mdoff

It’s not a standalone plugin requires installed Contact Form 7
This plugin solves problem of e.g. email verification or email confirmation.
Just create second field with <code>_confirm</code> at the end of the field name. Look in the screenshots for example.

cf7 Confirm Field

Plugin allows to make sure that e.g. emails in two fields are the same

codeworkweb

Sticky Floating Forms WordPress plugin allows you to add CTA buttons on your website and when the user clicks on that buttons it will display contact forms. This is useful to catch the attention of your site visitor and never miss any messages or contacts from your website. This plugin is an addon for the contact form 7 plugin but also works with all major popular form plugins.
<h4>Feedback</h4>
If you like this plugin, then please leave us a good rating and review.
<h3>Plugin Demo:</h3>
<ul>
<li><a href="https://demo.codeworkweb.com/sticky-floating-forms/" rel="nofollow ugc">Sticky Floating Forms Demo</a></li>
</ul>
<h3>Features of Free version</h3>
<ul>
<li>Add sticky button for contact form 7</li>
<li>Change position for the contact button</li>
<li>Unlimited color option for contact button</li>
<li>Easily import & export settings</li>
<li>Easy install and use</li>
<li>Works perfectly with all versions of WordPress</li>
<li>Fully Responsive</li>
<li>Lifetime free update & support</li>
</ul>
<h3>Upgrade to premium version to add premium features.</h3>
<a href="https://codeworkweb.com/wordpress-plugins/sticky-floating-forms/" rel="nofollow ugc">Sticky Floating Forms Pro</a>
<h3>Features of Premium version</h3>
<ul>
<li>Add sticky button for contact form 7</li>
<li>Change position for the contact button</li>
<li>Design forms with easy to use options</li>
<li>Display on any pages, posts with display rule on the plugin</li>
<li>Choose any fonts, colors with deep integration of typography options</li>
<li>Add animated button with icon</li>
<li>Add form header</li>
<li>Easily import & export settings</li>
<li>Easy install and use</li>
<li>Works perfectly with all versions of WordPress</li>
<li>Fully Responsive</li>
<li>Lifetime free update & support</li>
</ul>

Sticky Floating Forms Lite

Sticky Floating Forms WordPress plugin allows you to add CTA buttons on your website and when the user clicks on that buttons it will display contact  …

cf7 Confirm Field vs Sticky Floating Forms Lite