Material Components for Android is a static library that you can add to your Android application in order to use APIs that provide implementations of the Material Design specification. Compatible on devices running API 23 or later.

utilcodex

Android Navigation-UI

Dexter is an Android library to handle runtime permissions for Marshmallow easily

AppBase

GeneXus Android FlexibleClient component

The AndroidX Test Library provides an extensive framework for testing Android apps

Epoxy is a system for composing complex screens with a ReyclerView in Android.

Stripe Android SDK

Utilities

core-ui library from Surf Android Standard