Macintosh OS X Leopard:

VNC

Mac OS X Leopard contains a preinstalled VNC client. The application is called Screen Sharing and can be found in /System/Library/CoreServices/. To access a non Mac VNC server use the following directions.

• Go to /System/Library/CoreServices/ and open Screen Sharing
  
  
  
• Enter in the text vnc:// followed by the machines IP address and the port number if necessary
  
  
  
  
  
  
• Click Connect, if prompted for a password please enter and continue