Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Explain Everything - Explain Everything is an easy-to-use design, screencasting, and interactive whiteboard tool that...
Pocket - When you find something you want to view later, put it in Pocket.
Microsoft Whiteboard - The canvas where ideas, content, & people come together.
start.me - A Modern-day bookmark manager. A place for your favorites. A news feed (RSS) reader. A browser startpage. A portal for your team.
Conceptboard - Instant Whiteboards for Teams & Projects