Freeware Yes www.diatrack.org NITRC Diatrack particle tracking software Diatrack, powerful particle tracking (win64) Benchmark object tracking software for 2D and 3D applications, such as biological imaging, rheology, or single molecule imaging. Reliably follow and characterize hundreds of objects simultaneously with a precision that reaches 0.01 pixels (depending on data). DiaTrack provides a compelling set of tools to extract quantitative information from image sequences. Diatrack can be downloaded under www.diatrack.org/contact.html zip file is about 30MB; additional Mathworks libraries are automatically downloaded and installed by Setup. Diatrack particle tracking software Freeware, Domain Independent http://www.nitrc.org/projects/diatrack/, http://www.nitrc.org/projects/diatrack/