Download of itksnap-1.9.6-20090701-Darwin-Universal.zip (itksnap-1.9.6-20090701-Darwin-Universal.zip ( external link: SF.net): 12,896,038 bytes) will begin shortly. If not so, click link on the left.
ITK-SNAP is a tool for segmenting anatomical structures in medical images. It provides an automatic active contour segmentation pipeline, along with supporting manual segmentation toolbox. ITK-SNAP has a full-featured UI aimed at clinical researchers.