As any dieter knows, counting calories is the most tedious part of losing weight. That's where CalorieKing.com Diet Diary comes in. It's a powerful tool for watching what you eat and how many calories you consume. It comes with one of the largest databases we've seen of foods and their caloric values. You select what you've eaten for breakfast, lunch, dinner, and snacks, and Diet Diary calculates the number of calories you've consumed that day. You also can choose from a list of exercises and activities to factor in how many calories you've burned. True to its name, Diet Diary also offers charting, diet planning, and daily meal plans. We tested most of its features and found they worked flawlessly. The stylish design is a pleasant bonus. It's no substitute for willpower, but CalorieKing.com Diet Diary is a fine tool for the calorie-conscious.