Anydesk - Windows, Mac, Linux, iOS, Android
https://anydesk.com/en/downloads/thank-you?dv=win_exe

Microsoft Remote Desktop

Remote Utilities - Better pricing than TeamViewer
https://www.remoteutilities.com/

RemoteNG lets you manage multiple RDP/RDC connections easily
https://mremoteng.org/

Remote Desktop Plus
https://www.donkz.nl/

http://guacamole.apache.org/

VNC

Anydesk - OS X Permissions
https://support.anydesk.com/knowledge/security-permissions-on-macos

TeamViewer - Windows, Mac, iOS, Android


If Remote Desktop is not working in a AD environment, run these (you might be able to do so using PSEXEC remotely):
reg add "HKLM\System\CurrentControlSet\Control\Terminal Server" /v fDenyTSConnections /f
netsh advfirewall firewall add rule name="allow RemoteDesktop" dir=in protocol=TCP localport=3389 action=allow


Mobile Video Support: LifeAR - iOS, Android
https://www.lifear.app/en/
https://play.google.com/store/apps/details?id=com.teamviewer.lifear
https://apps.apple.com/app/id1540048204