jQuery PubSub

A fast extensible pubsub system using jQuery Callbacks

jquery.hub

A well-tested jQuery plugin implementing enterprise-level messaging patterns atop the OpenAjax [Unmanaged] Hub. Great for decoupling cross-component communication on the client-side.

Final Fire

Have you ever needed to execute some code after a number of asynchronous events or operations occur? Final Fire is a light-weight reusable plugin that helps you keep track of asynchronous events using a pub/sub methodology.

jQuery Publish/Subscribe

Another simple way to publish and subscribe.

jQuery-xPubSub

A very minimal client-side publish/subscribe system on top of jQuery.

Tiny Pub/Sub

A really, really, REALLY tiny pub/sub implementation for jQuery.