Super Simple Event Calendar is an event calendar for people who just want something simple for events.

Minical is an opensource Property Management System (PMS) and Online Booking System for hotels.

This Booking System offers the 1st booking calendar for Facebook and WordPress, which easily turns visitors on Facebook and your website in clients.

Add a Simple Calendar field to Advanced Customs Fields (ACF).

A Simple Calendar add-on to display your WordPress blog posts in a calendar view.