Online appointment scheduling software provides customers with a portal to book an appointment online, and enables businesses to track and manage those appointments. This software enables businesses to schedule appointments, view calendars, print schedules and forms, customize schedules, and enforce scheduling rules. Additional features can include: built-in, automated emails (reminders, follow-ups, cancellations, rescheduling, etc.) and/or notifications, online payment for services, custom profiles, and calendar integrations.