RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
ngrok - ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
Gotty - GoTTY is a simple command line tool that turns your CLI tools into web applications.
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs
tmate - Tmate is a instant terminal sharing based on ssh.