The Open Source CFD Toolbox
Data Analysis, Simulations and Visualization on the Sphere
SUMO is a microscopic, multi-modal traffic simulation.
FEATool Multiphysics is an easy-to-use FEA and CFD Simulation Toolbox
System dynamics program with additional features for economics
Ab initio simulator for thermal transport and lattice anharmonicity
A code primarily aimed at DNA and RNA coarse-grained simulations
OpenCL support for GNU Octave
A simulation library for discrete event and hybrid dynamic systems.
Random phenomena generator
Wind Turbine Rotor Design and Simulation
Draw and Simulate Finite States Machines (FSM)
Real-time interactive 3D graphics API for scientific simulations
AVR simulator IDE
Application Integration for HPC Multiphysics
The FMI++ PowerFactory FMU Export Utility
Optimer: a SPICE base electrical/ electronic circuit optimization tool
OpenM++: open source microsimulation platform
The DREAM toolbox is a free open source acoustic field simulation tool