Download of itksnap-nightly-rel_3.4-win32-AMD64.exe (itksnap-nightly-rel_3.4-win32-AMD64.exe ( external link: SF.net): 22,934,679 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.