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myPhysicsLab vs OPEM

myPhysicsLab

7.5#4 in physics simulation softwareFree plan
Free planWebLinuxmacOSSelf-hosted
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OPEM

6.4#46 in physics simulation softwareFree plan
Free planWebAPILinuxWindows
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What both publish

FactmyPhysicsLabOPEM
Delivery modehybriddesktop
Free planYesYes
LicenseThe software is open source under the Apache 2.0 License, and its source code is available on GitHub.The GitHub repository lists an MIT license.
Offline accessYesYes
PurposemyPhysicsLab provides interactive, real-time animated physics simulations that users can change by dragging objects and adjusting parameters.OPEM models and evaluates proton-exchange membrane fuel-cell performance using static and dynamic models.
SupportThe author identifies himself as Erik Neumann and provides an email address on the home page; no support plan is listed there.The README directs users to file an issue or email [email protected] for bug reports, and mentions a Discord server.

myPhysicsLab plans

  • Free and open sourceFree

OPEM plans

  • OPEMFree

Pick myPhysicsLab if…

It suits learners and educators exploring physics concepts, as well as developers who want to customize interactive simulations. Users can also download versions for offline viewing.

Pick OPEM if…

You want what its maker publishes above — check its page for the details.

Charts they share