TigerVNC

TigerVNC is a high-performance, platform-neutral implementation of VNC (Virtual Network Computing),
a client/server application that allows users to launch and interact with graphical applications on remote machines.
TigerVNC provides the levels of performance necessary to run 3D and video applications;
it attempts to maintain a common look and feel and re-use components, where possible, across the various platforms that it supports.
TigerVNC also provides extensions for advanced authentication methods and TLS encryption.