InStream CRM - Business relationship management platform - CRM alternative
Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.
Onesheet CRM - The Simple CRM for Google Sheets
Bazoocam - Bazoocam is a popular chat website that rapidly connects you with strangers to chat.
Zendesk Sunshine - Open, flexible CRM platform built on AWS
Chatrandom - Chatrandom provides medium to users for having chat at random with different users around the globe.