Orwokki

With this plugin you can show list of available places for renting and get reservations for those places.
Reservations can be created from client-side UI or from WP admin. When place is reserved then it will no longer be available for new reservations, 
before previous reservation has been removed.

OPR Place Reservations

Plugin for showing and handling rentable places and their reservations

formitable

Formitable is an online table management system for restaurants. Our tools enable restaurants to improve their business by gathering user feedback, promote their own events, counter no shows through prepaid reservations and grow their guest database with valuable information.
This plugin adds the Formitable SDK to your website and enables you to add the Formitable booking widget and customize it directly from your settings. 
Please note that the Formitable SDK is a JavaScript-file hosted externally at https://cdn.formitable.com.

Formitable Development Kit

Tools for integrating Formitable to your website.

OPR Place Reservations vs Formitable Development Kit