Lean Body Mass Calculator - It is the total weight of your bones, muscles and organs or in other words, everything other than fat in your body. Do remember that one needs sufficient amount of fat too to sustain your body
HelpDiabetes is a carb counter application that runs on cellular phones.
The application has built in the Food Composition Table from food-info.net from the Wageningen University in the Netherlands.
It's also possible to make your own foodtable in Excel and transfer it to the GSM (not all phones will support this)