When you are working on a website or an application, it is important to let your users know when you are processing something behind the scenes.

jQuery Waiting is a jQuery plugin which offers animated loading spinners and bars to tell your users to have patience and wait. It generates spinners and loaders, without images and canvas.

It uses standard, widely accepted CSS to style your waiting spinner, and a little jQuery to make it function.

cgSceneGraph is a powerful, cross-platform and very easy-to-use HTML5 animation framework written in JavaScript for the canvas tag in HTML5.

It’s object oriented and help development of your applications and games.

Nested is a free jQuery Plugin for a creating gap free, multi column grid layout.

Unlike other libraries and jQuery plugins similar to Nested, the later allows you gap-free layouts, which save you some more space on your page.

Lazy Line Painter is a free jQuery plugin for path animation using the Raphaël Library.

Implementing this plugin is broken into two parts: Preparing your web-friendly data & Configuring lazy-line-painter.js

To make this SVG path animation library work, you need to follow certain steps to prepare your SVG data. It offers number of useful attributes for configuring lazy-line-painter.

Opentip is an open source javascript tooltip framework. It comes as a framework independent tooltip and framework dependent as well. You can choose any adapter you want so you can work with the framework of your choice.

Supported frameworks are:

• Native. You can use this one if you don’t use any framework.
• Ender
• Component
• jQuery
• Prototype

There are great styles built right into opentip and it’s easy to create your own. Opentip can automatically download their contents via AJAX. It’s extremely easy to configure them to do

Dynamo is a simple way to add a new dimension to your site content. It generates dynamic bits of HTML and add subtle effects to your content.

Dynamo.js takes any portion of text and allows you to cycle through different content. Use it to add subtle effects to your webpage, to draw attention to portions of your webpage.

Squash is an open source exception reporting and bug analysis tool. It is a collection of client libraries that records exceptions in your code, and gives you the tools you need to analyze and fix the bugs that caused those exceptions. The main emphasis is finding someone who can take responsibility for the bug and notifying that user, keeping the signal-to-noise ratio very high.

For more difficult bugs, Squash has a suite of collaboration tools, like commenting, assigning, and resolving bugs. There are lots of other features: Squash can symbolicate iOS stack traces, de-obfuscate Java traces, and source-map JavaScript call stacks.

glDatePicker is an ultra-simple, easily customizable, light-weight (just over 7KB compressed or 25KB ncompressed) date picker jQuery plugin.

• Stylize current date, selected date, special dates and individual days of the week
• Set data on special dates (that is returned on callback when selected)
• Automatically jump to respective month on selection
• Offset days of the week (e.g. make Wednesday the first day of the week)
• Individual styles per date picker on the same page

ayaSlider is a flexible jQuery slider plugin to create animated slides with a lot of available effects.

• It allows to Embed Any HTML Element
• Animate any/every element
• Customize the way you like, no predefined style sheet
• Multiple slides and multiple animations with easing

ayaSlider can be customized easily with CSS and the options provided.

Pickadate.js is a jQuery date picker with multi-language support. It’s responsive and lightweight date picker with browser support for IE7+, Chrome, Firefox, Safari, Opera, iOS Safari and Android browser.