Dale Nguyen

The Firebase for WordPress Plugin will help a Firebase user to login to your WordPress interface – not to WordPress dashboard – from Firebase authentication. You can show user info and display data that is only available to your Firebase users.
If you want a secured implementation, with much more features, check the <a href="https://firebase.dalenguyen.me/" rel="nofollow ugc">Interate Firebase PRO</a> version.
<h4>Links</h4>
<ul>
<li><a href="https://github.com/dalenguyen/firebase-wordpress-plugin" rel="nofollow ugc">Github project page</a></li>
<li><a href="https://github.com/dalenguyen/firebase-wordpress-plugin/blob/master/CHANGELOG.md" rel="nofollow ugc">View CHANGELOG</a></li>
</ul>

Integrate Firebase

Fast integration between WP and FB to share users tables.
As long as I register to WP, the new user is created in both systems, WP and FB.

Dale gave me full support to configure the plugin, so you can trust that if you have any problem the developer is there to help you to fix it.

Easy to use and amazing support

Integrate Firebase is a plugin that helps to integrate Firebase features to WordPress

Paulo Miranda

Notifications for posts, pages and custom post types.
Works with scheduled posts.
Send notifications to users of your app from your website using Google’s service, Firebase Push Notification.
The notification sent includes the block with the data message to be handled by the application, even when it is in the background.
Configure the plugin to start sending notifications.
Send custom field values ​​in the notification, in the data option.
Send a notification when you post news or update your content. When editing, the option is deselected to send you to accidentally send a new notification. Check if you want to send a new notification when editing.
Compatible with apps developed with the SDK Flutter.
You need to register users on the same topic (fcm) that was informed in the plugin configuration. This plugin is not intended for sending notifications to websites.
Support my work 
<a href="https://www.buymeacoffee.com/dprogrammer" rel="nofollow ugc">https://www.buymeacoffee.com/dprogrammer</a>

FCM Push Notification from WP

Notify your users using Firebase Cloud Messaging (FCM) when content is published or updated.

Integrate Firebase vs FCM Push Notification from WP