This plugin is generally for front-end post submission and providing admin notification.

narrativecode

HTML Forms & Contact Form for WordPress: Narrative Forms

The HTML form plugin for WordPress: build a contact form or custom form by pasting any HTML, even from AI. Fast AJAX, no drag and drop.

Sunil Kumar Sharma

It is very useful if you want that your website users can submit posts from the site without going to the WordPress back-end. 
For Front-end Access Of post form, we have a shortcode <code>[GUEST_POST_FORM role="author"]</code> 
In this shortcode, you need to pass a user role who can submit a post from the front-end. 
Another shortcode is <code>[GUEST_POST_LIST type="guest_post" number=10 status="publish"]</code>. 
This shortcode is used for list post with pagination.

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