Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Momentum - Agile goal and performance management
Service - Customer service issues solved for you, on demand, for free.
New Tab by Flickr - Get a beautiful photo each time you open a new tab
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Gratitude Flow - Gratitude Flow is a web extension that allows you to share and receive gratitude on your new tab with real people around the world.