Stack Overflow - Community-based Q&A part of the Stack Exchange platform.
ANSYS Fluent - ANSYS engineering simulation and 3D design software delivers product modeling solutions with unmatched scalability and a comprehensive multiphysics foundation.
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Simscale CFD - SimScale CFD is a cloud-based leading CAE platform that offers access to CFD, FEA, and thermodynamics simulation capabilities 100% via a standard web browser.
Askalot - Askalot is a next generation CQA (Community Question and Answer) system.
CFDTool - An Easy to Use MATLAB Computational Fluid Dynamics CFD Simulation GUI Toolbox