To #FDroid users, you might use #NTFY for having push notifications.

If you are rate-limited or want to test un another distributor, you can use #Sunup

It is an UnifiedPush distributor using Mozilla's push server. It is very easy to use.

f-droid.org/en/packages/org.un…

Source code: codeberg.org/Sunup/android

android

^Codeberg.org