Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
ISL Light - ISL Online allows fast support to unattended computers and on-demand remote support for your clients. Set up permanent access by installing a remote access agent on any Windows or Mac computer. See all the features.
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.
Remotix - Remotix is a fast and powerful application to easily access multiple Macs (and PCs).
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Screenleap - Screenleap is a web app that lets users share their device's screen over the Internet. These screens can be a desktop computer monitor or a smartphone screen or anything else that can load a web browser. Read more about Screenleap.