PluginsPoint

This is an extremely very simple contact form with AJAX which you can use whether in posts or in pages very easily. Using this, site’s admin will get the email. You just need to put the shortcode [kento_contact_form] in any page/post. Email will be sent to admin without page refresh.
Live Preview: http://pluginspoint.com/
<h4>Features</h4>
<ul>
<li>Contact form with ajax.</li>
<li>Shortcode System.</li>
<li>Easy to use and update</li>
</ul>

Kento Ajax Contact Form

susheelhbti

Have you seen the lead generation form on the company like zerodha, Kotek Mahidra bank, JIO fibre. I setup this plugin in tradition contact form.
They focus on verify the data using email and sms so that they avoid garabase data. And also make simple form .
Checkout these links
https://zerodha.com/open-account 
https://www.kotak.com/811-savingsaccount-ZeroBalanceAccount/811/ahome2.action
They first ask mobile number, email id and then send OTP on these and verify and then only they ask other details if user failed to verify then they ignore.
Using wordpress ajax in whole process the page don’t get reload.

Saksh Callback Request Form

Inspired by zerodha, Kotek Mahidra bank, JIO fibre lead generation form I setup this form it first ask users email ID and mobile number and then send  …

Kento Ajax Contact Form vs Saksh Callback Request Form