SimFlow
by SimFlowFreemium desktop software offers authoring tools and supports Linux, macOS, Windows, and web.
Free plan Free trial From €8,000 a year WebWindowsMacLinux
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Best Physics Simulation Software 2026
Facts read 28 Sep 2026 – 12 Oct 2026
SimFlow leads this list of 89 (record score 7.8, free plan). Open Source Physics is next (record score 7.6, free plan), and OpenFOAM is the next highest-placed with a free plan (record score 7.4).
This list covers physics simulation software for readers comparing tools for creating or running physics simulations.
The standings: top 10
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 SimFlow | Freemium desktop software offers authoring tools and supports Linux, macOS, Windows, and web. | 7.8 | €8,000 a year | Free plan | Web, Windows, Mac, Linux | 28 Sep 2026 |
| 02 Open Source Physics | Open-source physics lessons and tools run on mobile devices, desktops, and browsers. | 7.6 | Free plan | Free plan | Android, iPhone & iPad, Web, Windows | 11 Oct 2026 |
| 03 OpenFOAM | Free simulator supports Linux, macOS, Windows, and self-hosted deployments. | 7.4 | Free plan | Free plan | Windows, Mac, Linux, Self-hosted | 11 Oct 2026 |
| 04 OpenSim | OpenSim suits research and teaching, as well as academic and commercial work involving movement models and simulations. | 7.2 | Free plan | Free plan | Windows, Mac, Linux, API | 30 Sep 2026 |
| 05 Xcos | 7.2 | Free plan | Free plan | Windows, Mac, Linux | 11 Oct 2026 | |
| 06 COMSOL Multiphysics | Paid desktop physics software for Linux, macOS, Windows, web, API and self-hosted use. | 7.1 | — | Free trial | Web, Windows, Mac, Linux | 2 Oct 2026 |
| 07 ngspice | It suits people working with circuit netlists who need analog, digital, or mixed-signal simulation. | 7.0 | Free plan | Free plan | Windows, Mac, Linux, Self-hosted | 7 Oct 2026 |
| 08 GNU FisicaLab | It suits learners who want to focus on physics concepts before solving problems by hand. | 6.9 | Free plan | Free plan | Windows, Linux | 11 Oct 2026 |
| 09 Physics Classroom Physics Interactives | About 100 browser physics simulations offer skill practice, challenges, and free Concept Checkers. | 6.9 | Free plan | Free plan | Android, iPhone & iPad, Web | 12 Oct 2026 |
| 10 FeenoX | FeenoX is aimed at advanced users, including engineers, Unix hackers, and academics who work with engineering problems on GNU/Linux. | 6.9 | Free plan | Free plan | Web, Linux, API, Self-hosted | 28 Sep 2026 |
The page does not publish a ranking basis. Use its comparison fields to review pricing, delivery mode, lesson and authoring tools, assessment, visuals, offline access and export.
02
Open Source Physics
Open-source physics lessons and tools run on mobile devices, desktops, and browsers.
AndroidiPhone & iPadWeb+3 Record7.6 Visit
03
OpenFOAM
Free simulator supports Linux, macOS, Windows, and self-hosted deployments.
WindowsMacLinux+1 Record7.4 Visit
04
OpenSim
OpenSim suits research and teaching, as well as academic and commercial work involving movement models and simulations.
WindowsMacLinux+1 Record7.2 Visit
05
Xcos
WindowsMacLinux Record7.2 Visit
6
COMSOL Multiphysics
WebWindowsMac+3 — Record7.1 Visit Paid desktop physics software for Linux, macOS, Windows, web, API and self-hosted use.
7
ngspice
WindowsMacLinux+1 Free plan Record7.0 Visit It suits people working with circuit netlists who need analog, digital, or mixed-signal simulation.
8
GNU FisicaLab
WindowsLinux Free plan Record6.9 Visit It suits learners who want to focus on physics concepts before solving problems by hand.
9
Physics Classroom Physics Interactives
AndroidiPhone & iPadWeb Free plan Record6.9 Visit About 100 browser physics simulations offer skill practice, challenges, and free Concept Checkers.
10
FeenoX
WebLinuxAPI+1 Free plan Record6.9 Visit FeenoX is aimed at advanced users, including engineers, Unix hackers, and academics who work with engineering problems on GNU/Linux.
12
SimScale
Web Free plan Record6.7 Visit Freemium browser-based physics simulator includes a lesson library.
13
SimEvents
WindowsMacLinux — Record6.7 Visit Desktop simulation software for modeling systems with discrete events on Linux, macOS and Windows.
14
Step
Linux Free plan Record6.7 Visit Free Linux desktop physics app offers lessons and authoring tools without 3D visuals.
15
FEATool Multiphysics
WindowsMacLinux — Record6.7 Visit Multiphysics desktop app runs on Linux, macOS and Windows and includes lessons.
16
Ansys Fluent
WindowsLinuxSelf-hosted — Record6.5 Visit Paid software runs on Linux, Windows, or self-hosted systems and provides 3D visuals plus data export.
17
MPTRAC
WebLinuxSelf-hosted Free plan Record6.5 Visit Free physics software for Linux, web and self-hosted use, with no lesson or authoring tools.
18
FEST-3D
MacLinux Free plan Record6.5 Visit FEST-3D suits users working on aerodynamic flow simulations who can build and configure scientific software.
20
DynamicalSystems.jl
WindowsMacLinux Free plan Record6.4 Visit Free desktop physics software with authoring tools for Linux, macOS and Windows.
21
myPhysicsLab
WebWindowsMac+2 Free plan Record6.4 Visit Free physics simulations delivered through a hybrid web and self-hosted application.
Before you choose
Compare ways to start
Check whether a tool lists a free plan, a paid starting price or a free trial. These labels describe different ways to begin, so read the pricing note before choosing.
Match the delivery mode
The list records Linux, macOS, Windows, self-hosted, web and API delivery. Choose the mode that fits where you need to run or connect to the software.
Review lesson and authoring features
Compare the lesson library, authoring tools and assessment tools fields. These fields help distinguish software for prepared lessons from software you configure yourself.
Check visual output
Use the 3D visuals field when visual presentation matters. Read the listing details to confirm what kind of visual output a tool provides.
Plan for access and export
Offline access can matter when a connection is unreliable. Check data export support if you need to move results or materials into another workflow.
Read the licence
If source access or reuse matters, check the licence details for the tool you are considering. A free plan does not describe the same terms as an open-source licence.
Questions
Which delivery modes appear on this list?
The comparison covers Linux, macOS, Windows, self-hosted, web and API delivery.
Can I try a physics simulation tool for free?
Check the listing for a free plan or a free-trial note. These are separate pricing fields.
What features can I compare?
The list compares free plan, paid from, delivery mode, lesson library, authoring tools, assessment tools, 3D visuals, offline access and data export.
Does a free plan mean the software is open source?
No. Free-plan status and open-source status are separate fields. Review the licence information for the tool you are considering.
Why check offline access?
Offline access can affect whether you can use a tool without a network connection. Check the listing's offline-access field.
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