A Geographic Information System (GIS) is a computer system that is capable of capturing, storing, analyzing, and displaying geographically referenced information. GIS is a tool that allows users to create searches, analyze the spatial information, edit data, and present the results of all these operations.
ArcGIS is Cloud-based software that connects people, locations, and data using interactive maps. Add important context to your data by visualizing it geographically and narratively.
StoryMap JS from Knight Lab is a free storytelling tool that uses interactive maps to highlight the locations of a series of events. Despite the name, this product is not limited to maps alone. Using a feature called Gigapixel, you may also use other images to tell your story, such as photography, works of art, or historical maps.