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.

optinlyhq

Gozen Forms simplifies the data collection process. Simply select a form template or create one from scratch, modify questions, and share
and analyse responses in no time.
If you don’t have a Gozen Forms account yet, <a href="https://dev.app.forms.gozen.io/register/?utm_source=++signup&utm_medium=+organic&utm_campaign=GoZen+signup&utm_id=Gozen+/?utm_source=++signup&utm_medium=+organic&utm_campaign=GoZen+signup&utm_id=Gozen+" rel="nofollow ugc">you can signup for a FREE trial here</a>.
This plugin allows you to integrate your WordPress site with your Gozen Forms account
What is included in the Gozen Forms WordPress plugin – at a glance Create Stunning Forms
Choose from over 140+ industry-specific forms, that cover essentially all use cases for every sector. So all you have to do now is choose your industry and what kind of forms you want, then modify the questions and publish with a few simple clicks.
Customize your forms very easily
You can choose from premade themes in the theme gallery, or you can create your own form designs by adding your theme, editing the font, changing the text colors, or adding background images. Once you’re happy with the designs, you can save your theme as new. You can upload your own image or use our Unsplash image library.
Share your forms easily
Share your forms across multiple platforms and collect data via unique links. Add forms to your website using various embedding options, or send forms via email.
Form builder
Our no-code form builder lets you create dynamic and interactive forms. Choose more than 20 different types of fields. You can check your responses. on the go. Customize the form view to your liking, from a single page to a multi-page.
Types Of Questions To Choose From
<ul>
<li>
Welcome Screen
</li>
<li>
Text
</li>
<li>
Paragraph
</li>
<li>
Email
</li>
<li>
Phone Number
</li>
<li>
Multiple Choice
</li>
<li>
Dropdown
</li>
<li>
Rating
</li>
<li>
Date
</li>
<li>
Number
</li>
<li>
Yes/No
</li>
<li>
WebSite
</li>
<li>
File Upload
</li>
<li>
Thankyou Screen
</li>
</ul>
Form Layout Type
<ul>
<li>
Single Pages
</li>
<li>
Slides
</li>
</ul>
Skip Logics
Speed up form filling process and land respondents to the right questions based on a user’s previous answers
Analyse Responses
Get all of the insights you need on a single dashboard, from form submission rate to total views to engagement rate. All of the information is available with a single click.
Connect with your favourite apps
Setting up the integration is simple. Simply search for your favorite applications, click the connect button, and follow the on-screen instructions. Once you’ve activated the link, you’re done
Available integrations
<ul>
<li>
Google sheet
</li>
<li>
Mailchimp Pabbly
</li>
<li>
ActiveCampaign
</li>
<li>
Integromat
</li>
<li>
Zapier
</li>
<li>
Custom
</li>
<li>
WebHook
</li>
<li>
Hubspot
</li>
<li>
Slack
</li>
<li>
Discord
</li>
<li>
Tray.io
</li>
<li>
Sendgrid
</li>
<li>
Mailer lite
</li>
<li>
Campaign Monitor
</li>
<li>
ConvertKit
</li>
<li>
Klaviyo
</li>
<li>
Constant Contact
</li>
<li>
SalesForce
</li>
<li>
Zoho
</li>
<li>
keap
</li>
<li>
Zendesk
</li>
<li>
mailerCloud
</li>
<li>
vbout
</li>
<li>
acumbamail
</li>
</ul>

GoZen Forms

Gozen Forms simplifies the data collection process. Simply select a form template or create one from scratch, modify questions, and share

Formstack Online Forms vs GoZen Forms