ariela

This plugin can add a “Web Clap” button to your blog. 
In addition, I can change a text every entry.

WP WebClap

this plugin can "web clap" button setup in blog.

royalnavneet

<ul>
<li>Website Comment Cleaner – Delete All Comments, Disable Comments, Bulk Delete & Remove Comments** helps you delete, export, import, and disable comments on your WordPress site using an admin dashboard with bulk actions and filters.</li>
</ul>
This plugin supports: 
* Deleting comments by status (approved, pending, spam, trash, or all). 
* Optional date-range filtering when bulk deleting. 
* Exporting comments to CSV and importing comments from CSV. 
* Disabling comments globally or by selected post types. 
* Role-based exclusions and scheduled spam cleanup.
<h3>Features</h3>
<ul>
<li>Export comments to CSV from the plugin dashboard.</li>
<li>Import comments from CSV.</li>
<li>Schedule automatic spam cleanup (daily, weekly, monthly).</li>
<li>Configure role-based exclusions and post-type comment settings.</li>
</ul>

Comment Cleaner — Bulk Delete & Disable Comments

Delete, export, import, and manage WordPress comments with bulk tools and comment-control settings.

WP WebClap vs Comment Cleaner — Bulk Delete & Disable Comments