Nifty - Manage projects, work, and communications in one place.
Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.
Intercom on Product Management - The ultimate resource for aspiring product managers
Chatrandom - Chatrandom provides medium to users for having chat at random with different users around the globe.
Party Line - Use Slack to manage your projects
LuckyCrush - Live random video chat