Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.
Slack - A messaging app for teams who see through the Earth!
Chatrandom - Chatrandom provides medium to users for having chat at random with different users around the globe.
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
LuckyCrush - Live random video chat
Jostle - A new kind of employee intranet that drives engagement & workplace culture. Achieves social participation in work relevant way. Participation rates are over 85%.