NoMachine NX

freshmeat.net: Project details for NoMachine NX
This is the first source snapshot of the NX components that will power the upcoming 1.5.0 release of NX Client and NX Server. This version contains new features that include full support for rootless operation in the X11 agent, continuous operation while disconnected, dynamic handling of the geometry of the remote desktop, full support for 16-bit and 24-bit color modes in RDP sessions, and a new NX transport model that ensures easier integration, reduced overhead, and better performance.