17.3
AnyLogic is simulation modeling software for analyzing and optimizing complex systems and processes across industries.
Free planWebAPILinux
Best Simulation Software in 2026
Simulation software lets you represent processes, physical systems or interacting agents and examine how a model behaves. This category covers tools compared on model types, analysis methods, deployment and access options. Check the platforms for the tool you want before installing: listed options include Windows, Linux, macOS, web, API and self-hosted setups. Compare pricing, free access, model support and the…
27.2
ExtendSim is process simulation software for decision-makers assessing improvement opportunities and possible system configurations.
WebAPISelf-hosted
36.9
COMSOL Multiphysics is desktop simulation software for designs, devices, and processes in engineering, manufacturing, and scientific research.
WebAPILinux
- 4
RoboDK
Free planWebLinuxmacOSWindows6.8From €145 a year - 5
CATIA
CATIA is a paid parametric design and engineering tool for creating models and assemblies.
WebWindows6.5From $6,537 a year - 6
ICEM Surf
ICEM Surf is a Windows tool for defining, analyzing, and visualizing complex free-form CAD surfaces.
Free planWindows6.3Free plan - 7
Ansys Fluent
Ansys Fluent is computational fluid dynamics software for simulating fluid-flow phenomena with advanced numerics.
LinuxSelf-hostedWindows6.1 - 8
OrCAD X
OrCAD X is an electronic design automation platform for schematic capture, PCB layout, and circuit simulation, aimed at small and medium-sized…
WebWindows6.1 - 9
SIMION
LinuxWindows6.1 - 10
Ansys SpaceClaim
Ansys SpaceClaim is Windows 3D modeling software for engineers who want to work without learning complex traditional CAD systems.
Windows5.9 - 11
FlexSim
FlexSim is 3D discrete-event simulation software for modeling and improving existing or proposed systems.
WebWindows5.8 - 12
TourNet Pro
TourNet Pro is a web-delivered reporting application for drilling contractors, providing operational views of rig performance at rig, regional, and fleet levels.
Web5.8 - 13
Rockwell Automation Finite Scheduler
Rockwell Automation Finite Scheduler is a containerized API application for finite-capacity production scheduling.
API5.7 - 145.1
- 15
Simulink
WebLinuxmacOSWindows5.0 - 16
VisualSim Architect
WebLinuxmacOSWindows5.0 - 17
GT-SUITE
WebLinuxWindows4.9 - 18
Adams
LinuxWindows4.8 - 19
Demeter
LinuxmacOSWindows4.8 - 20
MapleSim
LinuxmacOSWindows4.8 - 21
MCNP
LinuxmacOSWindows4.8 - 22
OpenFOAM
LinuxmacOSWindows4.8 - 23
Powersim Studio
WebWindows4.8 - 24
Simul8
WebWindows4.8 - 25
AIBECS.jl
LinuxmacOSWindows4.7
Choosing well
Check where it runs
Platform support differs across tools. Listed options include Windows, Linux, macOS, web, API and self-hosted deployment.
If you want to work from a Xiaomi or Redmi phone, check for an Android app or a usable web interface before choosing.
Compare free access and paid terms
The comparison includes free plans and paid-from information. A free plan is available from tools such as AIBECS.jl, AnimatLab and Demeter, while some paid tools list pricing on request.
AnyLogic lists a free plan and a 30-day trial. Ansys SpaceClaim lists a free trial, so check what access lasts and what the paid terms cover.
Match the model to your work
Use the comparison fields for discrete-event, system-dynamics and agent-based models when selecting a tool. These approaches represent different kinds of processes and interactions.
Finite-element analysis and multiphysics simulation are separate fields in the comparison. Check the capabilities you need rather than assuming a tool covers every method.
Plan deployment and integration
Cloud deployment and API access are comparison points for this category. They matter when a model must run remotely or connect with another application.
Self-hosted platforms are also listed. Confirm whether the tool's deployment option and API fit your security, hosting and automation needs.
Read the licence details
Pricing labels include free, freemium and paid models, with open-source status noted for Demeter. Read the licence and usage terms before relying on a free or open-source option.
Documentation and readable pricing are part of the ranking basis, but product terms can differ. Check the maker's current page for the conditions that apply to your use.
Questions people ask
Can I start with a free simulation tool?
Yes. AIBECS.jl, AnimatLab and Demeter list free access. AnyLogic lists a free plan and a 30-day trial; read the terms before starting.
Which model types can I compare?
The comparison covers discrete-event, system-dynamics and agent-based models, plus finite-element analysis and multiphysics simulation.
Do these tools provide API access?
API access is a comparison field for the category. Check the individual tool's listing and product documentation for its available interface.
Can I run a simulator in the cloud?
Cloud deployment is a comparison field. Platform listings also include web and self-hosted options, so verify the deployment method for the tool you choose.