Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.
Messenger Video Calls - Facebook Messenger, now with HD video calls
Chatrandom - Chatrandom provides medium to users for having chat at random with different users around the globe.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
LuckyCrush - Live random video chat
Voiptime Cloud Call Center - Cloud call center & telemarketing solution