Would you recoomend this project?
HeartBit is a GPL Java/SuperWaba app to interact with the Polar heartrate monitoring watches. This software is targeted at PalmOS and Windows users. It aims at offering the features found in the Precision Performance app. from Polar.
You can download file releases of heartbit project from List of release files
System RequirementsOperating System: All 32-bit MS Windows (95/98/NT/2000/XP), PalmOS, Windows NT/2000, Windows XP
List of release files