Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.
Postman - The Collaboration Platform for API Development
Chatrandom - Chatrandom provides medium to users for having chat at random with different users around the globe.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
LuckyCrush - Live random video chat
TestComplete - TestComplete Desktop, Web, and Mobile helps you create repeatable and accurate automated tests across multiple devices, platforms, and environments easily and quickly.