Events Easy Calendar will enable Wordpress sites to manage all their bookings and appointments.

The Online Booking System Sidebar Widget will enable WP-OBS PRO users to simply Services links to thier website sidebars.

The WP-OBS is a Booking Calendar Plugin that will enable Wordpress running sites to manage all their business bookings/appointments from one place.

Bookings+ is an Ultimate Booking Calendar Engine that will enable Wordpress sites to manage all their bookings and appointments