Slack - A messaging app for teams who see through the Earth!
Pocket - When you find something you want to view later, put it in Pocket.
All Hands - Async video updates for your team
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Tealfeed - A knowledge sharing platform to empower creators
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.