matsuoshi

export the posts schedules as iCal format.
iCal URL is: 
 http://YOUR-WP-ADDRESS/postical
<ul>
<li>GitHub: <a href="https://github.com/matsuoshi/wp-postical" rel="nofollow ugc">https://github.com/matsuoshi/wp-postical</a></li>
<li>WordPress plugin page: <a href="https://wordpress.org/plugins/postical/" rel="ugc">https://wordpress.org/plugins/postical/</a></li>
</ul>

postical (iCal exporter)

Postical; export the posts schedules as iCal format.

duanestrong

An availability calendar for vacation rentals driven via the iCal standard by any calendar that exports iCal format (HomeAway, VRBO, Flipkey, AirBnB, Google, Apple iCloud, and more). 
The availability calendar shows the next 15 months of availability. Shortcodes enable you to display your calendar on any page or post in three different sizes. Arrive and depart dates 
from your master calendar are displayed as available and unavailable nights. The depart day is not counted as an unavailable night. Compatible with VRBO and HomeAway, reservations marked 
TENTATIVE or HOLD will not be shown as unavailable.

Vacation Rental Calendar

An availability calendar for vacation rentals driven from any calendar that exports iCal (HomeAway, VRBO, Flipkey, AirBnB etc.).

postical (iCal exporter) vs Vacation Rental Calendar