From Revealed Systems:
EyeSpy has the ability to monitor and visualize all Internet traffic in a simple and intuitive manner. Any malware which attempts to steal and retransmit your personal information can be spotted in a matter of seconds using EyeSpy. EyeSpy Features: Visualize all online activity using an interactive and navigable world map. Track hundreds of endpoints in real time and 100,000+ endpoints in near real time. Track detailed information for each endpoint including addressing, geographical and Organizational/ISP information. Link each endpoint to the process or application communicating with it. Record and save every Byte of transferred data, and easily review it later. Filtering and display features allow you to customize EyeSpy for many different monitoring scenarios. Export Endpoint information to a spreadsheet. Version 1.1 is licensed under the Gnu Public License, and is completely free to use.