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.
All4Masti - All4Masti is all about entertainment and fun.
ChatSecure - ChatSecure is a free and open source messaging app that features OTR encryption over XMPP.
ChatIW - Meet and Chat with new friends around the world.
Otr.to - A secure peer-to-peer chat in your web browser.
Chatroomgroup - Looking for Chat Room Group? Our Online Chat Rooms offer you Live Chatting Mobile App in free chat rooms without registration with people around the world.