This software is designed to manage web push subscriptions.
Mainly for collecting a large database of push subscriptions.
The main server at node.js does all the main work, from collecting subscriptions to sending
mailings. The data is stored in the redis db.
Subscriptions can be grouped by their characteristics or, for example, by location.
There are mechanisms to retain the client through redirects to subdomains.

There is admin panel for direct control of the whole system.
Here you can create newsletters; monitor statistics; convenient to create
Links for their sites / landing pages with variables in the form of a get request; observe the operation of the node.js server.

To the existing functionality you can easily add your own improvements.
I myself will be happy to modify everything for you.
All installation information you will find in the archive.
I also offer my installation services.
All questions:

+79156271125
saddam.yakhyaev@gmail.com

The system is as direct as possible.
In development, I refused ready-made solutions, intermediate services.
This ensures proper operation at all intervals.