Marcin

Wise Forms is a plugin for displaying and submitting forms in WordPress. The plugin is extremely configurable and easy installable. It has a growing list of features and constant support.
<h4>Demo:</h4>
<a href="http://kaine.pl/projects/wp-plugins/wise-forms/demos/" rel="nofollow ugc">Try DEMO here</a>
<h4>List of features:</h4>
<ul>
<li>Easy installation: The plugin can be installed using a convenient shortcode, widget or PHP function. Multiple forms can be embedded on the same page.</li>
<li>Mobile ready: Fully responsive design and mobile ready interface.</li>
<li>Drag and drop configuration: Configure fields and layout of forms using drag-and-drop technique.</li>
<li>Many input fields: Many ready-to-use fields to build your forms: text input, checkboxes, radio buttons, drop down lists, captcha, text area, etc.</li>
<li>Layout fields: Organize fields in columns.</li>
<li>Unlimited fields: Create both simple and complex forms without limits.</li>
<li>Unlimited forms: No limits to the number of forms.</li>
<li>Data validation: Ensure that only valid e-mails, numbers and dates are sent by your users.</li>
<li>Server-side validation: All data is validated on the server side.</li>
<li>SPAM protection: Protect forms by adding captcha field.</li>
<li>Localization: Translate all texts to your own language.</li>
<li>E-mail notifications: Send e-mail after every submission.</li>
<li>Easy cloning of the forms: Easily copy your forms to test other configurations.</li>
<li>Browsing results: Browse and search submitted forms.</li>
<li>Form wizard: Easy step-by-step wizard to create forms from templates.</li>
<li>Widget: Display your form anywhere using Wise Form widget.</li>
<li>Support: Ask a question or report a bug. We would be happy to help you!</li>
</ul>

Wise Forms

Forms plugin for WordPress. Drag and drop configuration, easy setup, unlimited fields, e-mail notifications, results browsing and more.

INN Labs

Pym.js Embeds provides shortcode and Gutenberg block wrappers for embedding responsive iframes using <a href="http://blog.apps.npr.org/pym.js/" rel="nofollow ugc">Pym.js</a>, developed by the NPR Visuals Team. Embedded content resizes vertically to match its container’s width.
AMP compatibility is provided by the <a href="https://wordpress.org/plugins/amp/" rel="ugc">official AMP plugin</a>.
<h3>Pym.js Resources from NPR</h3>
You may also want to look at NPR’s Pym.js resources:
<ul>
<li><a href="http://blog.apps.npr.org/pym.js/" rel="nofollow ugc">Pym.js homepage</a></li>
<li><a href="https://github.com/nprapps/pym.js/" rel="nofollow ugc">Pym.js repo on GutHub/nprapps</a></li>
</ul>

Pym.js Embeds

A WordPress block and shortcode for embedding iframes that are responsive horizontally and vertically, using the NPR Visuals Team's Pym.js.

Wise Forms vs Pym.js Embeds