CNC networking, overall equipment effectiveness (OEE) monitoring, data collection, machine simulation and verification, tool management, and gage crib management. Additionally, they provide traveler management, CNC post-processing, flexible manufacturing systems, and robotic cell control software, demonstrating their commitment to enhancing operational efficiency and productivity in manufacturing environments. With a focus on continuous improvement, Predator Software is poised to drive the future of manufacturing technology.

ENVI-met is an advanced three-dimensional simulation tool that assists in microclimate analysis, catering to various domains such as urban planning, architectural innovation, and energy efficiency enhancement by considering a multitude of climatic factors instead of limiting itself to a single aspect. This powerful software can simulate a variety of climate conditions, accounting for both day and night temperature fluctuations, humidity, wind speeds, and solar exposure in urban settings. Moreover, it offers insights into the effects of different building materials, such as glass and stone, on the surrounding microclimate. By assessing how changes in urban design impact both the microclimate and the comfort levels of city residents, ENVI-met proves to be an essential asset for municipalities worldwide. As the urgency to address climate change intensifies, the creation of healthier and more resilient urban spaces has become a critical pursuit. Consequently, ENVI-met plays a pivotal role in analyzing the potential effects of new developments, green areas, and urban planning projects, empowering stakeholders to make informed choices that encourage sustainability and enhance community health. This multifaceted approach highlights the software's significance in driving forward-thinking solutions for the pressing challenges faced by modern cities. In doing so, ENVI-met not only supports environmental objectives but also fosters a deeper understanding of urban dynamics.

Energy2D is an interactive multiphysics simulation tool rooted in computational physics, tailored to model the three main modes of heat transfer: conduction, convection, and radiation, while also incorporating particle dynamics. This software is designed to run smoothly on a variety of computer systems, streamlining the workflow by eliminating the need to switch between different preprocessors, solvers, and postprocessors typically required in computational fluid dynamics studies. Users can conduct "computational experiments" to investigate scientific theories or tackle engineering problems without the necessity for complex mathematical models. Furthermore, ongoing development aims to introduce additional energy transformation types and improve the software's compatibility with various fluid types. Although Energy2D is particularly strong in simulating conduction, its modeling of convection and radiation lacks complete accuracy, indicating that findings related to these processes should be interpreted as qualitative rather than quantitative. More than 40 scientific papers have cited Energy2D as a significant research tool, highlighting its integration into the academic landscape. As the program continues to advance, users can anticipate further enhancements in its features, which could lead to deeper understandings of intricate physical interactions, making it an even more indispensable resource for researchers and engineers alike.

OpenModelica is an open-source platform dedicated to modeling and simulating systems through the Modelica language, serving both the industrial and academic realms. Its advancement is propelled by the Open Source Modelica Consortium (OSMC), a non-profit organization committed to furthering this initiative. Aiming to provide a comprehensive environment for Modelica modeling, compilation, and simulation, OpenModelica is offered in both binary and source code formats, thus facilitating research, education, and real-world applications in various industries. The platform is designed to be compatible with various operating systems, including Windows, Linux, and macOS, and it fully supports the Modelica Standard Library. It is engineered to facilitate the development and implementation of a diverse array of numerical algorithms, making it particularly useful for tasks such as control system design, solving nonlinear equations, and creating optimization algorithms for complex applications. In addition, the platform features tools for debugging, visualization, and animation, which not only improve user engagement but also significantly enhance the efficiency of modeling and simulation workflows. Furthermore, OpenModelica's adaptability and comprehensive toolset make it indispensable for engineers and researchers who seek to innovate and solve complex problems effectively.

FlexSim empowers you to accurately address any inquiries concerning your organization. This robust simulation software was designed from the beginning to ensure that simulation remains user-friendly while maintaining high functionality and visual attractiveness. Utilizing intuitive drag-and-drop controls and straightforward features, you can craft impressive, intricate models that yield impactful results akin to those found in charts or spreadsheets, enhancing your analytical capabilities significantly. Additionally, the platform's versatility allows for a wide range of applications across different industries, making it an invaluable asset for any business.

To begin using CAEplex, simply open a web browser such as Chrome or Firefox and search for "caeplex." It's designed to work flawlessly across all primary operating systems, including Windows, MacOS, GNU/Linux, iOS, and Android. The computationally intensive tasks are processed on our servers, which means that CAEplex is accessible from nearly any computer, laptop, tablet, or smartphone without requiring any hardware improvements or upkeep. There is no need to invest in new devices or upgrade the RAM in your older machines. One of the key advantages of CAEplex is its unique blend of "ease and speed," enabling users to go from inputting data to receiving final results in less than a minute through our efficient three-step procedure. If you discover any finite element analysis software that outperforms ours, we would be eager to learn about it. CAEplex also allows access from any mobile device, including older or damaged smartphones and tablets, ensuring that you can present and manage your projects anytime, anywhere. By integrating simulation—what we refer to as "modeling"—with additive manufacturing and smooth online collaboration, you can greatly enhance your development process. This adaptability ensures you can maintain high productivity levels, no matter where you are or the limitations of your device. Ultimately, CAEplex empowers you to focus on innovation without being hindered by technical constraints.

WELSIM finite-element analysis software offers engineers and researchers the tools necessary to develop virtual prototypes and perform in-depth simulation studies of their designs. This powerful software enables users to analyze various parameters and optimize their products before physical production.

