GitHub - greenrobot/EventBus: Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.
GreenRobot-Eventbus
EventBus 3 released, now based on @Annotations - Open Source by greenrobot
EventBus 3.3 (finally) supports AndroidX without Jetifier : r/androiddev
greenrobot Open Source Libraries - Open Source by greenrobot