Imagej is a scientific image processing software designed for Macintosh, which can be displayed, edited, analyzed, handled 8-bit, 16-bit, and 32-bit images. Since Imagej is developed with Java, it can almost run on any platform.
Http://rsb.info.nih.gov/ij/
Imagej is a public domain java image processing program inSpired By, IMAING DOMAIN
NiH Image for the Macintosh. IT Runs, Either As an Online Applet OR As a Downloadable Application, ON ANY COUTER WITH A Java 1.1 Or Later Virtual Machine. Downloadable Distributions Are
Available for windows, mac os, mac OS x and linux.