20-sim Alternatives

OpenModelica – A Free Modelica Environment!

Altair Activate is an open & flexible tool for rapidly modeling and simulating products as multi-disciplinary systems in the form of 1D models (expressed as signal-based or physical block diagrams), optionally coupled to 3D models.

Xcos is a graphical editor to design hybrid dynamical systems models.

A high-level language and interactive environment for numerical computation, visualization, and programming

Dymola is a thorough utility for displaying and reproducing incorporated and complex frameworks.

JModelica.org is an extensible Modelica-based open source platform for optimization, simulation and...

LMS Imagine.Lab AMESim is a simulation software for the modeling and analysis of one-dimensional...

GNU Octave is a programming language for scientific computing.

EMSO simulator is an equation-oriented process simulator with a graphical interface for modeling...

Reinteract is a system for interactive experimentation with Python

SimulationX is a system simulation solution provided by ESI ITI. The company has been operating for over 25 years. The SimulationX software was introduced in 2015. Read more about SimulationX.

a graphical dynamical system modeler and simulator

ANSYS engineering simulation and 3D design software delivers product modeling solutions with unmatched scalability and a comprehensive multiphysics foundation.