Best PySDM Alternatives in 2026
Taken from Physics Simulation Software, where PySDM is listed too, in the same order.
- 1
8.5 Club scoreSimFlow
SimFlow is desktop software for computational fluid dynamics, covering the workflow from mesh generation through post-processing.
- Free plan
- Windows · macOS · Linux · Web
- 2 8.4 Club score
Open Source Physics
Open Source Physics is a free, open-source collection of curriculum resources for physics, computation, and computer modeling.
- Free plan
- Windows · macOS · Linux · Web
- 3
8.4 Club scoreCOMSOL Multiphysics
COMSOL Multiphysics is desktop software for simulating designs, devices, and processes in engineering, manufacturing, and scientific research.
- Free trial
- Windows · macOS · Linux · Web
- 4
8.3 Club scoreOpenFOAM
OpenFOAM is an open-source computational fluid dynamics toolbox for simulating fluid flow, heat transfer, and related physical processes.
- Free plan
- Windows · macOS · Linux · Self-hosted
- 5 8.3 Club score
OpenSim
OpenSim is a free, open-source platform for modeling and simulating how humans, animals, robots and their environment interact and move.
- Free plan
- Windows · macOS · Linux · API
- 6 8.3 Club score
myPhysicsLab
myPhysicsLab is a free, open-source collection of interactive physics simulations and JavaScript classes for building animated models.
- Free plan
- Windows · macOS · Linux · Web
- 7 8.1 Club score
Xcos
Xcos is a graphical editor for designing models of hybrid dynamical systems in discrete and continuous time.
- Free plan
- Windows · macOS · Linux
- 8 7.9 Club score
FeenoX
FeenoX is a free, open-source computational engineering tool for advanced users working on GNU/Linux.
- Free plan
- Linux · Web · API · Self-hosted
- 9 7.9 Club score
GNU FisicaLab
GNU FisicaLab is a free desktop application that solves physics problems while handling the mathematical calculations.
- Free plan
- Windows · Linux
- 10
7.9 Club scoreSimScale
SimScale is a web-based cloud platform for engineering simulation across structural mechanics, fluid dynamics, thermodynamics, electromagnetics, and multiphysics.
- Free plan
- Web
- 11 7.9 Club score
DynamicalSystems.jl
DynamicalSystems.jl is a free, open-source Julia library for nonlinear dynamics and nonlinear time-series analysis.
- Free plan
- Windows · macOS · Linux
- 12 7.9 Club score
py-pde
- Free plan
- Windows · macOS · Linux · Self-hosted
- 13 7.8 Club score
MPTRAC
MPTRAC is a Lagrangian particle dispersion model for analyzing atmospheric transport in the free troposphere and stratosphere.
- Free plan
- Linux · Web · Self-hosted
- 14 7.8 Club score
ngspice
ngspice is a free, open-source simulator for electric and electronic circuits.
- Free plan
- Windows · macOS · Linux · Self-hosted
- 15 7.8 Club score
Physion
- Free plan
- Web
- 16
7.8 Club scoreASCEND
ASCEND is desktop software for engineers and scientists building and solving systems of equations.
- Free plan
- Windows · macOS · Linux
- 17 7.8 Club score
SimEvents
SimEvents is a desktop product for modeling message-based communication and other event-driven processes.
- Free trial
- Windows · macOS · Linux
- 18 7.7 Club score
OPEM
- Free plan
- Windows · Linux · Web · API
- 19
7.7 Club scoreFEATool Multiphysics
- Free trial
- Windows · macOS · Linux
- 20 7.7 Club score
FEST-3D
FEST-3D is a Fortran 90 finite-volume solver for aerodynamic Navier–Stokes problems on structured grids.
- Free plan
- macOS · Linux