Wayne Rasband Research Services Branch, National Institute of Mental Health, Bethesda, Maryland, USA. Public domain 2013 ImageJ is a public domain Java image processing program inspired by NIH Image for the Macintosh. It runs, either as an online applet or as a downloadable application, on any computer with a Java 1.4 or later virtual machine. Downloadable distributions are available for Windows, Mac OS, Mac OS X and Linux. CIAO 4.5 LUT files ImageJ homepage CIAO LUT page The CIAO project has converted the ImageJ colour maps to the CIAO LUT format, these file being particularly easy to convert to the cpt format.