thebluecube

This plugin adds some additional features to the Gravity Forms plugin:
<ul>
<li>Input ID change (if the form has not received any entries yet)</li>
<li>Advanced input validations</li>
<li>Form access control</li>
<li>Advanced conditional logic shortcode to be used in email notifications</li>
</ul>
Documentation: https://thebluecube.com/wordpress-plugins/bluecube-mighty-gravity-forms/documentation/

Blue Cube Mighty Gravity Forms

This plugin adds some additional features to the Gravity Forms plugin:

Dnesscarkey

This plugin adds jquery form validation to your contact form 7. You will be able to validate extra validation rules like: url, date, credit card, phone number in the contact form 7 fields.
Benefits you get from this plugins.
<ul>
<li>Adds Jquery Validation to Contact Form Fields.</li>
<li>More faster validation than of contact form core validation.</li>
<li>Allows field to be validated for url, date, credit card, number and more.</li>
<li>Field Highlight features for invalid field data types.</li>
<li>Error message for individual fields.</li>
<li>Easy to to add validation rules. Just add class in contact form 7 fields.</li>
<li>Interactive validation that your users love.</li>
<li>Works with multiple forms now.</li>
</ul>
Validation Methods available in lite version.
<ul>
<li>Required</li>
<li>Email</li>
<li>Url</li>
<li>Date</li>
<li>Number</li>
<li>Digit only</li>
<li>Credit Card</li>
<li>US Phone number</li>
<li>Letters Only</li>
<li>IBAN (International Bank account number)</li>
</ul>
<a href="https://dnesscarkey.com/jquery-validation/lite-version-demo/" rel="nofollow ugc">LITE VERSION DEMO</a>
Documentation 
<a href="https://dnesscarkey.com/jquery-validation/how-to-use/" rel="nofollow ugc">How To Use</a> | <a href="https://dnesscarkey.com/jquery-validation/validation-methods/" rel="nofollow ugc">Validation Methods</a>
Additional Validation Methods available in PRO version.
<ul>
<li>Multiple Custom Code Validation with One time Code option.</li>
<li>Custom RegEx Validation – Define any validation rules you need.</li>
<li>Username validation check (Demo : <a href="https://bit.ly/2BueOn2" rel="nofollow ugc">https://bit.ly/2BueOn2</a>).</li>
<li>Email Code Verification (Demo : <a href="https://bit.ly/3gOJuiS" rel="nofollow ugc">https://bit.ly/3gOJuiS</a>).</li>
<li>Alpha Numeric – Letters, numbers, and underscores only</li>
<li>Bank or Giro account number.</li>
<li>BIC Code – Accepts Valid BIC Code Only.</li>
<li>Giro Account – Accepts Giro Account number only.</li>
<li>Integer – Accepts positive or negative non-decimal number.</li>
<li>IPv4 / IPv6 – Accepts IPv4/IPv6 IP address only.</li>
<li>Mobile UK – Accepts UK Mobile number only.</li>
<li>Phone UK – Accepts UK phone number only.</li>
<li>US State – Accpets US state only.</li>
<li>Minimum Number – Makes the element require a given minimum.</li>
<li>Maximum Number – Makes the element require a given maximum.</li>
<li>Minimum Length – Makes the element require a given minimum length.</li>
<li>Maximum Length – Makes the element require a given maximum length.</li>
<li>Range Length – Makes the element require a given value range.</li>
<li>Range – Makes the element require a given value range.</li>
<li>Equal To – Requires the element to be the same as another one</li>
<li>Extension – Makes the element require a certain file extension</li>
<li>Require Group – Ensures a given number of fields in a group are complete.</li>
</ul>
Additional Features in Pro version.
<ul>
<li>4 different <a href="https://dnesscarkey.com/jquery-validation/validation-error-theme/" rel="nofollow ugc">validation error theme</a> to choose from. </li>
<li>Change <a href="https://dnesscarkey.com/jquery-validation/change-error-message/" rel="nofollow ugc">validation error message</a>.</li>
</ul>
<a href="https://dnesscarkey.com/jquery-validation/pro-version-demo/" rel="nofollow ugc">PRO VERSION DEMO</a> | <a href="https://dnesscarkey.com/jquery-validation/buy-now/" rel="nofollow ugc">BUY PRO VERSION</a>
For Support Please Visit <a href="https://wordpress.org/support/plugin/jquery-validation-for-contact-form-7/" rel="ugc">https://wordpress.org/support/plugin/jquery-validation-for-contact-form-7/</a>.
Don’t forget to check the instructions in the setting page of the plugin.
jQuery Validation for Gravity Form available 
Need javascript based validation for Gravity Forms ? Check out our jQuery Validation For Gravity Form plugin <a href="https://dineshkarki.com.np/jquery-validation-for-gravity-forms" rel="nofollow ugc">here</a>.

Jquery Validation For Contact Form 7

New standard of advance validation for Contact Form 7.

Blue Cube Mighty Gravity Forms vs Jquery Validation For Contact Form 7