Pocket - When you find something you want to view later, put it in Pocket.
InTouchApp Firefox Extension - Save contacts & data from websites to your phone
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Cervino - One app for everything you do
Diigo - Diigo is a powerful research tool and a knowledge-sharing community
ArchiviCo - An easy way to store your important documents