incredibledeveloperr

The plugin primarily allows a WordPress developer to extend its settings and functionality and integrate it into any type of site. For example, it can easily be extended to send a text message on virtually any WordPress action.
The plugin also includes functionality to directly send a text message to any permissible number from the plugin settings page. You can use it to SMS any of your users or just for testing purposes
Here’s a list of feature plugin provides :
<ul>
<li>Functionality to directly send a text message to any permissible number from frontend</li>
<li>Setting page which allow admin to manage Auth Token and some basic settings</li>
<li>Text message generalized which pre set by admin</li>
<li>Send a shorten URL like send promotion link</li>
</ul>
Shortcode : 
Paste shortcode where you want to display – [msg91_add_shortcodes]
Disclaimer: This plugin is not affiliated with or supported by MSG91, Inc. All logos and trademarks are the property of their respective owners.

msg91 by vasim shaikh

If you’ve ever wanted to add text messaging functionality to your website or app, Twilio is one of the best solutions on the market.

Tushar Sharma

Email OTP Login adds an additional layer of security to your WordPress site by requiring users to verify an OTP sent to their email after entering their username and password. This ensures that only users with access to the registered email can log in.
Features:
<ul>
<li>Email OTP verification during login.</li>
<li>OTP expires in 5 minutes (configurable).</li>
<li>OTP stored securely using WordPress password hashing.</li>
<li>Works with the default WordPress login form.</li>
<li>Uses WordPress built-in <code>wp_mail()</code> function (works with SMTP plugins).</li>
</ul>
This plugin does not modify WordPress core files.
<h3>License</h3>
This plugin is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2 or later.
This plugin is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Email OTP Login

Adds OTP (One-Time Password) verification after login for enhanced security in WordPress. OTP is sent to the user's email.

msg91 by vasim shaikh vs Email OTP Login