Robuta

https://www.teamviewer.com/en-au/solutions/use-cases/remote-access/remote-server-access/
Remotely access and manage your servers anytime, anywhere. TeamViewer offers secure, unattended remote server access with MFA, encryption, and audit logging.
remote serveraccess softwaresecureunattendedteamviewer
https://www.logmein.com/features/resolve/unattended-remote-access
LogMeIn Resolve can deploy updates and fix issues without a user session active. Offer user support remotely anywhere, anytime with unattended access software.
unattended remote accesslogmein resolvesoftware