Notifications and tooltips are a way for your applications to provide you with new information, without you having to switch from the application you’re already in. Most of the notification & tooltip scripts are developed with Javascript, jQuery and MooTools.

Greepit previously shared number of awesome notification resources, few of them are:

• Inline Javascript Notification – Notifier
• Advanced Javascript Tooltip Notification – Pines Notify
• Lightweight jQuery ToolTip Plugin – Tip Tip

Notimoo is a small (4kb) notification and tooltip plugin developed with MooTools, inspired by Mac OS application Growl.

It is an easy to use and highly configurable notification plugin comes with predefined settings that will allow anybody to use it just with a couple of lines.

Style your markup right in your browser with an in-browser element selector and CSS editor, Brosho. Generate the CSS code of altered elements with one click and use it in your own stylesheet.

Stop switching between editor and the browser for changes, tweaks and enhancements, changes will occur immediately without reloading the page. Once you are done designing your mockup you can generate the CSS code, paste it to your stylesheet.

TranslateThis Button is a lightweight free Javascript translation widget. It translates any page quickly using Ajax and the Google Language API.

This widget is cross browser compatible and translates your website into 52 languages; just copy and paste the TranslateThis Button anywhere on your site.

TranslateThis Button is available as a free javascript translation widget and it also comes as a free translation plugin for Wordpress.

ContentFlow is a Coverflow like flexible, cross browser content slider written in Javascript, which can handle many content types. It comes with many content slider variations and can be customized to create your own by using Add-ons / Styles.

Features

• Easy to implement and to extend
• Auto-generated client side reflections
• Drag ‘n throw control
• Circular flow (wrap around)
• Loading progress indicator

Multiple instances of separately configurable ContentFlow can be used within one web-page. This handy Javascript Content Slider comes with Keyboard and Mouse navigation support.

PlotKit is a Chart and Graph Plotting Library for Javascript, aimed at web applications that require plotting series of data in modern web browsers.

It has support for HTML Canvas and SVG via Adobe SVG Viewer and native browser support. PlotKit is easily extensible to include other rendering engines, styles and layouts.

baseJS is a lightweight Javascript mobile framework intended for use with Mobile Safari on the iPhone and iPod Touch; it also works with Firefox and all WebKit-based browsers.

By providing shortcuts and reusable methods, baseJS helps you write code to be lightweight and expendable, perfect for the mobile web.

Features

• Falls back on Sizzle selector library for iPhone 1.x (if query selector support unavailable)
• Encourages use of CSS Transitions and Animations
• Object-oriented mobile javascript framework
• Easy to extend

baseJS is not useable with Internet Explorer.

datePicker is a clean, unobtrusive calendar component for jQuery which allows you to easily add date picker functionality to your web forms and pages.

Designed from the ground up to be flexible and extensible, the date picker can be used in unlimited ways to allow you to add calendar widgets to your pages.

Open Video Player (OVP) is an initiative encompassing the use of open standards, best practices, and established development methodologies in the development of media player applications.

The Open Video Player added support for HTML5 with their new member named: OVP for HTML5 <video>. This project provides a simple JavaScript library to accelerate the development of HTML5 <video> experiences.

Features

• Intelligent player technology selection
• Standardized user interface across player technologies
• Native mRSS Playlist support
• Create and modify themes for the controls using standard CSS & Javascript
• Uses industry standard jQuery

Greepit previously published a Free JavaScript based Content Slider, SlideDeck. This free content slider is now released as a free Wordpress plugin.

SlideDeck helps your to create a media and content rich slider on your WordPress powered blog or website without writing a single line of code! The SlideDeck wordpress plugin works within the easy-to-use WordPress interface and allows you to post a slider live in minutes. Insert your SlideDeck into your posts, on your pages and even in your theme!

TinyAlert is a lightweight (only 1.4k) alert system with Mootools and CSS3. Its easily customizable and bundled with few skins.

You can create your very own skins to match with your website or web application. You can also control the alert positions.