Uzhavan Maadu, developed by Nithra, is a free mobile application that provides extensive information on cattle farming. This app is especially useful for farmers in Tamil Nadu who are looking for guidance on setting up or managing a cattle farm. The app covers a wide range of topics, including cow types, calf rearing, veterinary care, first aid, cattle feed production, livestock products, diseases, livestock machines, cow farms, subsidies and loans, reproduction, milk budget, veterinary hospitals, cow market, dairy cow breeding, and buffalo types.

The app offers a variety of features such as a cattle breeding calculator, cow traders category, dairy management videos, and a question-answer category. The app even includes news related to cows and their importance during the Pongal festival. Overall, Uzhavan Maadu is a comprehensive and informative app for anyone interested in cattle farming.