Candifly

Easily integrate calendars into your WordPress website. 
<a href="https://candifly.com" rel="nofollow ugc">Candifly</a> is a free service that allow you to easily create great looking designed calendars. 
In a few minutes create and publish your calendar –
<ul>
<li>Choose your calendar template from a variety of great designs</li>
<li>Customize its behavior</li>
<li>Manually add events, or –</li>
<li>Sync it with your iCalendar feed (Airbnb, Booking.com and others)</li>
<li>Copy its WordPress shorcode / HTML Tag to easily display it on your website</li>
</ul>
What else you get –
<ul>
<li>Customizable public landing page with your calendar that you can share with anyone. </li>
<li>Import events from 3rd parties such as Google and Outlook.</li>
<li>Get detailed analytics from your calendars – how many times were they displayed, which dates have been viewed, where did the users click.</li>
<li>High end cloud based services, your calendars will load FAST.</li>
</ul>
Check our <a href="https://candifly.com/terms-and-conditions/" rel="nofollow ugc">Terms and Conditions</a> page, and <a href="https://candifly.com/privacy-policy/" rel="nofollow ugc">Privacy Policy</a> page.

Easily display calendars - free tool to create beautiful calendars, add events, sync with iCalendar feeds, import from Google, Outlook, and more.

gentlesource

Include your Appointmind online appointment scheduling calender in any article or in the sidebar. This plugin requires that you have purchased either a monthly subscription or the downloadable version of the software. This plugin does not include the appointmind scheduling software. You can get the subscription or the software at <a href="https://www.appointmind.com/?tracking=wordpress" rel="nofollow ugc">Appointmind.com (English)</a> or at <a href="https://www.appointmind.de/?tracking=wordpress" rel="nofollow ugc">Appointmind.de (Deutsch)</a>.

Appointmind

Works well and is being updated regularly.

Works really well

Include your Appointmind or Schedule Organizer online appointment scheduling calender in any article or in the sidebar.

Candifly vs Appointmind