Element.io - Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.

Chatib - Chatib is an online chat room where you can meet and chat with new people, make them friends, or even data them online.

Kandan - Open Source private chat server. Your own private Chat server in minutes, plus additional features.

Chattervibe - Chattervibe is a Free Chat Online, Make Friends, and Meet is a social and dating application that is designed for those who want to talk and make new friends online.

Chatingar - Chatingar.com is free chat rooms for online chat and connections worldwide. Find your perfect match and chat instantly!

Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.