overhang.js is a jQuery plugin to display sleek, instant notifications, confirmations or prompts inside a given element.
Lobibox is a responsive jQuery messagebox and notification plugin.Both Messageboxes and Notifications has some useful option to customize.
Easy Z Modal is a simple, customizable and dynamic jQuery plugin to create modals and dialog boxes.
jQuery.modal is a jQuery plugin for simple modal boxes, alerts, prompts, confirms. It's responsive and many other options included.
jQuery Confirm is a multipurpose jQuery plugin for alert, confirm and dialog. It provides set of features like, Auto-close, Ajax-loading, background-dismiss, themes and more.
It automatically centers itself on the page and looks great no matter if you're using a desktop computer, mobile or tablet. It's highly customizeable.
Simply Toast is a simple toast messages for jQuery. All css styles were extracted from bootstrap, so if you already use bootstrap, you don't need include plugin css file.
Sticky Alert is a minimal jQuery plugin to add a sticky alert bar to the top of your website. It's available under the MIT license and is free for use on personal or even commercial projects.
Vex is a modern dialog library which is highly configurable, easily stylable, and gets out of the way. It's tiny, has a clear and simple API, works on mobile devices, and can be customized to match your style in seconds.