qTox - A Qt graphical user interface for Tox.
Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.
Tox - Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
Chatrandom - Chatrandom provides medium to users for having chat at random with different users around the globe.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
LuckyCrush - Live random video chat