Acuity allows you to automate bookings by sharing your online calendar with clients and letting them pick the day and time they want to meet. Acuity syncs with Google Calendar, iCloud, Outlook.com, Exchange, and Office 365 so clients will always see your most up to date availability, and you'll be in full control of your schedule. It's very quick and easy to get started with the Acuity calendar.
Also, you can style the calendar using CSS so the calendar matches your brand. Acuity also integrates with other digital tools, like QuickBooks, GoToMeeting, and MailChimp.
Acuity Scheduling is free to try and then $15/month