pusheco

This plugin is a free web push notification service for WordPress websites. 
It allows you to easily add web push notifications to any website. 
Pushe.co console is only available for Farsi language (English version will come soon).
Web push notifications are notifications that can be sent to a user via desktop web and mobile web. 
Web push notifications are delivered on a user’s desktop or mobile screen anytime they have their browser open.
To use this plugin, you should have an account in <a href="https://pushe.co" rel="nofollow ugc">pushe.co</a>‘s console in <a href="https://console.pushe.co" rel="nofollow ugc">console.pushe.co</a>
For more information you can check the <a href="https://docs.pushe.co/docs/wordpress/intro" rel="nofollow ugc">documentation</a>

Pushe Web Push Notification

Pushe.co's official web push notification plugin. Pushe.co console is only available for Farsi language (English version will come soon).

Sjehutch

Browser Push Notifications By Passbeemedia – Send Push notifications to the browser We have built a one stop shop for sending push notifications to the browser .
Push Plugin Features:
<ul>
<li>Safari Web Push – Take advantage of web push (Desktop Push Notifications) on OS X Mavericks.</li>
<li>Detailed Analytics – Detailed Charts Built into your wordpress plugin</li>
<li>Send A Manual Post – Send Notifications to all your users manually </li>
<li>Schedule – Your Posts only get pushed when they are published </li>
</ul>
Its all FREE …

Passbeemedia Web Push Notification

Browser Push Notifications By Passbeemedia - Send Push notifications to the browser

Pushe Web Push Notification vs Passbeemedia Web Push Notification