RealVNC is an enhanced VNC server for all platforms that add far more functionality than the free VNC servers availabe

Designed and built from the ground up by the original inventors of VNC, Enterprise Edition provides secure, robust and easily-administered remote-control with a minimum of fuss. Extra features:

- printing
- cross platform chat
- integrated session security
- platform-native security
- one port http/vnc
- desktop scaling
- cross platform
- file transfer