Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Exstora - Built-in quick note: save ideas, contacts, interesting facts
Pinboard - Pinboard is a personal archive for things you find online and don't want to forget.
TINYpulse Engage - Increase Your Employee Engagement. Instantly.
Barkr - Organise bookmarks into collections and then find your favourite websites quickly and easily, using an intuitive search rather than wading through masses of folders.
OneNote Online - OneNote Online, part of Office Online, is the online version of Microsoft OneNote.