Google core libraries for Java

LifecycleEvents library is an event bus implementation

An Android event bus for WebView and JS

Android Express Events Library

Android library listening network connection state and change of the WiFi signal

Simple, lightweight and fast event bus tailored for Android

Simplifies communication between Activities, Fragments, Threads, Services, etc

An enhanced Guava-based event bus with emphasis on Android support

EventBus is a publish/subscribe event bus for Android and Java