The globe is undergoing constant and rapid changes, presenting fresh challenges, innovations, and opportunities every single day. As we navigate these developments, what strategies can we employ to stay aligned with them? Moreover, how can we maintain an environment that is efficient, secure, and sustainable? Acknowledging the repercussions of our decisions and actions is vital in this journey. We need to think about how to design, manage, enhance, and supervise our cities, essential infrastructure, and supply chains effectively. InControl software tackles these challenges throughout all phases of the life cycle. It transforms the data collected into predictive and reliable analytics, which enhances our understanding of complex infrastructures. By sharing the results and insights derived from intricate and volatile situations with your stakeholders, partners, and clients, you can effectively manage aspects like time, cost, resources, productivity, reliability, safety, and sustainability. Additionally, Simulation Software allows you to evaluate potential or future investments in resources with greater efficacy. By optimizing and unifying processes, it promotes a "one time right" strategy for deployment, ultimately minimizing time, effort, and costs. Adopting these innovative tools is crucial for success in a world that continues to change rapidly, enabling us to not only keep up but also thrive amid uncertainty. In doing so, we position ourselves to harness the full potential of these advancements for a brighter future.

Simright Simulator provides the ability for users to import CAD models and conduct structural analysis seamlessly within a web browser, which enhances its user-friendliness significantly. Individuals lacking prior experience in CAE analysis can quickly execute simulations without difficulty. This versatile tool is designed to tackle complex structural issues across multiple sectors through its online interface. Employing CAE technology, it effectively reduces the costs tied to physical experiments, thereby enabling users to make better-informed decisions. Additionally, its easy accessibility allows a broader range of individuals to take advantage of advanced analysis features, which in turn boosts both productivity and innovation across various fields. The convenience of accessing such powerful tools online also fosters a collaborative environment where ideas can be shared and developed more efficiently.

OpenFOAM is a free and open-source computational fluid dynamics (CFD) software that has been created by OpenCFD Ltd since 2004. It is supported by a large user community that includes individuals from numerous engineering and scientific disciplines, encompassing both industrial and academic users. This software provides an extensive range of functionalities designed to tackle numerous challenges, including complex fluid dynamics with chemical reactions, turbulence, heat transfer, and applications in areas such as acoustics, solid mechanics, and electromagnetics. To promote ongoing advancements, OpenFOAM is updated twice a year, incorporating improvements that are financed by users and contributions from the broader community. The software is meticulously tested by ESI-OpenCFD's application experts, development partners, and selected clients, all bolstered by ESI's global infrastructure and dedication to maintaining high standards. Quality assurance is upheld through a rigorous testing process, which includes hundreds of daily unit tests, a series of moderate tests performed weekly, and a comprehensive, industry-oriented test suite. This diligent strategy guarantees that OpenFOAM remains dependable and effective for its various users. Beyond that, the cooperative aspect of its development nurtures an active community that consistently propels innovation within the software, enhancing its capabilities and user experience. This dynamic environment not only enriches the software itself but also fosters collaboration among its users, leading to shared knowledge and advancements in the field.

DWSIM is a powerful and free chemical process simulator that complies with CAPE-OPEN standards and operates smoothly across various platforms, including Windows, Linux, macOS, Android, and iOS. Featuring an intuitive graphical interface, it offers functionalities previously found only in commercial software solutions. The simulator is particularly effective in both steady-state and dynamic modeling thanks to its parallel modular solver, which boosts efficiency. Users benefit from advanced property packages, enhancing the simulation experience. DWSIM provides a wide range of unit operations, such as mixers, splitters, separators, pumps, compressors, expanders, heaters, coolers, valves, pipe segments, shortcut columns, heat exchangers, a diverse selection of reactors, distillation and absorption columns, solids separators, and cake filters, in addition to supporting spreadsheets, Python scripts, and flowsheet unit operations. It also features an Excel Add-In that enables users to perform thermodynamic calculations directly within their spreadsheets, along with an automation API that streamlines the creation, modification, execution, and saving of flowsheets. This comprehensive tool is designed to cater to the diverse needs of chemical engineers, thereby enhancing productivity and accuracy in process simulations. With its extensive capabilities and user-focused design, DWSIM is truly a vital asset for industry professionals seeking effective simulation solutions.

Simio is a simulation software that emphasizes production scheduling and planning through an object modeling approach. The main objective of this solution is to equip organizations of all sizes and industries with efficient tools for rapid risk evaluation and identifying cost-saving possibilities. To meet the diverse needs of businesses, Simio is available in five unique versions: Personal, Design, Team, Enterprise, and Portal. Furthermore, an Academic Edition is available, catering specifically to students and educators. This extensive selection of versions guarantees that users can choose one that fits their unique requirements and goals effectively, enhancing their operational capabilities in various contexts.

As power systems progress, the need for accurate and intuitive simulation tools is on the rise. PSCAD offers a platform where users can easily design, simulate, and model their systems, providing limitless possibilities for power system analysis. The software comes equipped with a comprehensive library that encompasses a wide range of system models, from simple passive components and control functionalities to complex electric machines and advanced devices. Over the span of more than forty years, PSCAD has undergone remarkable advancements, largely fueled by the feedback and insights from its global user community. This collaborative approach has established PSCAD as the premier option for transient simulation in power systems currently available on the market. Regular maintenance of your software is a cost-effective strategy to protect, support, and optimize your investment, ensuring that you receive the utmost benefit from your tools. Moreover, consistent updates and support keep users informed about the latest features and innovations, significantly enriching their simulation experience. This ongoing commitment to improvement not only enhances usability but also strengthens user confidence in the software's capabilities.