Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.
InStream CRM - Business relationship management platform - CRM alternative
Chatrandom - Chatrandom provides medium to users for having chat at random with different users around the globe.
Gmail CoPilot by cloudHQ - Easy CRM: View all past conversations with an email contact
LuckyCrush - Live random video chat
Crmble - Easy peasy crm for Trello