Open Source Simulation
Open-source software for mathematical modeling and simulation, providing affordable alternatives to commercial suites.
Updated June 21, 2026
Products that define this theme
A representative set of Simulation & CAE Software products that exemplify Open Source Simulation, curated as a starting point for finding similar software.
Selected from G2's verified user reviews and ratings, then matched to this theme for relevance.
How Did G2 Choose These Open Source Simulation Products?
The 6 products shown represent a defining sample for the "Open Source Simulation" theme within Simulation & CAE Software on G2 — not an exhaustive list. They are a curated starting point for discovering similar software.
- Sourced from products with verified G2 user reviews and ratings.
- Matched to this theme based on each product's described capabilities and fit, ordered by relevance.
- Rankings and inclusion are unbiased and are not influenced by vendor payment.
Refreshed weekly. Last updated: June 21, 2026.
DWSIM is an open-source CAPE-OPEN compliant chemical process simulator.
Freemat is a free environment for rapid engineering, scientific prototyping and data processing using the same language as Matlab and GNU Octave.
GNU Octave is an open-source mathematical modeling and simulation software very similar to using the same language as Matlab and Freemat.
Scilab is a free open-source software for numerical computation and simulation similar to Matlab/Simulink.
OpenFOAM is an open-source software used for computational fluid dynamics (or CFD).
OpenSim is an open-source software system for biomechanical modeling.