Notyf is a dead simple, responsive, vanilla javascript plugin to show notification.
Notyf is under MIT licence.
Bootstrap Notify is a simple plugin that turns standard Bootstrap alerts into "Growl-like" notifications.
in-view.js is a javascript utility to get notified when a DOM element enters or exits the viewport. It's a lightweight and dependency-free.
Notificationjq.js is a jQuery plugin made using css 3 and javascript to create windows 8 style notifications. It can be used to create important notifications in a website. It is a fully customizable plugin which works with all modern browsers
notifyMe is a simple plugin created for fun and learning for fixed notifications in pages. He works when a button is clicked, errors, validations, info and everything you want.
Notify Better is a jQuery plugin that let you change your favicon, browser's title and more to reflect new notifications.