Tools and Food Lists

Nutrients Identifier - This tool allows you to see what you actually eat. You may see how much calories, fats, proteins, carbohydrates, sugars, cholesterol, caffeine, vitamins, or minerals is contained within your food. More than 7000 foods in the database.
Calorie Burn Calculator - This calculator will tell you how much time it will take for you to burn calories you have consumed. Besides many different sports activites, it will show you the usual occupational, home and daily life, indoor and outdoor activities like driving the car, working on the computer or playing with kids.
Low Calorie Food Chart - Pictures of many low calories foods. By "low calories foods" we mean the food that, when raw, has from 1 kcal and up to 99 kcal per 100g edible portion.
300 Calorie Food Picture Gallery - Pictures of 300 Calorie Foods
Food Lists - Various useful food lists
Foods to Avoid or Limit - Well, not really. The following foods are so bad for your body that there is not really any reason to eat them
Foods to Help With Sleep - What you eat affects how you sleep. Some foods contribute to restful sleep; other foods keep you awake
Foods to Help With Constipation - Certain foods are high in fiber, have laxative properties and so can help alleviate the symptoms of constipation.

Food Lists

Calorie

Calorie Content Of Common Fast Foods - list of common fast foods ordered by their Calorie content (high to low)
High-Calorie Foods - list of foods ordered by their Calorie content (high to low)
Low-Calorie Foods - list of foods ordered by their Calorie content (low to high)

Fat, Cholesterol

High-Cholesterol Foods - list of foods ordered by their Cholesterol content (high to low)
Low-Cholesterol Foods - list of foods ordered by their Cholesterol content (low to high)
High-Fat Foods - list of foods ordered by their Fat content (high to low)
Low-Fat Foods - list of foods ordered by their Fat content (low to high)

Protein, Carbohydrate, Sugar

High-Protein Foods - list of foods ordered by their Protein content (high to low)
High-Sugar Foods - list of foods ordered by their Total Sugars content (high to low)
Low-Sugar Foods - list of foods ordered by their Total Sugars content (low to high)

Minerals

Foods rich in Calcium (Ca) - list of foods ordered by their Calcium (Ca) content (high to low)
Foods rich in Iron (Fe) - list of foods ordered by their Iron (Fe) content (high to low)
Foods rich in Potassium (K) - list of foods ordered by their Potassium (K) content (high to low)
Low-Sodium (Na) - list of foods ordered by their Sodium (Na) content (low to high)

Vitamins

Foods rich in Vitamin A - list of foods ordered by their Vitamin A content (high to low)
Foods rich in Vitamin B1 - list of foods ordered by their Vitamin B1 content (high to low)
Foods rich in Vitamin B2 - list of foods ordered by their Vitamin B2 content (high to low)
Foods rich in Vitamin B3 - list of foods ordered by their Vitamin B3 content (high to low)
Foods rich in Vitamin B5 - list of foods ordered by their Vitamin B5 content (high to low)
Foods rich in Vitamin B6 - list of foods ordered by their Vitamin B6 content (high to low)
Foods rich in Vitamin B9 - list of foods ordered by their Vitamin B9 content (high to low)
Foods rich in Vitamin B12 - list of foods ordered by their Vitamin B12 content (high to low)
Foods rich in Vitamin C - list of foods ordered by their Vitamin C content (high to low)
Foods rich in Vitamin D - list of foods ordered by their Vitamin D content (high to low)
Foods rich in Vitamin E - list of foods ordered by their Vitamin E content (high to low)
Foods rich in Vitamin K - list of foods ordered by their Vitamin K content (high to low)

Stimulants

High-Alcohol Foods - list of foods ordered by their Alcohol (ethyl) content (high to low)
High-Caffeine Foods - list of foods ordered by their Caffeine content (high to low)

Fiber, Amino Acids

Foods rich in Fiber - list of foods ordered by their Fiber content (high to low)
Foods rich in Tryptophan - list of foods ordered by their Tryptophan content (high to low)