WalkMe - walking assistant that keeps track of your performance while walking. It provides speed, distance, steps taken, and calories burned during exercise. After the walk the results can be exported and uploaded for further analysis to any walking community site
WeightWatch - Weight Watch is an open-source application that allows you to track your body weight over a period of time.
This program follows the methodology brilliantly described by Paul Walker in his online book The Hacker's Diet, and attempts to mimic the usability and features of the applications found under the Computer Tools chapter of the same book