wptimeslots

See http://www.wptimeslots.com for more info!
<ul>
<li>Show the availability of anything per hour per day</li>
<li>Mark a time slot as free or booked, for example 08:00 – 09:00</li>
<li>Generate a token to insert the calendar in a page or post or use it as a widget</li>
<li>Can be translated in any language with Poedit</li>
</ul>
Features of the full version:
<ul>
<li>Custom time slot steps! Like 12:00 – 12:05 (every 5 minutes) or every 10 minutes and so on.</li>
<li>Show multiple days</li>
<li>Create an unlimited number of calendars</li>
<li>Show or hide the days in a drop down menu</li>
<li>Only $15 (no yearly costs!)</li>
<li>Download directly without registration</li>
<li>Not satisfied? Money back guarantee!</li>
<li>Download the full version at: http://www.wptimeslots.com</li>
</ul>

WP Time Slots

See http://www.wptimeslots.com for more info!

Fetch Designs

Sign-up Sheets helps you organize sign-ups, events, shifts, and other scheduled tasks directly in WordPress. It offers a flexible way to coordinate people, time slots, and responsibilities without relying on a third-party service.
The free version of Sign-up Sheets includes core tools for building and managing sign-up sheets on your site:
<ul>
<li>Add, edit, and clear sign-up spots as needed</li>
<li>Copy a sheet or task to speed up setup</li>
<li>Send confirmation emails after sign-up</li>
<li>Let logged-in users view all of their sign-ups on one page with the <a href="https://www.fetchdesigns.com/doc/user_sign_ups-shortcode/" rel="nofollow ugc"><code>[user_sign_ups]</code> shortcode</a></li>
<li>Create an unlimited number of sign-up sheets and spots</li>
<li>Enable optional reCAPTCHA protection</li>
<li>Export sign-up data for one sheet or all sheets to CSV</li>
<li>Support WordPress <a href="https://www.fetchdesigns.com/doc/gdpr-sign-up-sheets-wordpress-plugin/" rel="nofollow ugc">GDPR privacy features for your sign-up sheets</a></li>
<li>Built with accessibility in mind based on <a href="https://www.w3.org/WAI/standards-guidelines/" rel="nofollow ugc">WCAG Guidelines</a>. If you run into any accessibility issues, <a href="https://www.fetchdesigns.com/contact" rel="nofollow ugc">please report them</a> to help make the plugin more inclusive for all users.</li>
<li>See the <a href="https://www.fetchdesigns.com/sign-up-sheets-wordpress-plugin/" rel="nofollow ugc">full list of Sign-up Sheets features</a></li>
</ul>
The Pro version of Sign-up Sheets adds advanced tools for more complex scheduling and form needs:
<ul>
<li>Create <a href="https://www.fetchdesigns.com/doc/custom-fields/" rel="nofollow ugc">custom task fields and custom sign-up form fields</a></li>
<li>Send optional reminder emails before an event</li>
<li>Customize confirmation and reminder emails per sheet</li>
<li>Assign <a href="https://www.fetchdesigns.com/doc/sheet-categories/" rel="nofollow ugc">categories to sign-up sheets</a> and display current sheets for a specific category</li>
<li>Let logged-in users edit their own sign-ups</li>
<li>Enable Spot Locking to hold a spot for 3 minutes while a user completes the sign-up form</li>
<li>Use <a href="https://www.fetchdesigns.com/doc/compact-semi-compact-standard-display-modes/" rel="nofollow ugc">Compact and Semi-Compact display modes</a> to condense tasks with many spots into a single line</li>
<li>Set sign-up limits per task</li>
<li>See the <a href="https://www.fetchdesigns.com/sign-up-sheets-wordpress-plugin/" rel="nofollow ugc">full list of Sign-up Sheets features</a></li>
</ul>
Sign-up Sheets is used for church and nonprofit volunteer opportunities, school and PTO/PTA events, club sign-ups, meeting room reservations, photographer time slots, peronal gatherings, and more. It is a practical alternative to monthly paid services like SignUpGenius while keeping your sign-ups on your own WordPress site.

Sign-up Sheets

Create online sign-up sheets for volunteers, events, and group scheduling.

WP Time Slots vs Sign-up Sheets