- RxBinding - RxJava binding APIs for Android's UI widgets
- RxLifecycle - Lifecycle handling APIs for Android apps using RxJava
- RxRecyclerView - Reactive RecyclerView Adapter
- SQLBrite - A lightweight wrapper around SQLiteOpenHelper
- StorIO - Beautiful API for SQLiteDatabase and ContentResolver
- ReactiveNetwork - Android library listening network connection state and change of the WiFi signal strength with RxJava Observables
- Retrofit - Type-safe REST client for Android and Java
- RxBonjour - Reactive network service discovery
- Wasp - Compact and easy to use, 'all-in-one' android network solution
- RxMocks - Mocks/Assertions for RxJava testing
- RxPresso - Easy Espresso UI testing for Android applications using RxJava
- Android-ReactiveLocation - Rx wrapper around Google Play Services API
- Rx Preferences - Reactive SharedPreferences for Android
- RxFileWatcher - Convenient file watcher with an RxJava interface, based on JDK WatchService
If you know a project that's not listed here, submit a pull request and help to expand the list