TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
AnyDesk - AnyDesk is the world's most comfortable remote desktop application. Access all your programs, documents and files from anywhere, without having to entrust your data to a cloud service.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
join.me - Instant screen sharing. Instant Aha!
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.