Jotform

Adding a web form to your blog post is now very easy using Jotform’s oEmbed plugin. When you install it, WordPress will be aware of Jotform form URLs, and easily embed them to your blog posts.
This plugin is great if you want to add a survey to your blog post. You can survey your readers and then write about the results in a future blog post.
Another common use of forms in blogs is to do giveaways. For example, you can tell your users you’ll be giving away something valuable to the first 10 people who fill out the form.
Jotform is an easy to use drag and drop form builder trusted by over 20 million users. Its intuitive user interface makes building a form a breeze. Jotform is FREE with up to 100 submissions per month. If your forms get submitted more than 100 times, other Jotform plans start from $34/month.

Jotform oEmbed

Add Jotform to the available oEmbed providers to let you easily embed Jotform forms by just entering the form URL

Feedback buttons are great to get feedback from your website visitors. Since it is easy to send a message to you without leaving the page they will improve the quality and the quantity of the feedback you receive from your visitors.
Feedback button plugin is powered by Jotform. Jotform is the first web based WYSIWYG form builder. Its intuitive drag and drop user interface makes form building a breeze. Using Jotform, you can create forms, integrate them to your site and receive responses by email.
Get feedback from your visitors using Jotform Feedback Button. If you are not aware of the problems on your website you can’t fix them. Feedback button is a great way to help you improve your website.
<h3>External Services</h3>
This plugin connects to external services to provide functionality and improve user experience. Below are the details of the external services used:
Jotform Feedback Button 
 – <a href="https://www.jotform.com/privacy/?utm_source=wordpress&utm_medium=plugin_directory&utm_campaign=feedback_button_plugin_content&utm_content=privacy" rel="nofollow ugc">Privacy Policy</a> 
 – <a href="https://www.jotform.com/terms/?utm_source=wordpress&utm_medium=plugin_directory&utm_campaign=feedback_button_plugin_content&utm_content=terms" rel="nofollow ugc">Terms of Use</a>
Service usage 
– The plugin makes external requests on the following domain to render feedback form functionalities: 
 https://www.jotform.com 
– The plugin uses the domain [https://www.jotform.com] as a service to deliver and render the feedback form.
Asset usage 
– The plugin makes external asset requests on the following domain to enable feedback button functionalities: 
 https://js.jotform.com 
– The plugin uses the domain [https://js.jotform.com] as a asset service to deliver and render the embedded feedback button.

Feedback Button – Jotform

Display a beautiful feedback button on the side of your blog. When a reader clicks on it a feedback form pops up. Completely customizable.

Jotform oEmbed vs Feedback Button – Jotform