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.
Mumble - Mumble is an open source, low-latency, high quality voice chat software primarily intended for use...
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Mohawk Voice - Mohawk Voice is a low resource, high quality VoIP program which is free to download and use.
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.
Steam Chat - Steam Chat is a chatting app for Steam users that enables them to chat through their cell phones and get updated with what is happening.