KeepCalling - Best Rates for International Calls. No Contract, Expiry, or PIN. Use Any Phone, Smartphone or PC.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Amivox - Would you like to make international calls either free or at local rates ?
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
letsBrik - A Skype Alternative that is entirely web browser based.
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.