TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
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.
Facebook Messenger - Facebook Messenger is a faster way to message.
join.me - Instant screen sharing. Instant Aha!
Digsby - Tagged makes it easy to meet and socialize with new people through games, shared interests, friend suggestions, browsing profiles, and much more.