Par2vel is a python toolbox for doing Particle Image Velocimetry (PIV). It is aimed for research and education. It is not as fast as commercial codes, but it should be easy to do your own design of processing. Since it is a toolbox, you will need to have some basic knowledge of the Python language. If you look at a few examples, you will probably get the idea. So - the user interface is using a python script or command prompt. There are no menu or windows.
The present version is only capable of basic two-component PIV and is under development for stereoscopic PIV.
The toolbox is open source, and you are very welcome to contribute to the code.
The main developer of the code is:
Knud Erik Meyer
Department of Mechanical Engineering
Technical University of Denmark
DK-2800 Kongens Lyngby
e-mail: keme@dtu.dk