Tox - Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

eBuddy Messenger - eBuddy Messenger is a legendary application for the Android version that has been present in Windows and Mac, and formerly known as Meebo.

qTox - A Qt graphical user interface for Tox.

Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.

Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.