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.
netroStation - netroStation is a visual bookmark manager to save & organize hundreds of links.
PutCut - PutCut is a social bookmarking tool for saving links.
Atavi - Your bookmarks are always close at hand!
Geekmarks - Geekmarks is an open source API-driven bookmarking service.