Telegram X - Meet Telegram X for iOS and Android – two new official apps that offer more speed, longer batter life and smooth animations.
qTox - A Qt graphical user interface for Tox.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Tox - Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
Plus Messenger - Free Android Messenger that uses Telegrams API.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.