Photostage Free Mac Slideshow Software - Version 10.11 Photostage Free Mac Slideshow Software is a free Mac software that helps put together a slideshow from your digital photos. Add music, video clips and narration to your slideshows. Use Quick Create feature on a folder of images or drag and drop images into your slideshow. Apply effects such as crop, fade, crossfade, zoom and more. Burn slideshow to DVD or create video file for sharing on the web or portable devices for free. This slideshow software supports multiple formats.