Akshay Darekar

Aman Garg

<a href="https://salespanel.io/" rel="nofollow ugc">Salespanel</a>‘s plugin for WordPress allows you to set up Salespanel’s website SDK in no time. Start capturing and tracking your leads out of the box without modifying your theme.
Salespanel’s plugin for WordPress offers following configurations:
<ul>
<li>Enable automatic lead capture.</li>
<li>Enable lead capture on web form submit.</li>
<li>Disable lead web tracking (Salespanel tracks your visitors by default).</li>
</ul>
To get started, register on <a href="https://salespanel.io/" rel="nofollow ugc">Salespanel</a> and follow the <a href="https://wordpress.org/plugins/salespanel/#installation" rel="ugc">installation instructions</a>.

Salespanel

Add Salespanel tracking code and configuration options on you Wordpress website without writing any code.

mmattax

noahwesley

jeremyformstack

brianFormstack

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.
This plugin features two components:
<ul>
<li>Formstack Widget</li>
<li>Formstack Plugin</li>
</ul>
The Formstack widget 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.
The Formstack Plugin 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.
This plugin supports the following shortcodes <code>[Formstack]</code>, <code>[formstack]</code>, and <code>[fs]</code>.
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>

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.

Salespanel vs Formstack Online Forms