Nutrition Tracking apps

Cronometer

smart phone and web based app
free version is very functional; paid version has additional features
has a very expansive database
tracks macronutrients as well as vitamins, minerals, oxalates, different types of lipids, individual amino acids and more

Nutrient Calculator

smart phone and web based app
developed by Osteoporosis Canada
free to use
tracks protein, vitamins D and K, calcium and magnesium

Oxalate Calculator

very extensive database of oxalate content
calculates how much oxalate is likely to be absorbed depending on condition of your gastrointestinal system