Neuro Image Research and Analysis Laboratory Apache License 2.0 Yes University of North Carolina at Chapel Hill NITRC CalaTK - Atlas Building TK C++ Yundi Shi CalaTK is an open-source toolkit for cross-sectional and longitudinal atlas building. The CalaTK project develops innovative methods and tools for longitudinal atlases with a focus on neurodevelopment. The computational toolbox is developed with the objective to analyze the neural developmental patterns observed in human and non-human primate structural and diffusion tensor magnetic resonance (MR) images. CalaTK - Atlas Building TK Apache License 2.0, C++, Atlas Application, Image-to-Image, Algorithm or Reusable Library, MR, Computational Neuroscience, Developers, End Users, 4 - Beta http://www.nitrc.org/projects/calatk/, http://www.calatk.org/ yundiuu@gmail.com