
Plupload is an advanced file upload handler that allows you to upload files using HTML5 Gears, Silverlight, Flash, BrowserPlus or normal forms, providing some unique features like image resizing, displaying upload progress, drag and drop, multiple file uploads, chunked uploads unique filename generation, max-file-size limit and more. Plupload is an open source and powerful multiple files uploader for your Content Management Systems and can be used via the JavaScript API or the ready-to-go jQuery plugin. The developers can also write your own custom code for implementation. Plupload is developed by the team of TinyMCE. You can see the Plupload jQuery queue widget, all runtimes, and custom upload codes examples right here.

jQuery is one of the most popular JavaScript library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. Today the jQuery team have just released jQuery version 1.4 to developers to celebrate their 4th birthday. Web designers and developers can now download or learn more about jQuery 1.4. jQuery 1.4 is also available as part of Google Ajax APIs. jQuery 1.4 comes with tons of new features and functions:
- Performance Overhaul of Popular Methods – jQuery developers have rewritten code for most of the earlier functions to provide with significant performance gains;
- East Setter Functions – added new and easy setter functions for all the objects;
- Improvements in Ajax – introduces several significant updates to Ajax and JSON handling.
- http://jquery14.com/

Uki is a fast and simple JavaScript user interface toolkit for desktop-like web applications. It comes with a rich view-component library ranging from Slider to List and SplitPane. Google Wave layout can be coded in 100 lines of UKI code. UKI uses progressive rendering can render 30k+ lists and tables very quickly. Uki works cross-browser with IE6+, Opera 9+, Firefox 2+, Safari 3+ and Chrome.

MooShell is an web application that allows you to test your JavaScript, HTML and CSS in relevant fields and run to see the output. You can save your code for further usage and to share with others via a unique URL. It provides you with an update option to create a new version of your existing code. To choose the MooTools version, you can use the settings panel in the sidebar. MooShell can come handy for programmers and web developers to quickly and easily test and debug code snippets before actually implementing them. The web application is also light weight, free for use and does not require installation of any extra software.