Raindrop.io - All your articles, photos, video & content from web & apps in one place.
PromoRepublic - PromoRepublic is an online editorial calendar for social media marketers and library of custom designed templates and post ideas for social networks. The calendar is stuffed with content for latest trends, important events’ and holidays notifications
Tagpacker - A free tool to quickly collect, organize, and share your favorite links.
getStacker.com - Check the top of the screen to. see what's next and its width. Some ladies wear fruit on their head. Who ate all the shapes? You stacked the lot!
Diigo - Diigo is a powerful research tool and a knowledge-sharing community
uberflip - Organize and Centralize ALL of your Content in minutes