Houseparty - Brining empathy to online communication.
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
Booyah - Video chat with up to 12 friends at the same time.
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Slack - A messaging app for teams who see through the Earth!
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs