PortDetector tells you if you are being monitored or your files viewed remotely. Currently (as shown above) you may choose any port to monitor (defaults for basic services are shown.) This is particularly useful if you are in a public wifi spot and want to take extra precautions to stay safe.

Version 2.0:

• Invisible Mode. Invisible mode makes you not visible to VNC clients.
• Presets for common services
• Custom Port feature
• Monitor Drawer
• Help Button
• New Interface

Requirements

Mac OS X 10.5 or later, network connection.

*Previously available here