YouMail - YouMail turns visual voicemail into a personal assistant for handling all your missed calls.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Hi Voicemail - Stop robocallers filling up your voicemail
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
MightyCall - Virtual phone system that lets you run your business from anywhere.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.