With this addon your users will have ability to add listings as favorite and see them in the future.
Demo in the listviw: https://totalery.com/listdom/demo/half-map-split-view/style-1-right-map/
Demo of favorites page: https://totalery.com/listdom/demo/favorite-addon/
Manual: https://totalery.com/listdom/documentation/addons/favorite-addon/