KRDC - KDE Applications
https://apps.kde.org/krdc09.12.2021 · KRDC is a client application that allows you to view or even control the desktop session on another machine that is running a compatible server. VNC and RDP is supported. This button only works with Discover and other AppStream application stores. You can also use your distribution’s package manager.
Chapter 3. Using Remote Desktop Connection
docs.kde.org › trunk5 › enRemote Desktop Connection is a client, and it needs to be used with compatible servers. There are different ways to connect to those servers: Directly typing the server name (or IP address) into the Connect to: input. By using an invitation that you received. Desktop Sharing uses invitations, and can send them by email.