各种开发工具/学习资料传送门：↓↓↓
Apache Ant
YUI Compressor
Closure Compiler
Smasher
Multipart XHR
Sass(CSS Tool)
Bootstrap
----
The WebKit Open Source Project
Mozilla Firefox Source Archives
Firebug Source Code
V8 JavaScript Engine
----
W3school
W3Help
IBM DevelpoerWorks
MSDN
MDN
----
ECMA
Document Object Model (DOM)
----
Rico
Prototype
Script.aculo.us
Scriptaculous.seasidehosting.st
Madrobby.github.com
Dojo
Tangram(Baidu)
UEditor(Baidu)
CKEditor
CKFinder
jQuery
jQuery MiniUI
YUI
Sencha(EXTJs)
MochiKit
MooTools
SeaJs
Backbone
Node.js
CNode社区
----各种图表展示的开源工具：
amCharts
Highcharts!!!
Open Flash Chart
Fusioncharts