Random phenomena generator
PySCeS is the Python Simulator of Cellular Systems
mujoco-py allows using MuJoCo from Python 3
OpenNum lets you distribute solvers with a nice graphical interface
Real-time interactive 3D graphics API for scientific simulations
A framework for simulating open quantum dynamics
The FMI++ PowerFactory FMU Export Utility
a Toolset for Molecular Mechanical Force Field Parameterization
TCP Experiment Automation Controlled Using Python
Acoustic Simulation Library for Frequency and Time Domain Simulations.
GMES is a free Python package for FDTD electromagnetic simulations.
A collection of useful tools for astrophotographers
A FDTD solver for electromagnetic wave simulations on a GPU cluster
A Library for Interactive Modelling and Visualisation
SaaS for running simulation models in the cloud
e500v2 simulator
The open source Algorithmic Trading System