RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
RoomChat - No sign up chatrooms with just a URL and your handle
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
Chatty - Chat with strangers all around the world in Messenger
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs
Ablo - Say hello to the world