There are? Now that’s interesting, because I’ve spent the past 5 years developing open source Android apps and such projects. (And e.g. my app Quasseldroid is a

There are? Now that’s interesting, because I’ve spent the past 5 years developing open source Android apps and such projects. (And e.g. my app Quasseldroid is also on F-Droid) I’d be interested in what existing, working solution for a FCM replacement there is? Replacing the apps is simple, replacing the services is the hard part. If there is a working open FCM alternative, please link it, I’d immediately add support for it in my apps.