Uniqush is free and open source software which provides a unified push service for server-side notification to apps on mobile devices. By running uniqush-push on your own server, you can send push notifications to any supported platform through one API. This story helps explain the basic idea.
The latest news about Uniqush is posted to our blog.
The latest release is 2.8.0, which fixes APNs and FCM for both services' shut-down APIs and adds UnifiedPush/Web Push support — see the upgrade notes.
gcm is kept as an alias)The source is on GitHub. See Install for how to build and run it, and Downloads for released versions.
Questions, bug reports and suggestions are all welcome on GitHub Issues.