KonstruktStudio

A better WordPress contact form builder. 
ChiliForms is here to make your life a bit easier. With ChiliForms creating simple contact form sometimes takes less than a minute of your time! Just create new form, drop required fields, paste it to your page and you’re all set. 
You can see <a href="https://www.chiliforms.com/demos" title="ChiliForms contact form demos" rel="nofollow ugc">demos</a> of what it currently can do.
Main features:
<ul>
<li>Clean and fast drag n drop user interface build with ReactJS</li>
<li>Live preview in form editor</li>
<li>Mark any number of fields as required</li>
<li>All the necessary fields (Single line, Multiline, Dropdown, Radio, Checkboxes, Email, Url) are available</li>
<li>add reCAPTCHA to block bots</li>
<li>Custom field width</li>
<li>You can deactivate the form for some time, user see a message</li>
<li>AJAX form submit (user receives animated message, no page reload)</li>
<li>Client-side fields validation for better user experience</li>
<li>Server side validation will work as well, for better security</li>
<li>Admin email notification on new submisions with form contents</li>
<li>Custom colors for forms</li>
<li>You can mark important submission entries as starred</li>
<li>You can use filters, to see only starred entries or only unread items</li>
<li>Styled theme and HTML-only version</li>
<li>Fixed width or percent of parent container</li>
<li>Dedicated preview page on theme page</li>
<li>Use shortcode to insert form on page</li>
</ul>
ChiliForms was tested and optimized for compatibility with following themes:
Free:
<ul>
<li>Twenty Sixteen</li>
<li>Twenty Fifteen</li>
<li>Twenty Twelve</li>
<li>Twenty Thirteen</li>
<li>Sydney</li>
<li>Spacious</li>
<li>ColorMag</li>
<li>Customizr</li>
<li>Hueman</li>
<li>Fictive</li>
<li>Poseidon</li>
<li>MH Magazine Lite</li>
<li>ResponsiveBoat</li>
<li>Oblique</li>
<li>Sela</li>
<li>Amadeus</li>
<li>Hitchcock</li>
<li>Lovecraft</li>
</ul>
Premium:
<ul>
<li>Avada</li>
<li>Salient</li>
</ul>

ChiliForms

Easy to use drag-n-drop contact form builder plugin for your blog or website.

ChiliForms vs Ultra Addons for Contact Form 7