bobvanoorschot

This is used with the bukazu bookings system, you need to have an account with <a href="https://bukazu.com/" title="Your favorite booking software" rel="nofollow ugc">BUKAZU</a>
The plugin includes a Gutenberg block, <code>bukazu/portal</code>, for embedding the Bukazu portal directly in the block editor without using a shortcode.
The preferred integration method is the Gutenberg block. Use the shortcode only when you need to support classic editor or template-based integrations.

Bukazu Search Widget

Create a simple search widget for bukazu search calendar

Betterware Software

paulfelge

Rentware Widgets for Elementor adds a dedicated Rentware widget to the Elementor editor, letting you embed rental checkout and availability calendar widgets directly on any page — no coding required.
What is Rentware? 
Rentware is a rental management SaaS platform that helps businesses manage inventory, bookings, and customer relationships. It provides embeddable widgets for checkout and availability calendars that integrate directly into any website.
Features:
<ul>
<li>Drag-and-drop Rentware widget in the Elementor panel</li>
<li>Supports Checkout Widget and Availability Calendar</li>
<li>Global access token setting shared with the Rentware Shortcodes plugin</li>
<li>Per-widget token override for multi-account setups</li>
<li>Compatible with Elementor 4.0 and the new Atomic editor</li>
</ul>

Rentware Widgets for Elementor

Integrate Rentware rental widgets into your WordPress website using the Elementor Page Builder.

Bukazu Search Widget vs Rentware Widgets for Elementor