Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Usersnap - Visual Feedback - Usersnap helps your business with its versatile feedback platform to build better, more successful products and services with the help of user feedback. Collect feedback along your product development lifecycle. Try it for free.

Live Chat by Sumo.com - Instantly communicate with customers, prospects & visitors

BeFrank - Feedback platform for graphic designers

Zendesk for Startups - Everything you need for seamless customer conversations.

Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.