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.
Linker - Cloud based bookmark manager
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.
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Delicious API - Delicious is a social bookmarking service.