47,133 repositories indexed
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Eclipse 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.
Model-rocketry aerodynamics and trajectory simulation software
High-performance C++ library for multiphysics and multibody dynamics simulations
High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton.
A set of documented functions for simulating the performance of photovoltaic energy systems.
Open-source GNSS + inertial navigation, sensor fusion simulator. Motion trajectory generator, sensor models, and navigation
Kratos Multiphysics (A.K.A Kratos) is a framework for building parallel multi-disciplinary simulation software. Modularity, extensibility and HPC are the main objectives. Kratos has BSD license and is written in C++ with extensive Python interface.
A coupling library and ecosystem for partitioned multi-physics and multi-scale simulations, including surface and volume coupling.
Exascale multiphase flow solver — 2025 Gordon Bell Prize Finalist | 200T grid points on 43K+ GPUs
An extension for Inkscape that makes it easier to draw optical diagrams.
One open-source modeler for structures, heat and fluids, built from scratch in pure Rust: parametric part in, verified results out. Automatic all-hex and tet meshing, our own nonlinear implicit and explicit FEA, heat transfer and lattice Boltzmann CFD — every result checked against theory. For engineers and AI agents alike. Free, forever.
OpenAeroStruct is a lightweight tool that performs aerostructural optimization using OpenMDAO.
City Energy Analyst (CEA) is an open-source urban building energy modeling (UBEM) platform and computation tool for the design of low-carbon and highly efficient cities.
OPEM (Open Source PEM Fuel Cell Simulation Tool)
A python Two Source Energy Balance model for estimation of evapotranspiration with remote sensing data
OFF, Open source Finite volume Fluid dynamics code
An open-source mathematical tire modelling library
A open source ballistics calculator
OpenCL based GPU accelerated SPH fluid simulation library
Accurate segmentation of bacterial microscope images using deep learning synthetically generated image data.
Open source ballistics library
Winner of the Golem Gitcoin Hackathon 2020 (https://blog.golemproject.net/meet-the-winners-golem-gitcoin-hackathon-2020/). This app lets people design, simulate, and analyse antenna arrays without the need to utilize commercial and expensive applications.