High Quality Content by WIKIPEDIA articles! CoLocalizer Pro is a scientific software application, developed by CoLocalization Research Software, that allows researchers to analyze colocalization in the images obtained using fluorescence microscopy. Due to high popularity of Macintosh computers in medicine and biology, the software is designed specifically for Mac OS X operating system. To bring the full advantage of Mac OS X, it is written exclusively in Cocoa. The software is a Universal application with both Intel and PowerPC compatibility. CoLocalizer Pro is used in universities and research institutions worldwide. Lite version of the software, CoLocalizer Express, is geared toward students and beginners.