sVNC is a downloadable application that users who need support can easily install, so a Mac guru (like you!) can help them out.

• Secure connection over ssh
• No need to set up firewalls or port forwarding
• No need for passwords
• Users can disconnect at any time
• Users can set a time limit to automatically disconnect
• Host settings are stored inside the app bundle so that the user doesn't have to deal with them
• Full source is included inside the app bundle, under the GPL-2.