Jquery CSS3 Animated Notification Messages
JQuery Simple Notification
SnackbarJS : jQuery plugin
Animated Alert with jQuery & CSS3
Toastr8 jQuery ModerUI Notifications
Growl jQuery Informative
blinkTitle.js JavaScript TitleBar

Is a Pure Javascript Implementation of TitleBar Alert or Notification.It Can Perform Blinking of Html Titlebar.
OhSnap jQuery Notification
notifyME jQuery Personal Notification

notifyMe is a simple plugin that i created for fun and learning for fixed notifications in pages.
He works when a button is clicked, errors.
Facebook Style Notification Popup

Are you looking for Facebook UI features, this post will explain you how to create a Facebook style notifications popup using Jquery, HTML and CSS.
jBox jQuery Plugin for Modal Windows
Notification bubble with CSS3

I had to emphasize somehow a dynamic notification bubble. Basically, every time the notification value changes.
Anno js jQuery Interactive step by step
Jquery smart Smart Form
iosOverlay js Beautiful Overlays
Play Notification Sound using jQuery

I received lots tutorial requests from my readers that asked to me, how to play a notification sound on website chat.
jQuery Crystal Notifications

Two main functions, Small Notifications that works like banners and a Notification Center that can be use as website control.
Smart Notification jQuery Plugin

Smart Notification is a jQuery plugin. With the ability to add video. It is an advanced pop-up notifications.
jQuery Speedo Popup
toastr Simple jQuery toast notifications
jQuery Super Notice Generator

a jQuery plugin that allows you to create easily nice and animated notices.Notices can be full customized.