ACDSee Pro -- Photo Manager

ACD Systems calls ACDSee Pro a "photo manager." Designed to streamline a photographic workflow, it competes on the Windows platform only with Adobe's Lightroom. Like Lightroom, it has relied on user feedback to evolve into a particularly useful tool. But the photo workflow software category is not just evolving anymore. It's being rethought. Products like Lightroom and Apple's Aperture have changed how images are edited, leaving the pixel data alone in favor of appending a recipe of changes to the metadata header of the image file. With the exception of Raw processing, ACDSee changes the pixel data, like traditional image editing software. It compares not to Aperture and Lightroom but to Photoshop Elements...