CleverPush

Installing the CleverPush plugin will automatically insert the CleverPush code into your WordPress site. It will also give you the possibility to create a notification when publishing a new post.
What is CleverPush? 
CleverPush lets you send browser push notifications to your users in the simplest way possible.
AMP Support: 
If you are using the classic / reader mode with a custom theme, please make sure your theme supports the following AMP hooks: 
* amp_post_template_body_open 
* amp_post_template_footer 
* amp_post_template_css
<h3>Configuration</h3>
Enter your CleverPush API keys in the given fields. You can find your API keys in the CleverPush backoffice under Settings > API.

CleverPush lets you send browser push notifications to your users in the simplest way possible.

pushworld

Push notifications plugin for WordPress by <a href="https://push.world?utm_source=wordpress.org&utm_campaign=main-plugin" rel="nofollow ugc">PushWorld</a>. It gives you an ability to collect subscribers and push notifications through Push World. It also have Woocommerce integration and can return users to abandoned cart and send push about orders status.
Features:
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Supports Chrome, Firefox and Yandex Browser on both HTTP and HTTPS sites for Desctop and Android.
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RSS to push – Send notifications to followers automatically.
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Real Time Analytics – See real time statistic for subscription process and for push notifications delivery, clicks and conversion.
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Reach Push – Push with 2 action buttons and big picture.
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Native Widget on http websites – Native widget for http increase subscription conversion.
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Scheduled Notifications – Сreate scheduled notifications to deliver push messages in the future.
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<li>Abandoned Cart Notifiaction – Send personal push message about abandoned cart</li>
<li>Order Status Notification – Send personal push notification about order status</li>
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Push World

This plugin help send personal and mass push notifications. It also can return customers to abandoned WooCommerce cart through push notifications.

CleverPush vs Push World