Blogmarks : Public marks with tags library & mozilla

Mozilla Labs : TogetherJS

TogetherJS is a free, open source JavaScript library by Mozilla that adds collaboration features and tools to your website. By adding TogetherJS to your site, your users can help each other out on a website in real time!

collaborative library tools mozilla

Outstanding Elephant - jARIA

by greut

jARIA is a plugin for the jQuery javascript library that adds ARIA support to Web applications. It is based on a javascript library written for Mozilla by IBM.

it seems to be a good start

web javascript mozilla plugin library Aria

IE7 JavaScript library

by maxxyme & 19 others

JavaScript library making IE behave like a standards-compliant browser. Fixes many CSS issues and makes transparent PNG work correctly under IE5 and IE6. By Dean Edwards.

ie6 png ie7 javascript script library microsoft internet explorer css IE5 mozilla firefox