optimand

The Optimand plugin is a dedicated booking interface designed specifically for the hospitality industry. It provides a powerful, local tool to streamline the room reservation process directly from your WordPress site. 
The core feature is the Smart Calendar: a high-performance availability and rate search tool. This plugin is fully functional and includes all layout templates, custom translations, and granular design options. It allows guests to select dates and room requirements on your site before being redirected to your Booking Engine (BE) URL to complete the reservation. 
The plugin supports automatic configuration for 16 major booking engines (Bedzzle, Blastness, Bookassist, Bookingexpert, D-Edge, Ennismore, Ericsoft, Ermes, Guestline, Little Hotelier, Mirai, Sabre Synxis, Simple Booking, Travelclick, Verticalbooking, Web Hotelier) and allows manual configuration for any custom booking URL.
Key Features: 
* Fully Local & Functional: All styling, templates, and settings work directly within WordPress. 
* Smart Redirect: Acts as a bridge, sending guests to your Booking Engine with pre-selected dates and guest information. 
* Visual Configurator: Match the calendar design to your theme by adjusting colors and layouts without touching any code. 
* Multi-language & Currency: Built-in management for international guests with customizable text strings. 
* Dual Integration: Use the provided shortcode or trigger the calendar from any existing button via CSS selectors. 
* Multiple Presets: Create and manage up to 2 different calendar configurations for your site.

Optimand

The official Optimand plugin. Includes the Booking Calendar to manage hotel availability and connect your site with various booking engines.

bookingkit

bookingkit is the smart, German engineered online booking solution for leisure time activity providers.
You can setup your account on <a href="https://info.bookingkit.de/wordpress" rel="nofollow ugc">bookingkit.de</a> and create your events within a few minutes.
=Why you should use bookingkit:=
<ul>
<li>Make your services instantly bookable directly on your website. Sell more tickets through an easy-to-use booking solution for your customers to book and pay your events. All relevant payment-providers like PayPal are included.</li>
<li>Smart interface for business and customer administration: Keep an overview of your reservations, your bookings, your customers and your income.</li>
<li>Promote your services and acquire new clients: Advertise easily with marketing partners like TripAdvisor, GetYourGuide or CTS Eventim.</li>
</ul>
=Requirements:=
<ul>
<li>You need a bookingkit account to use this plugin. Plans start at 0 Euro per month and can be cancelled every month.</li>
</ul>

bookingkit allows you to easily make your events and tours bookable - instantly and directly on your website.

Optimand vs bookingkit