HoneyBook is the platform I use for all of my client management. I can easily create and send contracts, receive payments, send questionnaires, invoices, and anything else you can think of! It is all automated, doesn't let you double book and sends clients reminders for you! Everything is in one place and organized. It has completely changed my business and I could not recommend it more! Sign up for a free trial, and get 50% off your first year below!