Doodle MeetMe - Your personal scheduling profile
SALONGENIUS - World-class salon software for hair, beauty and spa businesses. Smart yet easy to use. Online bookings, marketing and reports. UK-based five-star support.
Dudle - Dudle is an online scheduling application, which is free and open source.
iQsalon - Spa and Salon Management
FullCalendar - FullCalendar is an open-source JavaScript event calendar.
Salon Ultimate - Salon Ultimate manages a salon or spa's employees, appointments, promotions, mailings, client data, and social networking from a single dashboard.