3sheep

The plugin allows you to create a number of appointment slots and reply to any bookings with a configurable confirmation email message.
Once the plugin is installed you can use the settings interface to set the length of the standard appointment as well as configuring the following items for the confirmation email:
<ul>
<li>The ‘From’ address.</li>
<li>The BCC address to copy in for each confirmation email.</li>
<li>The prefix for the confirmation email subject.</li>
<li>The body of the email message.</li>
</ul>
Appointments can be added by entering the date and time and then clicking ‘Add Appointment’. To delete or reset an appointment select the checkbox next to it and clicking the appropriate button.
To include the booking form into a page or post use the shortcode [tsbooking].

3 Sheep Booking

Provides a simple interface to allow a Wordpress blog to take appointment bookings with an…

tnomi

オンラインレッスン予約システム（OLB）は、マンツーマンのオンラインレッスンサイト向けにスケジューラと予約フォームを設置するものです。
講師はスケジューラを使用してタイムテーブルを設定し、会員はタイムテーブルをクリックして予約を行います。 
講師と会員には、Eメールにて予約やキャンセルの通知が送られます。
詳しくは、<a href="https://olbsys.com" rel="nofollow ugc">OLBユーザーガイド（日本語）</a>をご覧ください。
Online Lesson Booking system (OLB) was made in order to equip a web site with the reservation-form and scheduler for one-to-one online lesson.
Teacher (author) sets up a timetable using a scheduler, and member (subscriber) makes a reservation by clicking timetable. 
Teacher and a member are informed by e-mail in the case of reservation and cancellation.
Visit <a href="https://olbsys.com" rel="nofollow ugc">The User’s Guide (ja)</a>/<a href="https://olbsys.com/en/" rel="nofollow ugc">(en)</a> for more info.

Online Lesson Booking

このプラグインはマンツーマンのオンラインレッスン向けにスケジューラと予約フォームを提供するものです。 This plug-in supplies the reservation-form and scheduler for the one-to-one online lesson.

3 Sheep Booking vs Online Lesson Booking