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SUMO is a microscopic, multi-modal traffic simulation.
SUMO is an open source, highly portable, microscopic and continuous traffic simulation package designed to handle large networks. It allows for intermodal simulation including pedestrians and comes with a large set of tools for scenario creation.
The code and the issue tracker can be found at https://github.com/eclipse-sumo/sumo/
The documentation can be found at https://sumo.dlr.de/docs/
"gtdev" is an open source tool which assists the engineer in developing a new gas turbine (1D Thermo- and Aerodynamics). It is created by the student research group "Hummingbird - TUM Gas Turbines" placed at the LFA, TU Munich: http://www.hummingbird.tum.de
PyMbs has moved to Bitbucket: https://bitbucket.org/pymbs/pymbs PyMbs is a Python library for modelling holonomic multibody systems. It is able to generate simulation code for Python, Modelica and Matlab.