51CTO: http://www.51cto.com/
Codeacademy: http://www.codecademy.com/
Coursera: http://www.coursera.org/
CSDN: http://www.csdn.net/
Freebuf: http://www.freebuf.com/
Google Code: https://code.google.com/
Imooc: http://www.imooc.com/
ITEYE: http://www.iteye.com/
Nodejs 中文: http://cnodejs.org
OSChina: https://www.oschina.net/
Ruby中文: http://ruby-china.org/topics
Segmentfault: https://segmentfault.com/
V2EX: https://www.v2ex.com/
伯乐在线(Jobbole): http://www.jobbole.com/
华为开发者社区: http://developer.huawei.com
博客园(CNBlogs): https://www.cnblogs.com/
微信开发者社区: https://developers.weixin.qq.com/
果壳任意门: http://gate.guokr.com/
百度开发者中心: http://developer.baidu.com/forum
知乎: https://www.zhihu.com/
网易云课堂: http://study.163.com/
网易公开课: http://open.163.com/
腾讯开发者社区: http://bbs.open.qq.com/forum.php
酷壳(Coolshell): http://coolshell.cn/
阿里云计算开发者论坛: https://bbs.aliyun.com/
其他(请说明)