OpenFOAM®is open source CFD software. Since it is using the GNU GPL license, anyone can use it freely and can modify and redistribute it.
FAMUS (Meshless CFD)
FAMUS is a CFD analysis software that does not require volume mesh by using a meshless method. Since, it calculates flows using only the properly distributed points in space, anyone can easily and effectively perform flow analysis without generation of a mesh that takes excessive time and effort
Image measurement technology is a technology that can measure the three-dimensional position of a target using an optical camera and even measure a three-dimensional posture.