Lytebox application is a appointment management system application. This application helps people to manage his/her business appointment with clients. Once client visit office they take appointment for meeting with business partner. Once appointment approved from Business owner then only can possible to meet with partner. This application can help to manage appointment, either approved, reject or reschedule his appointment. This application is also manage his/ her contact book for Birthday and marriage anniversary wishes. This application also can manage his letter if someone given for business purpose. This application track his letter once submitted in department.