This example shows how to set notification for a specific date and time with WorkManager.
This is a tool app that solve too much notifications on android device.
MicroPinner is a lightweight dialog-only application, that turns your statusbar into a pingboard. (You can basically create your own notifications)
You can customize the notifications title and content, as well as its priority and visibility (Works on Android 5+ only).
A way to set heartbeat interval and the User receive PushNotifications from GCM.
An Android application to analyse your notification history. It shows the number of received notifications during the day and the distribution across each application. An overview per day, week or month is available.
This application is available in the Google Play Store.
AcDisplay is a new way of handling notifications in Android.
It will let you know about new notifications by showing a minimal, beautiful screen, allowing you to open them directly from the lock screen. And if you want to see what's going on, you can simply take your phone out of your pocket to view all the latest notifications, in a similarly pleasing and minimalistic manner.