It is not a custom TabLayout or RecyclerView. It is just a helper library to attach to your RecyclerView with your TabLayout. If you don't want to go with sticky header RecyclerView or something like that, and also want to provide a good experience when your user is scrolling the content, this small library is for you.
A customizable progressbar component can be used in onboarding screens for Jetpack Compose.
An open source project to provide push notification support for Android - a XMPP based notification server and a client tool kit.