PutCut - PutCut is a social bookmarking tool for saving links.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Pocket - When you find something you want to view later, put it in Pocket.
Kifi - bookmarks made social
Bort - This user-friendly web based service will allow you to keep all of your videos synchronized on all of your devices and web browsers.
netroStation - netroStation is a visual bookmark manager to save & organize hundreds of links.