mportant News: On 1 January 2012 Kekus stopped selling Calico and LensFix in order to care for a family member. As my care for my family member will continue into the foreseeable future, I suspended my license for the SIFT patent. My by agreement with the University of British Columbia, I will no longer distribute the SIFT-based Calico. This does not mean that your licensed version will expire. It will continue to function. However, be sure to backup your copy!
As a service to my customers, here is a link to the latest version which I find to work on Mac OS 10.6.8 through 10.9.