jQuery-Accessible-RIA is a set of accessible, usable & easy to implement widgets that are strictly WAI WCAG 2.0 and WAI ARIA compliant.

The widgets provided are:

• lightbox
• live form validation
• tabs
• sortable tables

jQuery-Accessible-RIA is built using the jQuery UI & works out-of-the-box. Also, they can be highly customized.

For older screen readers, it includes a workaround & for anyone willing to dive into the code, it is fully-commented.

Google Web Elements is a fresh website where you can find all Google widgets in one place & easily add any of them to your websites.

The website simply offers a similar customization interface for each widget and generates the JavaScript code for embedding them.

It currently presents 8 widgets:

• Calendar (for sharing your Google Calendar with your readers)
• Conversation (a comment replacement where users can have a conversation)
• Custom Search (custom Google search engine)
• Maps (easier Google Maps integration)
• News (latest Google News articles)
• Presentations (for sharing Google Docs presentations)
• Spreadsheets (for sharing Google Docs spreadsheets)
• Youtube News (Youtube news videos from a selected list of publishers)

Control Suite is a set of 6 high quality widgets and controls built with the Prototype JavaScript framework.

Each script is well tested, highly extensible and unobstrusive.

Suite has these widgets and controls:

• Tab
• Modal
• TextArea
• Select Multiple
• Rating
• Progress Bar

Different approach to star rating:

Suite is very well documented. You can easily reach the details of the APIs and this makes the product much more usable.

Meteora is set of cross-browser widgets and controls for quickly creating rich and customizable web applications without programming excessive JavaScript that is painful to debug in every browser.

Meteora is based on the great mootools framework (version 1.11) and scripts that already work with mootools can be used with Meteora too!

To see some nice demos of this JavaScript widget library, check:

• Editor widget
• File browser widget
• Table sort widget