- Android Jetpack Annotations (Utility) 
              library that contains the annotations for Android Jetpack.
 
            - Browser (Utility) 
              display webpages in the user's default browser.
 
            - Android Support Library collections (Utility) 
              standalone efficient collections.
 
            - Dynamicanimation (UI Component) 
              create smooth animations with a physics-based animation API.
 
            - Palette (Utility) 
              AndroidX library to extract representative color palettes from images.
 
            - Recyclerview (Utility) 
              display large sets of data in your UI while minimizing memory usage.
 
            - Swiperefreshlayout (UI Component) 
              implemtation of the swipe-to-refresh UI pattern.
 
            - Viewpager (UI Component) 
              AndroidX library to display Views or Fragments in a swipeable format.
 
            - AndroidX Widget ViewPager2 (UI Component) 
              replaces AndroidX ViewPager, addressing most of its predecessor’s pain-points, including right-to-left layout support, vertical orientation, modifiable Fragment collections, etc.
 
            - bottom-java (Development Aid) 
              a Gradle library for bottom, following the 
bottom spec.
 
            - Tink (Utility) 
              a multi-language, cross-platform library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
 
            - Google Gson (Utility) 
              A Java serialization/deserialization library to convert Java Objects into JSON and back.
 
            - Nachos for Android (UI Component) 
              a library that provides a custom TextView allowing users to enter text and create material chips in the text field.
 
            - OkHttp (Utility) 
              OkHttp is an HTTP+HTTP/2 client for Android and Java applications.
 
            - Otto (Utility) 
              an event bus designed to decouple different parts of your application while still allowing them to communicate efficiently.
 
            - twitter-text (Utility) 
               
            - Kotlin (Utility) 
              The Kotlin Programming Language
 
            - AppKit (Utility) 
              a boilerplate library/framework/whatever for building Android apps.
 
            - google-diff-match-patch (Utility) 
              Diff, Match and Patch library.
 
            - OkHttp okio Framework (Utility) 
              A modern I/O API for Java to make it much easier to access, store, and process your data.
 
            - jsoup (Utility) 
              a Java library for working with real-world HTML. It provides an API for extracting and manipulating data, using the best of DOM, CSS, and jquery-like methods.
 
            - Parceler (Utility) 
              serialize Java Objects between Contexts.
 
            - UnifiedPush android-connector (Utility) 
              a library that can be used by an end user application to receive notifications from any unified push provider.