Raindrop.io - All your articles, photos, video & content from web & apps in one place.
uberflip - Organize and Centralize ALL of your Content in minutes
Tagpacker - A free tool to quickly collect, organize, and share your favorite links.
CoSchedule - CoSchedule is the #1 marketing calendar that helps you stay organized and get sh*t done. Plan, produce, publish and promote your content.
Diigo - Diigo is a powerful research tool and a knowledge-sharing community
Embedly - Embedly helps publishers and consumers manage embed codes from websites and APIs.