Can you build an Appointment Scheduling Software for Small Businesses ?

Online booking that helps you attract new clients, save time, and get control of small businesses busy Upgrade to see actual infoe samples below Upgrade to see actual info, Upgrade to see actual info, Upgrade to see actual info.

BASIC FEATURES:

unlimited calendars
unlimited appointments
Calendar access rights
CRM inside
Built-in call center

Emails
Invoicing
Cloud or self hosted (open source code access)
iOS and Android enabled
API and RestAPI

please have a close look and research very well those sample 3 appointment scheduling software aboveand integrate them into my own. Let me know if you have any question please