Use KL-Detector to find out whether your activity is being recorded without your knowledge.
It works by scanning your local hard disk for any log file created during the monitoring process. Most keyloggers will eventually save the recorded data into a location in the hard disk. KL-Detector will inform you of such log file. This way, the program can detect all keyloggers, both known and unknown. Use KL-Detector to detect keylogger in public computer before you enter your password, credit card info, etc.