Roomvine - Chatrooms for real life venues, neighborhoods and events

HiOperator - HiOperator is a virtual assistant that answers phone calls, chats with customers, provides in-app help, takes orders, and provides support.

Spectrum - Browser-based app to visualize the frequencies of an audio file.

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

CityBugs - Improving cities to make them a better place to live in.

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