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.
Sonetel - Sonetel is a communication app that lets you make an international business call at the cost of local calls.
Facebook Messenger - Facebook Messenger is a faster way to message.
StealthChat - StealthChat is Encrypted, Private, Secure Calls and Chats on Android and Apple iOS
Wire - Private & Secure Messenger