The Coraye support team uses Google's remotedesktop to provide support.
Chrome Remote Desktop Extension
This is the companion extension for the Chrome Remote Desktop website ( https://remotedesktop.google.com ).
This extension allows you to install, view, and modify the native Chrome Remote Desktop client from the web UI.
Chrome Remote Desktop allows users to remotely access another computer through the Chrome browser or a Chromebook.
Computers can be made available in the short term for scenarios such as ad hoc remote assistance, or in the longer term for remote access to your applications and files.
All connections are fully secure.
Chrome Remote Desktop is fully cross-platform.
Provide remote support to Windows, Mac, and Linux users, or access your Windows and Mac desktops anytime, all from the Chrome browser on virtually any device, including Chromebooks.
For help or troubleshooting click here: https://support.google.com/chrome/answer/1649523
For more information, see chapter: Mac OS X remote assistance
For more information, see the chapter: Windows Remote Assistance