SlideShowPro Director is described as 'content management and publishing application that runs in your web browser. Use it to display (on any web site) desktop and mobile-friendly slideshows of your photos and videos' and is a Photo Manager in the Photos & Graphics category. There are three alternatives to SlideShowPro Director for a variety of platforms, including iPad, iPhone, Linux, Mac and Online / Web-based. Most alternatives are Photo Managers and Photo Sharing Apps. The best alternative is Google Photos, which is free. Other great apps like SlideShowPro Director are Piwigo (Free, Open Source) and DragNDropz (Paid).
Google Photos is a photograph and video sharing and storage service by Google. It allows the users to store and share images and videos using the 15 GB free storage space of their Google Account or a Google One subscription.
DragNDropz is a centralized online image gallery software platform that can stand alone or be used with existing websites. DragNDropz allows you to create and share unlimited image galleries using a simple drag and drop interface.