is a simple fitness journal application for MacOS X. It allows you to keep track of and plan your workouts and is geared toward weightlifting and general cardio exercises.
The interface consists of a series of tabbed panels: Resistance, Cardio, Diet, Supplements and Progress. The Resistance and Cardio panels are used to plan workouts. The Diet panel allows you to track everything you eat. Given calorie, fat, protein and carbohydrate information, Muscle!
will also calcualte the total amount of each component and each percentage of your total caloric intake. You can keep track of all dietary supplements on the Supplements panel and record such Things
as weight, body fat, and measurements on the Progress panel.