mmattax

noahwesley

jeremyformstack

brianFormstack

<p>Formstack’s <a href="https://www.formstack.com/integrations/wordpress?utm_source=wordpress.com&utm_medium=referral&utm_campaign=integrations" rel="nofollow ugc">WordPress form plugin</a> makes it quick and easy to embed contact forms, lead generation forms, payment forms, and more on your WordPress blogs and websites. Build customized online forms in seconds with our <a href="https://www.formstack.com/features/drag-and-drop?utm_source=wordpress.com&utm_medium=referral&utm_campaign=integrations" rel="nofollow ugc">drag-and-drop interface</a>, and integrate with <a href="https://www.formstack.com/integrations?utm_source=wordpress.com&utm_medium=referral&utm_campaign=integrations" rel="nofollow ugc">40+ third-party apps</a>, including Salesforce, MailChimp, and PayPal.</p>
<p>This plugin features two components:</p>
<ul>
<li>Formstack Widget</li>
<li>Formstack Plugin</li>
</ul>
<p>The <strong>Formstack widget</strong> allows you to embed Formstack web forms into your sidebar. The widget automatically optimizes the web form’s CSS to make your online forms fit and look great on your WordPress pages.</p>
<p>The <strong>Formstack Plugin</strong> adds a button to the TinyMCE editor that allows you to easily select the Formstack web form you wish to embed. Once a form is selected, a shortcode will be inserted into the editor, which will be converted to the selected form once your page or blog post is rendered.</p>
<p>This plugin supports the following shortcodes <code>[Formstack]</code>, <code>[formstack]</code>, and <code>[fs]</code>.</p>
<p>A Formstack account and API key are required. <a href="https://www.formstack.com/pricing?source=wp-plugin_utm_medium=pluginlisting" title="Free Online Forms" rel="nofollow ugc">Signup for free today!</a></p>


Formstack Online Forms

I'm not sure wrapping if this is just this version or all versions, but wrapping your site in an iframe doesn't constitute as a functioning plugin. 
Doesn't work on WP 4.5 as far as i'm concerned.



This doesn't work at all

This plugin allows you to easily embed Web forms built with Formstack's online form builder into your sidebar, pages, and posts.

Formsite

<p>Embed a Formsite form in your WordPress content using the provided shortcode from your Formsite account.</p>
<p>Formsite is a service that enables non-technical users to build professional, powerful and responsive web forms and surveys.</p>
<p><strong>Example:</strong><br />
    [formsite host=”fsX” key=”4z7b-6gG5F3sgR0JyE” width=”100%”]</p>
<h4>Create professional quality contact forms, lead forms, surveys, order forms and registration forms</h4>
<ul>
<li>Choose from over 100 customizable templates and 40 question types</li>
<li>Build multiple page forms with logic to show/hide questions and skip pages</li>
<li>Style forms to match your website design</li>
<li>Embed forms in any page</li>
<li>Calculate values and scores using form fields</li>
</ul>
<h4>Get responses</h4>
<ul>
<li>Collect sensitive data with secure forms</li>
<li>Allow partial responses using Save & Return</li>
<li>Collect file uploads</li>
<li>Link related forms with workflow logic</li>
</ul>
<h4>Collect payments</h4>
<ul>
<li>Order forms made easy for products and services</li>
<li>Process payments with payment services such as PayPal, Braintree, Authorize.net, Stripe or Pay by Check</li>
</ul>
<h4>Integrate with third party services</h4>
<ul>
<li>Integrate with third party services such as Box, Dropbox, Google Drive, Google Sheets, MailChimp, Microsoft OneDrive, Salesforce and Zapier and use them to improve your workflow</li>
</ul>
<p>A Formsite account is required. <a href="https://www.formsite.com/?LinkSource=wordpressorg" title="Sign up free" rel="nofollow ugc">Signup for free</a></p>


Formsite | Embed online forms to collect orders, registrations, leads, and surveys

Really easy to include via shortcode and customize the forms as we need. Also like the fact that there are several API integration options which means less coding.

Formsite is Solid

Embed online forms and surveys from Formsite into pages, posts, and sidebars with an easy shortcode.

Formstack Online Forms vs Formsite | Embed online forms to collect orders, registrations, leads, and surveys