Slack - A messaging app for teams who see through the Earth!
Spokk - Get your creations or ideas for blogs, designs, art, music, photos, YouTube videos or anything...
All Hands - Async video updates for your team
Sity - Share what you've done with your team and give feedback
Tealfeed - A knowledge sharing platform to empower creators
Brevy (beta) - Give feedback, Google-doc style, directly on your website