Node's event emitter for all engines.
Node.js 'events' module with extra enhancements
A clean and opinionated event-handling library for the browser and Node.js.
A jquery like event emitter/dispatcher that could be mixed with other objects to provide emitting capabilities ala jQuery Style
Emit and subscribe to events.
Event concept in which the listener can cancel based on priority
Event dispatcher fit for most framework.
A simple and lightweight library to trigger events through the Angular apps