ReconServer KeyLogger and Parental System Monitor can monitor your PC for activity.
When keywords you define are used on the Internet, you will be informed by your choice of audio-alarm, a report email or remote web-based reporting system. ReconServer allows remote surveillance of a computer at home or at the office. ReconServer is a network activated alarm and surveillance recording system. ReconServer also has a fully functional web server to allow remote report viewing. A complete keylogger / keystroke recorder is also built into the software for your own use. Features include low memory/CPU usage and a centralized configuration interface. Version 1.14.30 may include unspecified updates, enhancements, and bug fixes.