TightVNC

TightVNC is a free open source remote desktop application. Access, view and control any Mac, Linux or Windows computer remotely over the internet using your local keyboard and mouse. Work remotely and easily transfer files between computers. Provide tech support for customers.

TightVNC Features

• Enhanced compression called "tight encoding" allows TightVNC to operate over slow networks.
• Auto scaling resizes the viewer to match the screen size of the remote machine.
• Detect screen updates via the DFmirage driver to improve overall performance.
• Supports UNIX SSH tunneling.
• RFB protocol (remote framebuffer).
• Free for both personal and commercial use.