Java：
http://docs.oracle.com/javase/
http://docs.oracle.com/javase/7/docs/index.html
https://tomcat.apache.org/tomcat-7.0-doc/index.html
http://docs.oracle.com/javaee/
http://docs.oracle.com/javaee/6/api/
OpenJDK官网：http://openjdk.java.net/
代码库：http://hg.openjdk.java.net/
JDK7 update的代码仓库森林（repo forest）,下面有hotspot、jdk等目录：
http://hg.openjdk.java.net/jdk7u/jdk7u
Hotspot:
http://hg.openjdk.java.net/jdk7u/jdk7u/hotspot
JDK:
http://hg.openjdk.java.net/jdk7u/jdk7u/jdk
API:平台无关的Java代码实现
http://hg.openjdk.java.net/jdk7u/jdk7u/jdk/file/tip/src/share/classes/
OpenJDK在线源码：
http://www.docjar.com/projects/openjdk-7-code.html
阅读openjdk源代码:http://hllvm.group.iteye.com/group/topic/35385
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Oracle：
http://www.oracle.com/pls/db112/homepage
http://www.oracle.com/pls/db102/homepage
http://asktom.oracle.com
http://tahiti.oracle.com/
http://docs.oracle.com/
http://www.ixora.com.au/
http://www.dba-oracle.com/
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Javascript：
https://developer.mozilla.org/en-US/
https://developer.mozilla.org/zh-CN/
http://www.w3schools.com/
http://www.w3school.com.cn/
http://www.w3help.org/zh-cn/standards/
http://www.chinaw3c.org/
http://www.w3.org/
http://www.ecma-international.org/default.htm
JS牛人们：
JS之父：http://brendaneich.com/
JS大宗师（Yoda）：http://crockford.com/
JQuery之父：http://ejohn.org/
http://dean.edwards.name/
http://www.paulirish.com/
http://alexsexton.com/
http://remysharp.com/
http://mir.aculo.us/
http://www.nczonline.net/
http://www.phpied.com/
JavaScript 标准教程(阮一峰)http://javascript.ruanyifeng.com/
http://www.cnblogs.com/TomXu/archive/2011/12/15/2288411.html
http://dmitrysoshnikov.com/
http://wenku.baidu.com/view/ffe75b661ed9ad51f01df2d7.html
http://dmitrysoshnikov.com/
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RFC：
http://www.ietf.org/
http://www.rfc-editor.org/
http://www.rfc-editor.org/rfcxx00.html
http://www.ietf.org/rfc/rfc-index
http://www.rfc-editor.org/rfc/
http://www.ietf.org/rfc/
http://datatracker.ietf.org/
http://www.cnpaf.net/class/rfcall/
http://www.cnpaf.net/class/rfc/
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Python：
http://www.python.org/ftp/python/
==================================================================================
Perl：
http://www.perl.org/
http://perldoc.perl.org/
http://www.perl6.org/
