Excalidraw - Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Sketch Toy - A drawing application that lets you save and share replays of your work with friends.
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
Sketcharama - Draw a given word and let the other players guess your sketch.
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs