DJ Calendar is a professional DJ Business Software program for managing your event planning, customer database, customer invoices, DJ products and services, payments, etc... In summary, DJCalendar is a user-friendly DJ Booking Software application and offers many customizable features including the ability to create your own data entry template, generate and print invoices, dj contract, process credit card payments, send faxes, design custom forms and dj performance agreements using your own clipart, pictures, and company logos.