Whether you just need a fancy calendar for your sidebar or a complete scheduling system, wordpress widgets will come to your aid once more. Did you know that a WordPress calendar widget can extend the popular WordPress CMS with really cool calendar and events capabilities. If you are searching for some useful free calendar widgets to your WordPress site.
There are different kinds of calendars you can install depending on your particular business area. Here is a collection of best WordPress free calendar widget plugins that could work for your requirements. If you know of any other calendar widgets for wordpress that you have found useful than hit me up with a comment and share.
You may be interested in the following modern trends related articles as well: Free Login Plugins for WordPress, Bootstrap Design Tools for 2014, Premium Timeline Themes for WordPress and Free Photoshop Map Textures.
1. RSVPmaker
RSVPMaker is an event scheduling and RSVP tracking plugin for WordPress, using the custom post types feature introduced in WP3.0 to track events as an alternate post type with associated dates.

2. Events Manager ESS
Extends Events Manager WordPress plugin to import, export and sync events through ESS feeds.

3. The Events Calendar
Create and manage events with ease. Get professional-level quality and features backed by a team you can trust. The Events Calendar will help you kick ass.

4. Editorial Calendar
The editorial calendar gives you an overview of your blog and when each post will be published. You can drag and drop to move posts, edit posts right in the calendar, and manage your entire blog.

5. Google Calendar Widget
This plugin installs a widget for showing a Google Calendar agenda on the sidebar. Once installed it adds a sidebar widget called ‘Google Calendar’ that may be dragged into your sidebar.

6. Booking Calendar
Booking Calendar plugin – it’s ultimate booking system for online reservation and availability checking service for your site.

7. CP Multi View Event Calendar
The CP Multi View Event Calendar is an event calendar for WordPress websites that features multiple visualization modes and multiple predefined styles.

8. Booking Calendar Contact Form
Booking Calendar Contact Form creates a booking form with a reservation calendar or a classic contact form, connected to a PayPal payment button.

9. WP Simple Booking Calendar
This booking calendar shows when something is booked or available. Use it to show when your holiday home is available for rent, for example.

10. Contact Form 7 Datepicker
Easily add a date field using jQuery UI’s datepicker to your CF7 forms. This plugin depends on Contact Form 7.

11. CP Reservation Calendar
CP Reservation Calendar is a booking calendar that allows selecting dates – ex: check-in and check-out dates – for a reservation.

12. CP Appointment Calendar
CP Appointment Calendar is a WordPress plugin which allows you to define “available” time slots that can be booked by the website visitors. It’s integrated with Paypal for receiving the booking payments.

13. Sugar Events Calendar Lite
Sugar Event Calendar is designed to be simple, light weight, and provide just the major features you need for event management.

14. Events Calendar
Event management system using jquery -ui datepicker, timepicker addon, provides short-code to list events,widget support shows all events highlighted in calendar.

15. Spider Flash Calendar Free
Spider Flash Calendar is a highly configurable Flash calendar plugin which allows you to have multiple organized events.
